Podcast
Questions and Answers
What is the discount percentage on VPN ports for 5 to 25 ports on a graded basis?
What is the discount percentage on VPN ports for 5 to 25 ports on a graded basis?
For how many ports does the discount on VPN ports remain at 0%?
For how many ports does the discount on VPN ports remain at 0%?
What is the volume-based discount on MPLS VPN service for revenue between Rs.50 lakhs to 1 Crore?
What is the volume-based discount on MPLS VPN service for revenue between Rs.50 lakhs to 1 Crore?
What are the shifting charges for MPLS VPN & IP VPN Port?
What are the shifting charges for MPLS VPN & IP VPN Port?
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How long is the minimum hiring period for MPLS VPN and IP VPN ports?
How long is the minimum hiring period for MPLS VPN and IP VPN ports?
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What happens to the rent for a lower BW port when upgrading to a higher bandwidth?
What happens to the rent for a lower BW port when upgrading to a higher bandwidth?
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Where are the Local Lead charges included if they are within the local area of a City/Town?
Where are the Local Lead charges included if they are within the local area of a City/Town?
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What discount is applied for an annual revenue of Rs.2 Crore to Rs.5 Crore on MPLS VPN Service?
What discount is applied for an annual revenue of Rs.2 Crore to Rs.5 Crore on MPLS VPN Service?
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What is the volume-based discount on MPLS VPN service for revenue more than Rs.5 Crore?
What is the volume-based discount on MPLS VPN service for revenue more than Rs.5 Crore?
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Study Notes
MPLS VPN Fundamentals
- MPLS (Multiprotocol Label Switching) is a unique feature that controls the entire path of a packet without explicitly specifying the intermediate routers.
- It creates tunnels through intermediary routers that can span multiple segments, used for provisioning MPLS-based VPNs.
MPLS Applications
- Improves packet-forwarding performance in the network by using Layer-2 switching paradigms.
- Simplifies packet forwarding through routers, making it easy to implement.
- Increases network performance by enabling routing by switching at wireline speeds.
- Supports QoS (Quality of Service) and CoS (Class of Service) for service differentiation.
- Uses traffic-engineered path setup to achieve service-level guarantees.
Overlay VPN Model
- Initially implemented by SP (Service Provider) using Layer 1 (physical layer) connectivity or Layer 2 transport circuit between customer sites.
- Customer was responsible for all other layers, and the service provider was not aware of customer routing or routes.
Peer-to-Peer Model
- Developed to overcome the drawbacks of the Overlay model and provide customers with optimal data transport via the SP backbone.
- The service provider actively participates in customer routing, accommodating customers using overlapping address spaces.
- MPLS VPN is an implementation of the peer-to-peer model, exchanging Layer 3 customer routing information and forwarding data between customer sites using the MPLS-enabled SP IP backbone.
MPLS VPN Architecture
- Consists of customer network and provider network.
- Customer network includes devices or routers spanning multiple sites belonging to the customer.
- CE routers interface with the service provider network.
- Provider network consists of provider edge and provider core routers, controlling traffic routing between sites and customer traffic isolation.
Advantages of MPLS over Other Technologies
- BSNL's primary objectives in setting up the BGP/MPLS VPN network include providing a diversified range of services to meet the requirements of various customers.
Pricing and Discounts
- Discounts on VPN ports based on the number of ports, with a graded and non-graded basis.
- Volume-based discounts on MPLS VPN service based on annual revenue.
- Shifting charges, minimum hiring period, and upgradation of port to higher bandwidth policies are outlined.
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Description
Learn about how the MPLS-based VPN model accommodates customers with overlapping address spaces, compared to traditional peer-to-peer models. Understand how customer routing information is exchanged between the MPLS VPN backbone and customer sites.
