White Papers
Resilient Routing Using MPLS and ECMP
Category: Networking and Communications
Tags: mpls, real-time, ip, network, applications
Overview The increasing commercial importance of the Internet together with a rising number of real-time and mission-critical applications make fast resilience mechanisms a major issue for IP network planning and operation. Current IP-layer rerouting is too slow to meet these requirements. Therefore the paper proposes a new approach combining two protocols readily available in every router: The fast local reaction of the Equal-Cost-Multiple-Path extension of OSPF operating on a network with its connectivity enhanced by the introduction of a limited number of MPLS paths in critical areas of the topology. The paper describes an algorithm for the determination of these MPLS paths and its optimization to obtain an equal loading of the physical network links.
- Publisher
- TECHNICAL UNIVERSITY OF MUNICH
- File Format
- Date Published
- Jun 25, 2008
- Format
- White Papers
- Topics
- MPLS, TCP - IP, Switching
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