Method and apparatus for guaranteeing a failure-recovery...

Method and apparatus for identifying restoral routes in a networ

Method and apparatus for isolating network failures by applying

Method and apparatus for line and path selection within...

Method and apparatus for managing forwarding of data in an...

Method and apparatus for minimizing contention losses in network

Method and apparatus for nested automatic protection switching

Method and apparatus for pre-provisioning networks to...

Method and apparatus for prioritized release of connections...

Method and apparatus for protection switching in virtual...

Method and apparatus for providing network protection at...

Method and apparatus for reliably communicating information...

Method and apparatus for rerouting an optical network upon...

Method and apparatus for reselection of data trunk upon...

Method and apparatus for restoring a network

Method and apparatus for restoring a network

Method and apparatus for restoring a network

Method and apparatus for restoring a network

Method and apparatus for routing a virtual concatenation...

Method and apparatus for switching messages from a primary...