Intra-Domain Delay-Based Quality of Service Using Differentiated Routing
MMNS '08 Proceedings of the 11th IFIP/IEEE international conference on Management of Multimedia and Mobile Networks and Services: Management of Converged Multimedia Networks and Services
On basic properties of fault-tolerant multi-topology routing
Computer Networks: The International Journal of Computer and Telecommunications Networking
Multiple routing configurations for fast IP network recovery
IEEE/ACM Transactions on Networking (TON)
Can critical real-time services of public infrastructures run over ethernet and MPLS networks?
NETWORKING'08 Proceedings of the 7th international IFIP-TC6 networking conference on AdHoc and sensor networks, wireless networks, next generation internet
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Most existing methods for network recovery are often complex and seldom used by network administrators. In this paper we present a novel approach for global and local recovery named Resilient Routing Layers (RRL). The method is supported by algorithms, but also simple enough for a network administrator to implement by hand for reasonably sized networks. The idea in our approach is that for each node in the network there is a topology subset called a "safe layer", which can handle any traffic affected by a fault in the node itself, or any of its links. We demonstrate that our approach performs well compared to other comparable methods in a wide range of different network topologies. Particularly, we demonstrate RRLs performance for what are assumed to be the weakest parameters for our method, i.e., backup-path lengths and state information overhead. We discuss implementation issues of RRL, and demonstrate its applicability to MPLS networks.