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Questions and Answers

What does the triple play service provide to the customer?

  • Only data
  • Data and voice only
  • Data, voice, and video (correct)
  • Voice and video only

    • What is multiplay an extension of?

  • Triple-play technology (correct)
  • Single-play technology
  • Dual-play technology
  • Quad-play technology

    • What is the primary goal of multiplay?

  • To reduce the quality of services
  • To provide multiple applications on the same medium (correct)
  • To reduce internet speed
  • To increase the cost of services

    • What is the function of the Set Top Box in multiplay?

    <p>To carry multiple applications of voice, data, and video</p> Signup and view all the answers

    What is not included in the triple play service?

    <p>PSTN</p> Signup and view all the answers

    What is the term for live broadcast and stored broadcasting using video streaming protocols?

    <p>VoD</p> Signup and view all the answers

    What is the primary purpose of broadband?

    <p>To provide data services</p> Signup and view all the answers

    What is the term for running multiple applications on the same medium?

    <p>Multiplay</p> Signup and view all the answers

    What is the term used to refer to VoIP besides Internet telephony?

    <p>IP Telephony</p> Signup and view all the answers

    What type of information is sent through VoIP?

    <p>Digital voice information in packets</p> Signup and view all the answers

    Which device removes the VLAN tag and maps the traffic to the corresponding context?

    <p>BNG</p> Signup and view all the answers

    What is the purpose of the Media Gateway?

    <p>To forward voice traffic to the L3PE</p> Signup and view all the answers

    What type of traffic is sent from the CPE to the RPR/OCLAN Switch?

    <p>Data, Voice, and Video Traffic</p> Signup and view all the answers

    What is the role of the L3PE in the network?

    <p>To forward voice traffic to the Media Gateway</p> Signup and view all the answers

    What type of tag is added to the traffic sent from the CPE?

    <p>VLAN tag</p> Signup and view all the answers

    What is the term used to describe the network component that forwards voice traffic?

    <p>Media Gateway</p> Signup and view all the answers

    What is the function of the Set-Top Box (STB) in IPTV systems?

    <p>To reassemble packets into a video stream and decode the contents</p> Signup and view all the answers

    Which company is developing solutions to support the Internet Protocol TV (IPTV) market?

    <p>Microsoft</p> Signup and view all the answers

    What is the primary function of the core network in IPTV systems?

    <p>To handle all sorts of other traffic (data, voice, etc.)</p> Signup and view all the answers

    What is the technology used to transmit voice conversations over a data network?

    <p>VOIP</p> Signup and view all the answers

    What is expected to happen to IPTV in the future?

    <p>It will evolve into a completely interactive experience</p> Signup and view all the answers

    What is bundled with Internet services for residential users?

    <p>Video On Demand and Internet services</p> Signup and view all the answers

    What happens to the video stream in IPTV systems?

    <p>It is broken up into IP packets and dumped into the core network</p> Signup and view all the answers

    What is the role of the Set-Top Box (STB) in relation to the home DSL line?

    <p>It connects to the home DSL line</p> Signup and view all the answers

    What is the primary function of DSLAM in the VoIP service?

    <p>To forward traffic in VLAN with proper QoS mapping</p> Signup and view all the answers

    What is the benefit of VoIP in terms of cost reduction?

    <p>Toll by-pass and WAN cost reduction</p> Signup and view all the answers

    What is the ITU-T standard for VoIP protocols?

    <p>H.323</p> Signup and view all the answers

    What is the function of MGCP in VoIP protocols?

    <p>Media gateway controller to control media gateway</p> Signup and view all the answers

    What is the primary benefit of VoIP in terms of operational improvement?

    <p>Common network infrastructure and simplification of routing administration</p> Signup and view all the answers

    What is the IETF standard for VoIP protocols?

    <p>SIP</p> Signup and view all the answers

    What is the name of the protocol that supports terminals communicating over packet-based networks?

    <p>H.323</p> Signup and view all the answers

    What is the function of RPR-T2 in the VoIP service?

    <p>To connect the customer premises to the network</p> Signup and view all the answers

    What is the operating mode requirement for IPSec implementation in Windows 2000?

    <p>Native Mode</p> Signup and view all the answers

    What tunneling protocol does MS VPN utilize with DUN 1.3 or 1.4?

    <p>PPTP</p> Signup and view all the answers

    What is essential for ensuring the security of the system?

    <p>Communication with IT security or periodic vendor website review</p> Signup and view all the answers

    What is an alternative to a router with IOS Firewall software?

    <p>Proxy server software</p> Signup and view all the answers

    What should be added to the user's PC for security?

    <p>A personal firewall and encryption solution</p> Signup and view all the answers

    What is a solution for hiding additional devices behind 1 IP address in a small office or networked home office?

    <p>Mini-NATting solution</p> Signup and view all the answers

    What should be turned off for security purposes?

    <p>File and Print Sharing</p> Signup and view all the answers

    What is the characteristic of the Broadband Multiplay network?

    <p>Provides voice, data, and video services</p> Signup and view all the answers

    What is the main purpose of the broadband multiplay network?

    <p>To provide a single platform for voice, data, and video services</p> Signup and view all the answers

    What is included in the triple play service?

    <p>Data, voice, and video services</p> Signup and view all the answers

    What is the primary advantage of multiplay technology?

    <p>It provides a single platform for various services</p> Signup and view all the answers

    What is the primary function of the Core Router in the Broadband Multiplay network?

    <p>Aggregating traffic from multiple DSLAMs</p> Signup and view all the answers

    What is the term used to describe the transmission of voice conversations over a data network?

    <p>VoIP</p> Signup and view all the answers

    What is the primary goal of multiplay technology?

    <p>To provide a single platform for voice, data, and video services</p> Signup and view all the answers

    What is the purpose of the RAS in the Broadband Multiplay network?

    <p>Authenticating and authorizing user access</p> Signup and view all the answers

    What is the term used to describe the transmission of video content over a data network?

    <p>IPTV</p> Signup and view all the answers

    What type of connectivity is provided by the Broadband Multiplay network?

    <p>Broadband connectivity</p> Signup and view all the answers

    What is the main advantage of the triple play service?

    <p>It provides a single platform for voice, data, and video services</p> Signup and view all the answers

    What is the purpose of the AAA in the Broadband Multiplay network?

    <p>Authenticating, authorizing, and accounting for user access</p> Signup and view all the answers

    What is the primary function of the Set Top Box in multiplay technology?

    <p>To provide a single platform for voice, data, and video services</p> Signup and view all the answers

    What type of switching is used in the Tier 2 LAN Switch?

    <p>Layer 2 switching</p> Signup and view all the answers

    What is the purpose of the LDAP in the Broadband Multiplay network?

    <p>Storing and managing user authentication data</p> Signup and view all the answers

    What is the role of the NOC in the Broadband Multiplay network?

    <p>Monitoring and managing network performance</p> Signup and view all the answers

    What type of network is the Broadband Multiplay network?

    <p>Access-Aggregation-Core Network</p> Signup and view all the answers

    What is the primary benefit of VoIP in terms of cost reduction?

    <p>Toll by-pass and WAN Cost Reduction</p> Signup and view all the answers

    Which protocol is used for initiation, modification, and termination of communication sessions between users?

    <p>SIP</p> Signup and view all the answers

    What is the function of the DSLAM in the VoIP service?

    <p>Adds PVCs to the traffic</p> Signup and view all the answers

    What is the ITU-T standard for VoIP protocols?

    <p>H.323</p> Signup and view all the answers

    What is the function of MGCP in VoIP protocols?

    <p>Master/slave protocol for media gateway controller</p> Signup and view all the answers

    What is the primary benefit of VoIP in terms of operational improvement?

    <p>Common network infrastructure</p> Signup and view all the answers

    What is the IETF standard for VoIP protocols?

    <p>RFC 3261</p> Signup and view all the answers

    What is the name of the protocol that supports terminals communicating over packet-based networks?

    <p>H.323</p> Signup and view all the answers

    What is the operating mode requirement for IPSec implementation in Windows 2000?

    <p>Native Mode</p> Signup and view all the answers

    What tunneling protocol does MS VPN utilize with DUN 1.3 or 1.4?

    <p>PPTP</p> Signup and view all the answers

    What is essential for ensuring the security of the system?

    <p>Both A and B</p> Signup and view all the answers

    What is an alternative to a router with IOS Firewall software?

    <p>Proxy server software</p> Signup and view all the answers

    What should be added to the user's PC for security?

    <p>Personal firewall and encryption solution</p> Signup and view all the answers

    What is a solution for hiding additional devices behind 1 IP address in a small office or networked home office?

    <p>Mini-NATting solution</p> Signup and view all the answers

    What should be turned off for security purposes?

    <p>File and Print Sharing</p> Signup and view all the answers

    What is the characteristic of the Broadband Multiplay network?

    <p>Provides voice, data, and video services</p> Signup and view all the answers

    What is the benefit of using VPN technology in DSL connections?

    <p>It allows for secure connectivity and transmissions between two points</p> Signup and view all the answers

    What is the primary security concern in a DSL environment?

    <p>The technology used</p> Signup and view all the answers

    What is the purpose of using 128-bit encryption in VPN solutions?

    <p>To provide a more secure connection</p> Signup and view all the answers

    What is the advantage of using IPSec standard protocol over PPTP and other protocols?

    <p>It is more secure</p> Signup and view all the answers

    What is the risk of having a '24 x 7' connectivity with a static IP address via a modem to an internal network?

    <p>It makes it a juicy target for hackers</p> Signup and view all the answers

    What is the purpose of using tunneling in VPN solutions?

    <p>To provide a more secure connection by encrypting data</p> Signup and view all the answers

    What is the advantage of using a VPN solution in a DSL environment?

    <p>It provides a more secure connection</p> Signup and view all the answers

    What is the purpose of using a corporate site in a VPN solution?

    <p>To provide a more secure connection to the corporate site</p> Signup and view all the answers

    What is the primary function of the Core Router in the Broadband Multiplay network?

    <p>To manage network traffic and routing</p> Signup and view all the answers

    What is the purpose of the RAS in the Broadband Multiplay network?

    <p>To authenticate and authorize users</p> Signup and view all the answers

    What is the primary advantage of multiplay technology?

    <p>Convergence of services</p> Signup and view all the answers

    What type of connectivity is provided by the Broadband Multiplay network?

    <p>Broadband connectivity</p> Signup and view all the answers

    What is the term used to describe the transmission of video content over a data network?

    <p>IPTV</p> Signup and view all the answers

    What is the function of the BNG in the broadband multiplay network?

    <p>To act as a gateway of the broadband traffic towards the MPLS core</p> Signup and view all the answers

    What is the characteristic of the Broadband Multiplay network?

    <p>Convergence of services</p> Signup and view all the answers

    What is the primary function of the DSLAM in the VoIP service?

    <p>To aggregate and transmit voice traffic</p> Signup and view all the answers

    What type of connectivity is used between the DSLAM and CPE?

    <p>Copper wire</p> Signup and view all the answers

    What services are converged in multiplay?

    <p>Voice, video, and data</p> Signup and view all the answers

    What is the main purpose of the broadband multiplay network?

    <p>To provide converged services to customers</p> Signup and view all the answers

    What type of interface options are offered by the BNG?

    <p>Packet over SONET (PoS) and channelized connections</p> Signup and view all the answers

    What is the primary function of the DSLAM in the network?

    <p>To provide high-speed internet connectivity</p> Signup and view all the answers

    What is the characteristic of the broadband multiplay network?

    <p>It is a converged network</p> Signup and view all the answers

    What is the purpose of the RAS in the broadband multiplay network?

    <p>To manage network access</p> Signup and view all the answers

    What is the primary advantage of multiplay technology?

    <p>Convergence of voice, video, and data services</p> Signup and view all the answers

    Which layer is responsible for aggregation in the Broadband Multiplay Network architecture?

    <p>Aggregation</p> Signup and view all the answers

    What is the primary function of the Edge Server in the Broadband Multiplay Network?

    <p>To act as a gateway for the broadband network</p> Signup and view all the answers

    What is the term used to describe the network architecture shown in Figure 11?

    <p>Broadband Multiplay Network in A cities</p> Signup and view all the answers

    What is the primary function of the PE Router in the Broadband Multiplay Network?

    <p>To connect to the Tier 1 Switch</p> Signup and view all the answers

    What is the term used to describe the transmission of video content over a data network in the Broadband Multiplay Network?

    <p>IPTV</p> Signup and view all the answers

    What is the primary objective of the Broadband Multiplay project?

    <p>To enhance the connection capacity and bandwidth of the network</p> Signup and view all the answers

    What is the primary function of the Core Router in the Broadband Multiplay Network?

    <p>To act as a gateway for the broadband network</p> Signup and view all the answers

    What type of connectivity is provided by the Broadband Multiplay Network?

    <p>Broadband connectivity</p> Signup and view all the answers

    What is the key benefit of the RPR ring technology in the Broadband Multiplay network?

    <p>It provides protection against transmission media cut</p> Signup and view all the answers

    What is the characteristic of the Broadband Multiplay Network?

    <p>It provides voice, data, and video services</p> Signup and view all the answers

    What type of services are supported by the Broadband Multiplay network?

    <p>A bouquet of services that demand high bandwidth</p> Signup and view all the answers

    What is the primary characteristic of the Broadband Multiplay network?

    <p>It is a high bandwidth network</p> Signup and view all the answers

    What is the main purpose of the Set Top Box in the Broadband Multiplay network?

    <p>To carry multiple applications of voice, data, and video</p> Signup and view all the answers

    What is the primary advantage of the Broadband Multiplay network?

    <p>It provides a one-stop solution for all information, communication, and entertainment needs</p> Signup and view all the answers

    What is the primary goal of the Multiplay technology?

    <p>To provide a one-stop solution for all information, communication, and entertainment needs</p> Signup and view all the answers

    What type of services are offered by the Multiplay technology?

    <p>A bouquet of services that demand high bandwidth, including Video-On-Demand, Radio, Television Channels, and more</p> Signup and view all the answers

    Which of the following is not compatible with router firewall software?

    <p>Proxy server software</p> Signup and view all the answers

    What should be implemented for Perimeter Defense?

    <p>A router with IOS Firewall software</p> Signup and view all the answers

    What is essential for ensuring the security of the system?

    <p>Applying the most recent operating system and application service packs and patches</p> Signup and view all the answers

    What should be added to the user's PC for security?

    <p>A personal firewall and encryption solution</p> Signup and view all the answers

    What is a solution for hiding additional devices behind 1 IP address in a small office or networked home office?

    <p>A mini-NATting solution</p> Signup and view all the answers

    What should be turned off for security purposes?

    <p>File and Print Sharing</p> Signup and view all the answers

    What characteristic does the Broadband Multiplay network have?

    <p>Provides voice, data and video services</p> Signup and view all the answers

    What tunneling protocol does MS VPN utilize with DUN 1.3 or 1.4?

    <p>PPTP</p> Signup and view all the answers

    What is the primary advantage of broadband multiplay technology?

    <p>Convenience of having multiple services on the same medium</p> Signup and view all the answers

    What type of services are provided through broadband multiplay?

    <p>Voice, data, and video</p> Signup and view all the answers

    What is the main purpose of the broadband multiplay network?

    <p>To provide a single platform for multiple services</p> Signup and view all the answers

    What is the characteristic of the broadband multiplay network?

    <p>It provides multiple services over a single medium</p> Signup and view all the answers

    What is the primary function of the Set Top Box in broadband multiplay?

    <p>To manage multiple applications and services</p> Signup and view all the answers

    What is the term used to describe the transmission of video content over a data network?

    <p>Internet Protocol Television (IPTV)</p> Signup and view all the answers

    What is the term used to describe the transmission of voice conversations over a data network?

    <p>Voice over Internet Protocol (VoIP)</p> Signup and view all the answers

    What is the key benefit of broadband multiplay technology?

    <p>Convenience and cost savings</p> Signup and view all the answers

    What is the primary function of DSLAM in the Broadband Multiplay network?

    <p>To mux and demux the voice and data packets</p> Signup and view all the answers

    What is the role of the BNG in the Broadband Multiplay network?

    <p>To provide routing, allotting IP, and control customer speed</p> Signup and view all the answers

    What is the primary function of the RPR Tier-1 Switch in the Broadband Multiplay network?

    <p>To aggregate the packets coming from different Tier 2 Switch</p> Signup and view all the answers

    What is the function of the Splitter in the Customer Premises Equipment (CPE)?

    <p>To separate the voice data and Internet data</p> Signup and view all the answers

    What type of connectivity is provided by the Broadband Multiplay network?

    <p>Internet, Voice, and Video connectivity</p> Signup and view all the answers

    What is the primary function of the Tier-2 Switch in the Broadband Multiplay network?

    <p>To aggregate the packets coming from different DSLAM</p> Signup and view all the answers

    What protocol does the data between Modem and DSLAM follow?

    <p>ATM protocol</p> Signup and view all the answers

    What is the function of the L3PE in the Broadband Multiplay network?

    <p>MCR / PE Router of NIB-2 Project 1</p> Signup and view all the answers

    What is the primary function of the Core Router in the Broadband Multiplay network?

    <p>To manage network traffic</p> Signup and view all the answers

    What type of connectivity is provided by the Broadband Multiplay network?

    <p>Broadband connectivity</p> Signup and view all the answers

    What is the term used to describe the transmission of voice conversations over a data network?

    <p>VoIP</p> Signup and view all the answers

    What is the primary function of the BNG in the Broadband Multiplay network?

    <p>To aggregate subscriber traffic</p> Signup and view all the answers

    What is the characteristic of the Broadband Multiplay network?

    <p>It provides triple play services</p> Signup and view all the answers

    What is the purpose of the RPR in the Broadband Multiplay network?

    <p>To aggregate subscriber traffic</p> Signup and view all the answers

    What is the primary advantage of multiplay technology?

    <p>It provides triple play services</p> Signup and view all the answers

    What is the main purpose of the broadband multiplay network?

    <p>To provide triple play services</p> Signup and view all the answers

    What is the purpose of the LDAP in the Broadband Multiplay network?

    <p>Directory services for user management</p> Signup and view all the answers

    What type of switching is used in the Tier 2 LAN switch?

    <p>Gigabit Ethernet</p> Signup and view all the answers

    What is the function of the DSLAM in the Broadband Multiplay network?

    <p>Aggregating multiple broadband connections</p> Signup and view all the answers

    What is the purpose of the RAS in the Broadband Multiplay network?

    <p>Remote access to network services</p> Signup and view all the answers

    What type of network connectivity is provided by the Broadband Multiplay network?

    <p>Broadband</p> Signup and view all the answers

    What is the role of the Core Router in the Broadband Multiplay network?

    <p>Routing traffic between different networks</p> Signup and view all the answers

    What is the primary characteristic of the Broadband Multiplay network?

    <p>Multi-service provisioning</p> Signup and view all the answers

    What is the purpose of the AAA in the Broadband Multiplay network?

    <p>Authentication, Authorization, and Accounting</p> Signup and view all the answers

    What is the maximum download speed supported by Multiplay Broadband?

    <p>24 Mbps</p> Signup and view all the answers

    Which of the following services is NOT supported by Multiplay Broadband?

    <p>Radio Broadcasting</p> Signup and view all the answers

    What is the primary benefit of Resilient Packet Routing (RPR) technology?

    <p>Reliability</p> Signup and view all the answers

    What is the function of the Inner ring in RPR technology?

    <p>Carries inner ring data and control signal</p> Signup and view all the answers

    What is the primary characteristic of the Broadband Multiplay network?

    <p>High-bandwidth intensive</p> Signup and view all the answers

    What is the main purpose of the Tier-2 Switches in the Multiplay Broadband network?

    <p>To form the ring between Tier-2 Switches and Tier-1 switch</p> Signup and view all the answers

    What type of services are supported by the Broadband Multiplay network?

    <p>Bandwidth-intensive services like Video-On-Demand and others</p> Signup and view all the answers

    What is the topology used in RPR technology?

    <p>Dual counter-rotating ring topology</p> Signup and view all the answers

    What is the term used to describe the transmission of voice conversations over a data network?

    <p>IP Telephony</p> Signup and view all the answers

    What type of information is sent through VoIP?

    <p>Digital voice information</p> Signup and view all the answers

    What is the role of the Media Gateway in the network?

    <p>To forward voice traffic</p> Signup and view all the answers

    What type of tag is added to the traffic sent from the CPE?

    <p>VLAN tag</p> Signup and view all the answers

    What is the purpose of the BNG in the network?

    <p>To remove VLAN tags and map traffic to the corresponding context</p> Signup and view all the answers

    What is the role of the L3PE in the network?

    <p>To forward data traffic with proper VLAN tags</p> Signup and view all the answers

    What is the primary purpose of the Broadband Multiplay network?

    <p>To provide a high bandwidth connection to the last mile</p> Signup and view all the answers

    What type of traffic is sent from the CPE to the RPR/OCLAN Switch?

    <p>Voice, video, and data traffic</p> Signup and view all the answers

    What technology is used in Broadband Multiplay to protect against transmission media cut?

    <p>RPR ring</p> Signup and view all the answers

    What type of services are supported by Broadband Multiplay?

    <p>A bouquet of services and applications that demand high bandwidth</p> Signup and view all the answers

    What is the primary function of the Core Router in the network?

    <p>To connect to the MPLS core</p> Signup and view all the answers

    What is the primary goal of Multiplay?

    <p>To provide a single platform for all services</p> Signup and view all the answers

    What is Multiplay an extension of?

    <p>Tripe-Play technology</p> Signup and view all the answers

    What is the primary benefit of Broadband Multiplay?

    <p>Single platform for all services</p> Signup and view all the answers

    What type of applications are supported by Broadband Multiplay?

    <p>All sorts of services on the same medium</p> Signup and view all the answers

    What is the primary advantage of Broadband Multiplay?

    <p>Single platform for all services</p> Signup and view all the answers

    What is the primary security concern for a DSL environment?

    <p>24 x 7 connectivity with a static IP address</p> Signup and view all the answers

    What is the recommended protocol for securing DSL connections?

    <p>IPSec</p> Signup and view all the answers

    What is the primary benefit of using VPN technology in DSL connections?

    <p>Secure connectivity and transmission between two points</p> Signup and view all the answers

    What is the purpose of authentication with a trusted host in a DSL connection?

    <p>To authenticate the user with a trusted host</p> Signup and view all the answers

    What is the primary advantage of using IPSec protocol?

    <p>Secure transmission and tunneling</p> Signup and view all the answers

    What is the primary security risk associated with 24 x 7 connectivity with a static IP address?

    <p>Making the connection a juicy target for hackers</p> Signup and view all the answers

    What is the purpose of using a VPN solution in a DSL connection?

    <p>To enable secure connectivity and tunneling to a corporate site</p> Signup and view all the answers

    What is the primary advantage of using DSL connectivity?

    <p>Virtual private circuit creation</p> Signup and view all the answers

    What is the primary benefit of VoIP in terms of operational improvement?

    <p>Simplification of Routing Administration and Business Tool Integration</p> Signup and view all the answers

    Which protocol is a peer-to-peer protocol for initiation, modification, and termination of communication sessions between users?

    <p>SIP</p> Signup and view all the answers

    What type of traffic is sent from the CPE to the RPR/OCLAN Switch in the VoIP service?

    <p>Voice traffic</p> Signup and view all the answers

    What is the function of the DSLAM in the VoIP service?

    <p>Adds VLAN tags to the traffic</p> Signup and view all the answers

    What is the IETF standard for VoIP protocols?

    <p>RFC 3261</p> Signup and view all the answers

    What is the primary benefit of VoIP in terms of cost reduction?

    <p>Toll by-pass</p> Signup and view all the answers

    What is the term used to describe the transmission of voice conversations over a data network?

    <p>Voice over Internet Protocol (VoIP)</p> Signup and view all the answers

    What is the function of MGCP in VoIP protocols?

    <p>Master/slave protocol for media gateway controller to control media gateway</p> Signup and view all the answers

    What is essential for ensuring the security of the system?

    <p>Communication with IT security or periodic vendor website review and applying the most recent operating system and application service packs and patches</p> Signup and view all the answers

    What is an alternative to a router with IOS Firewall software?

    <p>Using a proxy server software</p> Signup and view all the answers

    What should be added to the user's PC for security?

    <p>A personal firewall and encryption solution</p> Signup and view all the answers

    What is a solution for hiding additional devices behind 1 IP address in a small office or networked home office?

    <p>A mini-NATting solution</p> Signup and view all the answers

    What should be turned off for security purposes?

    <p>File and Print Sharing</p> Signup and view all the answers

    What tunneling protocol does MS VPN utilize with DUN 1.3 or 1.4?

    <p>PPTP</p> Signup and view all the answers

    In which mode can IPSec be used in Windows 2000?

    <p>Native Mode</p> Signup and view all the answers

    What is the characteristic of the Broadband Multiplay network?

    <p>Provides voice, data, and video services</p> Signup and view all the answers

    Study Notes

    Broadband Network Connectivity

    • Figure 8 illustrates a network connectivity diagram of broadband, featuring ADSL terminals.

    Broadband Multiplay

    • Broadband multiplay provides triple play services to customers, including:
      • Data (Internet)
      • Voice (VoIP)
      • Video (IPTV, VoD)
    • Multiplay is an extension of triple-play technology, aiming to provide a one-stop solution for all information, communication, and entertainment needs.
    • Residential users can access IPTV with Video On Demand, bundled with Internet services like Web access and VoIP.

    IPTV Service

    • IPTV is an emerging technology, expected to evolve into a completely interactive experience in the future.
    • A Set-Top Box (STB) connects to the home DSL line, reassembling packets into a video stream and decoding the contents.
    • The video stream is broken up into IP packets and sent into the core network, which handles various types of traffic (data, voice, etc.).

    VOIP Service

    • VoIP (Voice over Internet Protocol) technology transmits voice conversations over a data network using the Internet Protocol.
    • VoIP enables people to use the Internet as a transmission medium for telephone calls.
    • VoIP works by sending voice information in digital form in packets.

    IP Telephony Services

    • IP telephony services include voice traffic, video traffic, and data traffic.
    • The Media Gateway forwards voice traffic to the Core Network through MPLS.
    • BNG removes the VLAN tag, maps the traffic to the corresponding context, and forwards it to L3PE.

    Benefits of VoIP

    • Cost reduction:
      • Toll by-pass
      • WAN cost reduction
    • Operational improvement:
      • Common network infrastructure
      • Simplification of routing administration
      • Integration of voice mail, email, and fax mail
      • Web + Call and mobility using IP

    VoIP Protocols

    • H.323:
      • ITU-T standard, latest version v4
      • Peer-to-peer protocol for terminals communicating over packet-based networks
    • SIP:
      • IETF standard, RFC 3261
      • Peer-to-peer protocol for initiation, modification, and termination of communication sessions between users
    • MGCP:
      • ITU-T and IETF collaboration, RFC 3435
      • Master/slave protocol for media gateway controller to control media gateway

    Network Connectivity Diagram of Broadband

    • The diagram shows a broadband network architecture with various components, including AAA, LDAP, Core Router, NOC, Broadband, RAS, Aggregation, DSLAM, Tier 1 GigE, ADSL terminals, and FE connections.

    Broadband Multiplay

    • Broadband multiplay refers to the provision of multiple services, including data, voice, and video, over a single broadband connection.
    • The triple-play service includes:
      • Data (Internet)
      • Voice (VoIP)
      • Video (IPTV, VoD, or live broadcast and stored broadcasting using video streaming protocols)
    • Multiplay aims to provide a one-stop solution for all information, communication, and entertainment needs.

    VOIP Service

    • VOIP (Voice over Internet Protocol) service allows for voice communication over the internet.
    • Benefits of VOIP include:
      • Cost reduction
      • Operational improvement
      • Common network infrastructure
      • Simplification of routing administration
      • Business tool integration
      • Voice mail, email, and fax mail integration
      • Web + call
      • Mobility using IP
    • VOIP protocols include:
      • H.323 (ITU-T standard)
      • SIP (IETF standard)
      • MGCP (ITU-T and IETF collaboration)

    Security Aspects

    • DSL connectivity provides a virtual private circuit between the user's point of entry and the telephone central office.
    • Authentication with a trusted host is required after passing through the telephone central office onto the internet.
    • Security measures for DSL environment include:
      • VPN technology and protocols for secure connectivity and transmissions
      • 128-bit encryption and secure tunneling to a corporate site
      • IPSec standard protocol
      • Compatibility issues exist between Microsoft Proprietary IPSec and generic IPSec standard
      • Regular updates and patches for operating systems and applications
      • Perimeter defense with a router and IOS Firewall software
      • Packet filtering and secure encrypted passwords
      • Personal firewall and encryption solution for individual users
      • Hard disk encryption for portables and laptops
      • Mini-NATting solution for small office or networked home office
      • Third-party privacy software and beta version of Microsoft's IE 5.5 for additional privacy and cookie protection.

    Learning Objectives

    • Understand what Broadband Multiplay is
    • Identify Network Components
    • Explain Network Architecture
    • Describe Services on Broadband Multiplay

    Introduction to Broadband Multiplay

    • Evolution of services and applications require high bandwidth at last mile
    • ISPs redesigned access network to expand and enhance connection capacity and bandwidth
    • BSNL's Broadband Multiplay project established a Broadband access network in parallel to NIB-II project

    What is Broadband Multiplay?

    • Extension of Triple-Play technology
    • Runs multiple applications on the same medium
    • Aims to be a one-stop solution for all information, communication, and entertainment needs
    • Supports services like Video-On-Demand, Radio, Television Channels, T-Education, T-commerce, Virtual Shopping, Video-Conferencing, Audio-On-Demand, and more

    Network Architecture of Broadband Multiplay

    • Network components:
      • AAA (Authentication, Authorization, Accounting)
      • LDAP (Lightweight Directory Access Protocol)
      • Provisioning
      • Core router
      • NOC (Network Operations Center)
      • Broadband Aggregation
      • RAS (Remote Access Server)
      • DSLAM (Digital Subscriber Line Access Multiplexer)
      • Tier 1 and Tier 2 LAN switches
      • X-ge (Gigabit Ethernet)
    • Network connectivity:
      • Fiber up to DSLAM level
      • Copper wire between DSLAM and CPE (Customer Premises Equipment)
      • BNG (Broadband Network Gateway) acts as a gateway for broadband traffic towards MPLS core

    Broadband Multiplay Network

    • Core
    • Metro Core
    • Distribution
    • Access
    • MPLS (Multiprotocol Label Switching)
    • RPR (Resilient Packet Ring) technology provides protection against transmission media cut

    Network Architecture in Different Cities

    • A Cities: MPLS core, Edge Server, RPR Aggregation Layer, Tier 1 and Tier 2 switches
    • B Cities with BNG: Nation-wide core, MPLS layer, Aggregation Layer, Tier 1 and Tier 2 switches
    • B Cities without BNG: Nation-wide core, MPLS layer, Aggregation Layer, Tier 1 and Tier 2 switches
    • Other Cities: Core router, BNG, GigE, FE (Fast Ethernet), SDH RING (Synchronous Digital Hierarchy Ring), Tier 1 and Tier 2 LAN switches

    Features of Broadband Multiplay

    • Provides voice, data, and streaming video services
    • Supports IPSec and PPTP tunneling
    • Requires latest operating system and application service packs and patches
    • Provides Perimeter Defense with a router that has IOS Firewall software and a strong script for packet filtering
    • Suggests use of personal firewall and encryption solution for individual users
    • Suggests use of mini-NATting solution for small office or networked home office
    • Suggests use of third-party privacy software for additional protection

    Broadband Multiplay

    • Triple play service: provides data (Internet), voice (VoIP), and video (IPTV, VoD) services to customers.
    • Multiplay is an extension of Triple-Play technology, aiming to provide multiple services on the same medium.

    Broadband Multiplay Project Components

    • L3PE (MCR/PE Router of NIB-2 Project 1 – supplied by HCL)
    • BNG (Broadband Network Gateway)
    • RPR Tier-1 Switch
    • RPR Tier-2 Switch
    • OC LAN Tier-2 Switch
    • DSLAM
    • DSL Tester
    • Installation Related Material

    Customer Premises Equipment (CPE)

    • Consists of two parts: Splitter and ADSL modem (based on ADSL2+ standard)
    • Data between modem and DSLAM follows ATM protocol
    • DSLAM:
      • Digital subscriber line Access Multiplexer
      • Mux and demux voice and data packets
      • Converts ATM packets to VLAN (Ethernet packets)
      • Sends packets to customer virtual LAN

    Network Architecture

    • Broadband Multiplay Network:
      • Core
      • Metro Core
      • Distribution
      • Access
    • Network Architecture in A Cities:
      • MPLS
      • Nation-wide Core
      • Edge Server
      • RPR Aggregation Layer
      • Tier 1 Switch
      • Tier 2 Switch
    • Network Architecture in B Cities:
      • With BNG:
        • MPLS
        • Nation-wide Core
        • Edge Server
        • RPR Aggregation Layer
        • Tier 1 Switch
        • Tier 2 Switch
      • Without BNG:
        • MPLS
        • Nation-wide Core
        • Edge Server
        • RPR Aggregation Layer
        • Tier 1 Switch
        • Tier 2 Switch
    • Network Architecture in Other Cities:
      • Core Router
      • BNG
      • GigE
      • FE
      • Tier 1 LAN Switch
      • SDH RING
      • RPR
      • Tier 2 LAN Switch
      • To nearest A/B cities with BNG

    Features of Broadband Multiplay

    • Provides voice, data, and streaming video services
    • Maximum download speed can go up to 24 Mbps
    • On-demand services like Audio on Demand, Games on Demand, Video on Demand, Video Conferencing, IPTV, etc.

    Services on Broadband Multiplay

    • Multiplay Broadband Services:
      • Voice
      • Data
      • Streaming Video
      • On-demand services

    Resilient Packet Routing (RPR) Technology

    • Best suited for a broadband core network
    • Pure Data Ring on fiber
    • Dual counter-rotating ring topology
    • Inner (Outer) ring carries inner (outer) ring data and control signal for outer (inner) ring
    • Used to form the ring between Tier 2 Switches and Tier-1 switch

    Broadband Multiplay Services

    • Suitable for bandwidth-intensive services like:
      • Video-On-Demand
      • Radio
      • Television Channels
      • T-Education
      • T-commerce
      • Virtual Shopping
      • Video-Conferencing
      • Audio-On-Demand

    Broadband Multiplay Architecture

    • Broadband Multiplay is an extension of Triple-Play technology, which allows multiple services to run on the same medium.
    • It aims to provide a one-stop solution for information, communication, and entertainment needs.
    • Services offered include Video-On-Demand, Radio, Television Channels, T-Education, T-commerce, Virtual Shopping, Video-Conferencing, and Audio-On-Demand.

    Network Components

    • Network components include:
      • Media Gateway
      • Broadband Network Gateway (BNG)
      • Core Network (MPLS)
      • RPR (Resilient Packet Ring) Switch
      • DSLAM (Digital Subscriber Line Access Multiplexer)
      • CPE (Customer Premises Equipment)
      • STB (Set Top Box)

    Network Architecture

    • The network architecture consists of:
      • Access Network: CPE configured to send Data/Voice/Video Traffic as specific ATM PVCs
      • Aggregation Network: RPR/OCLAN Switch forwards traffic to DSLAM with proper QoS Mapping
      • Core Network: BNG removes VLAN tag, maps traffic to corresponding context, and forwards to L3PE with proper VLAN Tag
      • Media Gateway: forwards Voice Traffic to Media Gateway by L3PE through MPLS Core

    VoIP Services

    • VoIP (Voice over Internet Protocol) works by sending voice information in digital form in packets.
    • Benefits of VoIP include:
      • Cost reduction through toll by-pass and WAN cost reduction
      • Operational improvement through common network infrastructure, simplification of routing administration, and business tool integration
      • Voice mail, email, and fax mail integration
      • Web + Call and mobility using IP
    • VoIP protocols include:
      • H.323: ITU-T standard for peer-to-peer protocol
      • SIP: IETF standard for peer-to-peer protocol
      • MGCP: ITU-T and IETF collaboration for master/slave protocol

    Security Aspects

    • DSL connectivity provides a virtual private circuit between the user and the telephone central office.
    • Authentication with a trusted host after passing through the telephone central office onto the Internet provides an additional layer of security.
    • VPN technology and protocols allow for secure connectivity and transmissions between two points.
    • Security measures include:
      • 128-bit encryption and secure tunneling
      • IPSec standard protocol
      • Static IP address and 24 x 7 connectivity
      • VPN solution and secure tunneling to a corporate site
      • Perimeter defense with a router that has IOS Firewall software and strong script for packet filtering
      • Personal firewall and encryption solution for individual users
      • Hard disk encryption for portables and laptops
      • Mini-NATting solution for small office or networked home office

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    Related Documents

    Multiplay Architecture, Overview of Services (PDF)

    Description

    This quiz covers broadband network connectivity, including ADSL terminals, and broadband multiplay services, which provide triple play services such as internet, voice, and video. It also explores the concept of multiplay technology and its benefits for residential users.

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