Mobile IP
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Which component of Mobile IP is responsible for packet forwarding and location management for a mobile host?

  • Mobile Node
  • Foreign Agent
  • Home Agent (correct)
  • Router

    • What is the major limitation of conventional TCP/IP that Mobile IP addresses?

  • The IP address is used for routing packets and also as an end-point identifier for applications in end-hosts (correct)
  • It is not scalable or efficient
  • TCP connections cannot survive any address change
  • It is not secure due to changing locations of the mobile node

    • What is the purpose of the Foreign Agent in Mobile IP?

  • To register the mobile node with a network node on the foreign network (correct)
  • To enable discovery, registration, and tunneling capabilities
  • To assign a home network IP address that is static to the mobile node
  • To intercept IP datagrams sent to the mobile node's home address and forward them to the care-of address via tunneling

    • What is the main difference between Mobile IPv4 and Mobile IPv6?

    <p>Mobile IPv6 supports CoA auto-configuration with DAD required, route optimization, and strong security between MN and HA, but weak security between MN and CN</p> Signup and view all the answers

    What is the purpose of Binding Update (BU) and Binding Acknowledgement (BAck) in Mobile IPv6?

    <p>To enable route optimization</p> Signup and view all the answers

    What is the purpose of Proxy MIPv6?

    <p>To provide mobility support to any IPv6 host without requiring the host to participate in any mobility-related signaling and with no change in the MN protocol stack required</p> Signup and view all the answers

    What is the purpose of IP micro-mobility support in Mobile IP?

    <p>To enable efficient local handover inside a foreign domain without involving a home agent</p> Signup and view all the answers

    What is the purpose of Hierarchical Mobile IPv6?

    <p>To reduce control traffic on the backbone and minimize the number of overall changes to routing tables</p> Signup and view all the answers

    What is the purpose of the Host Identity Protocol v2 in Mobile IP?

    <p>To provide identification via Host Identity Tag based on public keys</p> Signup and view all the answers

    Which protocol was introduced in 1996 and revised in 2002 to provide mobility support for mobile nodes on IP networks?

    <p>Mobile IPv4</p> Signup and view all the answers

    What are the major components of Mobile IP?

    <p>Home Agent, Foreign Agent, and Mobile Node</p> Signup and view all the answers

    What is the purpose of the home agent in Mobile IP?

    <p>Intercepts IP datagrams sent to the mobile node's home address and forwards them to the care-of address via tunneling</p> Signup and view all the answers

    What is the purpose of the foreign agent in Mobile IP?

    <p>Registers with a network node on the foreign network and gives a care-of address to the agent on the home network</p> Signup and view all the answers

    What is the purpose of the mobile node in Mobile IP?

    <p>Moves to another network, registers with a foreign agent, and gives a care-of address to the home agent</p> Signup and view all the answers

    What is the purpose of IP micro-mobility support?

    <p>Enables efficient local handover inside a foreign domain without involving a home agent</p> Signup and view all the answers

    What is the purpose of Proxy MIPv6?

    <p>Provide mobility support to any IPv6 host without requiring the host to participate in any mobility-related signaling</p> Signup and view all the answers

    What is the purpose of Hierarchical Mobile IPv6?

    <p>Reduces control traffic on the backbone and minimizes the number of overall changes to routing tables</p> Signup and view all the answers

    What is the purpose of Locator/ID Separation Protocol?

    <p>Introduces a new routing concept with tunneling for data transport and no changes to hosts or core</p> Signup and view all the answers

    What is the main reason a TCP connection cannot survive any address change in conventional TCP/IP?

    <p>The socket cannot determine a connection</p> Signup and view all the answers

    What is the purpose of the Home Agent in Mobile IP?

    <p>To provide packet forwarding and location management for the mobile host</p> Signup and view all the answers

    What is the purpose of the Binding Update (BU) and Binding Acknowledgement (BAck) in Mobile IPv6?

    <p>To register the mobile node with a network node on the foreign network</p> Signup and view all the answers

    What is the main feature of Proxy MIPv6?

    <p>It requires no change in the MN protocol stack</p> Signup and view all the answers

    What is the purpose of IP micro-mobility support in Mobile IP?

    <p>To enable efficient local handover inside a foreign domain</p> Signup and view all the answers

    What is the main difference between Mobile IPv4 and Mobile IPv6?

    <p>Mobile IPv6 introduces new messages and options</p> Signup and view all the answers

    What is the purpose of the Mobile Node in Mobile IP?

    <p>To register the mobile node with a network node on the foreign network</p> Signup and view all the answers

    What is the main feature of Hierarchical Mobile IPv6?

    <p>It reduces control traffic on the backbone</p> Signup and view all the answers

    What is the purpose of the Locator/ID Separation Protocol in Mobile IP?

    <p>To introduce a new routing concept with tunneling for data transport</p> Signup and view all the answers

    What is the main limitation of a TCP connection in a mobile network?

    <p>It cannot survive any address change</p> Signup and view all the answers

    What is the function of the Home Agent in Mobile IP?

    <p>Intercepts IP datagrams sent to the mobile node's home address and forwards them to the care-of address via tunneling</p> Signup and view all the answers

    What is the purpose of Mobile IP?

    <p>To create an anchor for a mobile host that takes care of packet forwarding and location management</p> Signup and view all the answers

    What is the purpose of the Foreign Agent in Mobile IP?

    <p>Provides a care-of address to the agent on the home network</p> Signup and view all the answers

    What is the difference between Mobile IPv4 and Mobile IPv6?

    <p>Mobile IPv6 supports CoA auto-configuration with DAD required, while Mobile IPv4 does not</p> Signup and view all the answers

    What is the purpose of Proxy MIPv6?

    <p>To provide mobility support to any IPv6 host without requiring the host to participate in any mobility-related signaling and with no change in the MN protocol stack required</p> Signup and view all the answers

    What is the purpose of IP micro-mobility support in Mobile IP?

    <p>To enable efficient local handover inside a foreign domain without involving a home agent</p> Signup and view all the answers

    What is the purpose of Hierarchical Mobile IPv6?

    <p>To reduce control traffic on the backbone and minimize the number of overall changes to routing tables</p> Signup and view all the answers

    What is the purpose of the Host Identity Protocol v2 in Mobile IP?

    <p>To introduce a HIP layer between routing and transport with IP addresses for routing only and identification via Host Identity Tag based on public keys</p> Signup and view all the answers

    What is the main goal of Mobile IP?

    <p>To provide mobility support for mobile nodes on IP networks while being compatible with existing network protocols, transparent to higher layers and users, scalable and efficient, and secure due to changing locations of the mobile node.</p> Signup and view all the answers

    What is the difference between a home network and a foreign network in Mobile IP?

    <p>A home network is where the mobile node is assigned a static IP address, while a foreign network is where the mobile node moves to and registers with a foreign agent.</p> Signup and view all the answers

    What are the major components of Mobile IP?

    <p>The major components of Mobile IP are a Home Agent (HA), Foreign Agent (FA), and Mobile Node (MN).</p> Signup and view all the answers

    What is the purpose of Binding Update (BU) and Binding Acknowledgement (BAck) in Mobile IPv6?

    <p>The purpose of Binding Update (BU) and Binding Acknowledgement (BAck) in Mobile IPv6 is to inform the home agent about the new care-of address of the mobile node.</p> Signup and view all the answers

    What is Proxy MIPv6?

    <p>Proxy MIPv6 is a protocol designed to provide mobility support to any IPv6 host without requiring the host to participate in any mobility-related signaling and with no change in the MN protocol stack required.</p> Signup and view all the answers

    What is the purpose of IP micro-mobility support in Mobile IP?

    <p>The purpose of IP micro-mobility support in Mobile IP is to enable efficient local handover inside a foreign domain without involving a home agent and is important for security, efficiency, scalability, transparency, and manageability.</p> Signup and view all the answers

    What is the purpose of Hierarchical Mobile IPv6?

    <p>The purpose of Hierarchical Mobile IPv6 is to reduce control traffic on the backbone and minimize the number of overall changes to routing tables.</p> Signup and view all the answers

    What is the purpose of the Host Identity Protocol v2 in Mobile IP?

    <p>The purpose of the Host Identity Protocol v2 in Mobile IP is to introduce a HIP layer between routing and transport with IP addresses for routing only and identification via Host Identity Tag based on public keys.</p> Signup and view all the answers

    What is the Locator/ID Separation Protocol?

    <p>The Locator/ID Separation Protocol is a protocol that introduces a new routing concept with tunneling for data transport and no changes to hosts or core, using RLOC for routing and EID for identification.</p> Signup and view all the answers

    Study Notes

    Mobile IP: Limitations of Conventional TCP/IP and Operation of Mobile IPv4 and IPv6

    • Conventional TCP/IP has limitations as the IP address is used for routing packets and also as an end-point identifier for applications in end-hosts.

    • A TCP connection cannot survive any address change because it relies on the socket to determine a connection.

    • Mobile IP creates an “anchor” for a mobile host that takes care of packet forwarding and location management.

    • Mobile IP was designed to be compatible with existing network protocols, transparent to higher layers and users, scalable and efficient, and secure due to changing locations of the mobile node.

    • Mobile IPv4 was introduced in 1996 and revised in 2002, while Mobile IPv6 was introduced in 2004.

    • The major components of Mobile IP are a Home Agent (HA), Foreign Agent (FA), and Mobile Node (MN).

    • The mobile node is assigned a home network IP address that is static, and it can move to another network, which is a foreign network.

    • The mobile node registers with a network node on the foreign network, which is the foreign agent, and gives a care-of address to the agent on the home network, which is the home agent.

    • Mobile IP supports discovery, registration, and tunneling capabilities.

    • The mobile node is responsible for the ongoing discovery process to identify prospective home and foreign agents.

    • The home agent intercepts IP datagrams sent to the mobile node's home address and forwards them to the care-of address via tunneling.

    • Mobile IPv6 introduced new messages and options, such as Binding Update (BU) and Binding Acknowledgement (BAck), and new destination options and routing header types.Summary of Mobile IPv6, Proxy MIPv6, IP Micro-mobility support, and Locator/ID split

    • The binding lifetime of CN is near expiration

    • Mobile IPv6 supports CoA auto-configuration with DAD required, route optimization, and strong security between MN and HA, but weak security between MN and CN

    • Handover latency for standard MIPv6 is up to 2.5 seconds

    • Host-based MIPv4/v6 has not been widely deployed due to heavy implementation specifications and battery and air resource concerns

    • Proxy MIPv6 is designed to provide mobility support to any IPv6 host without requiring the host to participate in any mobility-related signaling and with no change in the MN protocol stack required

    • PMIPv6 introduces new entities, LMA and MAG, and assumes a point-to-point link between MN and MAG with a per-MN prefix model

    • PMIPv6 features include home in any place, proxy registration, M:1 tunnel, and LMA prefix-based routing

    • IP micro-mobility support enables efficient local handover inside a foreign domain without involving a home agent and is important for security, efficiency, scalability, transparency, and manageability

    • Hierarchical Mobile IPv6 reduces control traffic on the backbone and minimizes the number of overall changes to routing tables but requires decentralized security-critical functionality and is not transparent to MNs

    • Host Identity Protocol v2 introduces HIP layer between routing and transport with IP addresses for routing only and identification via Host Identity Tag based on public keys

    • Locator/ID Separation Protocol introduces a new routing concept with tunneling for data transport and no changes to hosts or core, using RLOC for routing and EID for identification

    Mobile IP: Limitations of Conventional TCP/IP and Operation of Mobile IPv4 and IPv6

    • Conventional TCP/IP has limitations as the IP address is used for routing packets and also as an end-point identifier for applications in end-hosts.

    • A TCP connection cannot survive any address change because it relies on the socket to determine a connection.

    • Mobile IP creates an “anchor” for a mobile host that takes care of packet forwarding and location management.

    • Mobile IP was designed to be compatible with existing network protocols, transparent to higher layers and users, scalable and efficient, and secure due to changing locations of the mobile node.

    • Mobile IPv4 was introduced in 1996 and revised in 2002, while Mobile IPv6 was introduced in 2004.

    • The major components of Mobile IP are a Home Agent (HA), Foreign Agent (FA), and Mobile Node (MN).

    • The mobile node is assigned a home network IP address that is static, and it can move to another network, which is a foreign network.

    • The mobile node registers with a network node on the foreign network, which is the foreign agent, and gives a care-of address to the agent on the home network, which is the home agent.

    • Mobile IP supports discovery, registration, and tunneling capabilities.

    • The mobile node is responsible for the ongoing discovery process to identify prospective home and foreign agents.

    • The home agent intercepts IP datagrams sent to the mobile node's home address and forwards them to the care-of address via tunneling.

    • Mobile IPv6 introduced new messages and options, such as Binding Update (BU) and Binding Acknowledgement (BAck), and new destination options and routing header types.Summary of Mobile IPv6, Proxy MIPv6, IP Micro-mobility support, and Locator/ID split

    • The binding lifetime of CN is near expiration

    • Mobile IPv6 supports CoA auto-configuration with DAD required, route optimization, and strong security between MN and HA, but weak security between MN and CN

    • Handover latency for standard MIPv6 is up to 2.5 seconds

    • Host-based MIPv4/v6 has not been widely deployed due to heavy implementation specifications and battery and air resource concerns

    • Proxy MIPv6 is designed to provide mobility support to any IPv6 host without requiring the host to participate in any mobility-related signaling and with no change in the MN protocol stack required

    • PMIPv6 introduces new entities, LMA and MAG, and assumes a point-to-point link between MN and MAG with a per-MN prefix model

    • PMIPv6 features include home in any place, proxy registration, M:1 tunnel, and LMA prefix-based routing

    • IP micro-mobility support enables efficient local handover inside a foreign domain without involving a home agent and is important for security, efficiency, scalability, transparency, and manageability

    • Hierarchical Mobile IPv6 reduces control traffic on the backbone and minimizes the number of overall changes to routing tables but requires decentralized security-critical functionality and is not transparent to MNs

    • Host Identity Protocol v2 introduces HIP layer between routing and transport with IP addresses for routing only and identification via Host Identity Tag based on public keys

    • Locator/ID Separation Protocol introduces a new routing concept with tunneling for data transport and no changes to hosts or core, using RLOC for routing and EID for identification

    Mobile IP: Limitations of Conventional TCP/IP and Operation of Mobile IPv4 and IPv6

    • Conventional TCP/IP has limitations as the IP address is used for routing packets and also as an end-point identifier for applications in end-hosts.

    • A TCP connection cannot survive any address change because it relies on the socket to determine a connection.

    • Mobile IP creates an “anchor” for a mobile host that takes care of packet forwarding and location management.

    • Mobile IP was designed to be compatible with existing network protocols, transparent to higher layers and users, scalable and efficient, and secure due to changing locations of the mobile node.

    • Mobile IPv4 was introduced in 1996 and revised in 2002, while Mobile IPv6 was introduced in 2004.

    • The major components of Mobile IP are a Home Agent (HA), Foreign Agent (FA), and Mobile Node (MN).

    • The mobile node is assigned a home network IP address that is static, and it can move to another network, which is a foreign network.

    • The mobile node registers with a network node on the foreign network, which is the foreign agent, and gives a care-of address to the agent on the home network, which is the home agent.

    • Mobile IP supports discovery, registration, and tunneling capabilities.

    • The mobile node is responsible for the ongoing discovery process to identify prospective home and foreign agents.

    • The home agent intercepts IP datagrams sent to the mobile node's home address and forwards them to the care-of address via tunneling.

    • Mobile IPv6 introduced new messages and options, such as Binding Update (BU) and Binding Acknowledgement (BAck), and new destination options and routing header types.Summary of Mobile IPv6, Proxy MIPv6, IP Micro-mobility support, and Locator/ID split

    • The binding lifetime of CN is near expiration

    • Mobile IPv6 supports CoA auto-configuration with DAD required, route optimization, and strong security between MN and HA, but weak security between MN and CN

    • Handover latency for standard MIPv6 is up to 2.5 seconds

    • Host-based MIPv4/v6 has not been widely deployed due to heavy implementation specifications and battery and air resource concerns

    • Proxy MIPv6 is designed to provide mobility support to any IPv6 host without requiring the host to participate in any mobility-related signaling and with no change in the MN protocol stack required

    • PMIPv6 introduces new entities, LMA and MAG, and assumes a point-to-point link between MN and MAG with a per-MN prefix model

    • PMIPv6 features include home in any place, proxy registration, M:1 tunnel, and LMA prefix-based routing

    • IP micro-mobility support enables efficient local handover inside a foreign domain without involving a home agent and is important for security, efficiency, scalability, transparency, and manageability

    • Hierarchical Mobile IPv6 reduces control traffic on the backbone and minimizes the number of overall changes to routing tables but requires decentralized security-critical functionality and is not transparent to MNs

    • Host Identity Protocol v2 introduces HIP layer between routing and transport with IP addresses for routing only and identification via Host Identity Tag based on public keys

    • Locator/ID Separation Protocol introduces a new routing concept with tunneling for data transport and no changes to hosts or core, using RLOC for routing and EID for identification

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    Description

    Test your knowledge on the limitations of conventional TCP/IP and the operation of Mobile IPv4 and IPv6 with this quiz. From the components of Mobile IP to the new messages and options introduced in Mobile IPv6, this quiz covers the basics of mobile IP and its various features. Test your understanding of CoA auto-configuration, route optimization, and IP micro-mobility support, and learn about new protocols like Proxy MIPv6 and Hierarchical Mobile IPv6. Take this quiz to expand your knowledge

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