| 摘要 |
<p>The present invention provides a VP protection system and a VP protection method which forward messages quickly to nodes on an ATM network when an error occurs on the ATM network and reduce an error recovery time. The VP protection system, for use on an ATM network that includes a plurality of ATM nodes performing protection, a plurality of working VPs, and a plurality of standby VPs, exchanges messages among ATM nodes when an error occurs, one group of VPs at a time. An intermediate ATM node in a standby path at least comprises a VPG resource information management table, a VP resource information management table, a VPG configuration information management table, a VPG switching message receiving circuit, a VPG switching message sending circuit, node resource management circuits, a VPG resource allocation circuit, a VP expansion circuit, and a VP resource distribution circuit.</p> |
