BFRA: bounded flooding routing algorithm for provisioning the globally optimal route in a hierarchical ATM network

摘要

ATM virtual path (VP) contains bundles of virtual channels (VCs). A VP layer network can be used as a server layer network of VC layer networks and each VC layer network can be a client layer. Therefore, the effective provision of VC services can be achieved by the more optimal routing scheme of the VP layer network. However, the traditional hierarchical routing scheme of PNNI signaling protocol does not provide the globally optimal route in hierarchical transport network due to its successive network partitioning and topology abstraction.