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Scalable VPN Routing Via Relaying

Tags:
switching

Overview Enterprise customers are increasingly adopting MPLS (Multiprotocol Label Switching) VPN (Virtual Private Network) service that offers direct any-to-any reachability among the customer sites via a provider network. Unfortunately this direct reachability model makes the service provider's routing tables grow very large as the number of VPNs and the number of routes per customer increase. As a result, router memory in the provider's network has become a key bottleneck in provisioning new customers. This paper proposes Relaying, a scalable VPN routing architecture that the provider can implement simply by modifying the configuration of routers in the provider network, without requiring changes to the router hardware and software.

Further White Paper Details
Publisher	Association for Computing Machinery	File Format	PDF
Date Published	June 2008
Format	White Papers
Topics	Switching, Scalability, VPNs

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