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Understanding High Availability of IP and MPLS Networks

Chapter Description

This chapter describes major sources of network failures and provides an overview of techniques that are commonly used to improve availability of IP/MPLS networks. In particular, this chapter outlines mechanisms for reducing network downtime due to control-plane failures.

References

1 Heavy Reading Analysts, "2004 Survey of Carrier Attitudes Toward IP/MPLS Backbones and VPNs," Heavy Reading Report, Vol. 2, No. 4, January 2004.

2 Network Strategy Partners, "Reliable IP Nodes: A Prerequisite to Profitable IP Services," White Paper, November 2002.

3 Ahuja, A., F. Jahanian, and C. Labovitz, "Experimental Study of Internet Stability and Wide-Area Backbone Failures," Proceeding of 29th International Symposium on Fault-Tolerant Computing, June 1999.

4 Heywood, P., and M. Reardon, "IP Reliability," Light Reading Report, March 2003.

5 Fang, L., "Security Framework for Provider Provisioned Virtual Private Networks," IETF work in progress, July 2004.