Sang-Heon Shin

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We propose a packet lossless fast rerouting scheme at a link/node fault in an MPLS (multiprotocol label switching) network with a minimized buffer delay problem at the ingress node. The proposed scheme uses a predefined, alternative LSP (label switched path) in order to restore user traffic. We propose two restoration approaches: (i) an alternative LSP is(More)
In this paper, we propose a segment restoration scheme based on network partitioning to enhance the restoration performance and to manage network efficiently. The proposed restoration scheme divides a large network into several small sub-networks. Since most faults can be restored in a partitioned sub-network or AS(Autonomous System), restoration time is(More)
In the forthcoming public ATM/B-ISDN, the efficient resource management with pre-planned transit networking which public domain NNI signaling is essential to maintain high network utilization and to assure QoS to the multimedia service users. For this purpose the transit networks must be managed according to the bearer service capability which is defined by(More)
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