Routing in the Internet
Design and Evaluation of Distributed Link and Path Restoration Algorithms for ATM Meshed Networks
IZS '96 Proceedings of the 1996 International Zurich Seminar on Digital Communications: Broadband Communications - Networks, Services, Applications, Future Directions
Emerging technologies for fiber network survivability
IEEE Communications Magazine
End-to-end survivable broadband networks
IEEE Communications Magazine
Self-healing virtual path architecture in ATM networks
IEEE Communications Magazine
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The first part of this paper discusses interworking between survivable sub-networks in transport networks. The second part then presents a novel generic interworking configuration to protect gateways in between survivable sub-networks. A gateway comprises the network resources interconnecting neighboring survivable sub-networks. The issue of gateway failures is relevant to both public as well as private networks where traffic may cross multiple sub-networks operated by different organizations. The proposed configuration is simple, achieves fast recovery of any single failure and requires only minimal co-ordination. The configuration has been simulated for a mesh-mesh and a ring-mesh structured survivable ATM layer network.