A flexible rerouting protocol in ATM networks

The paper introduces a protocol for rerouting calls in an ATM network, referred to as the flexible trerouting protocol (FRP). Failure of a VP triggers construction of an alternate VP out of VPs that are not in use, named stand-by VPs, by simple operations at the endpoints of the stand-by VPs. VC rerouting from the failed VP to the alternate VP is performed concurrently. FRP is designed to also allow recovery from repeated failures that may occur during the construction and rerouting process.