Skip to main content

Towards Milli-Second IGP Convergence
draft-alaettinoglu-isis-convergence-00

Document Type Expired Internet-Draft (individual)
Expired & archived
Authors Cengiz Alaettinoglu , Van Jacobson
Last updated 2000-11-22
RFC stream (None)
Intended RFC status (None)
Formats
Stream Stream state (No stream defined)
Consensus boilerplate Unknown
RFC Editor Note (None)
IESG IESG state Expired
Telechat date (None)
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft is available in these formats:

Abstract

It is possible for link-state routing protocols to converge in link propagation time scales, that is, in tens of milliseconds. However, current deployments of ISIS[ISIS-ISO][ISIS-IP], a link-state routing protocol, are not anywhere near this point. In this paper, we present some analyses of ISIS convergence by showing its behavior upon link/router failures and repairs, and its scaling properties to large networks, both in terms of number of nodes and links. We then explore changes needed in the ISIS specification and implementations to reach IGP convergence in milliseconds. Our results are based on experimentation done with ISIS, but some of the findings may apply to OSPF as well.

Authors

Cengiz Alaettinoglu
Van Jacobson

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)