Dynamics of hot-potato routing in IP networks
Proceedings of the joint international conference on Measurement and modeling of computer systems
Achieving sub-second IGP convergence in large IP networks
ACM SIGCOMM Computer Communication Review
Achieving sub-50 milliseconds recovery upon BGP peering link failures
CoNEXT '05 Proceedings of the 2005 ACM conference on Emerging network experiment and technology
Fast local rerouting for handling transient link failures
IEEE/ACM Transactions on Networking (TON)
Loop-free alternates and not-via addresses: A proper combination for IP fast reroute?
Computer Networks: The International Journal of Computer and Telecommunications Networking
Minimum backup configuration-creation method for IP fast reroute
GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
| Hi-index | 0.00 |
Five nines availability is being expected from IP networks due to the growing popularity of IP telephony and the increasing usage of the Internet for mission-critical applications. This necessitates enhancing the resiliency of IP networks against transient failures that are observed to happen relatively frequently even in well-managed networks. Towards that end, we proposed failure inferencing based fast rerouting (FIFR) approach that exploits the existence of a forwarding table per line-card, for lookup efficiency in current routers, to provide fast rerouting similar to MPLS, while adhering to the destination-based forwarding paradigm. Earlier, we have shown that FIFR can deal with either single link or single node failures in a network consisting of point-to-point links with symmetric link weights. In this paper, we generalize FIFR to handle both link and node failures in networks with asymmetric link weights and multi-access links too. Furthermore, we apply FIFR for protecting against inter-AS failures also. With these extensions, we argue that FIFR elevates the resiliency of any IP network with minimal changes to the forwarding and routing planes.