In one embodiment, information is exchanged between independent control planes of
different layers in a multilayer network, such as, but not limited to, between a packet …

In one embodiment, negotiation is performed between the client-layer (eg, Layer-3 or Layer-
2) network and the server layer (eg, optical) network to establish a path through the server …

In one embodiment, a particular device within a client-layer network maintains client-layer
topology information including server-layer Shared Risk Link Group (SRLG) information of …

A communication network that employs a plurality of multi endpoint (MEP) optical
transceivers in a leaf (or function ally similar) layer thereof. The use of MEP optical trans …

A method for operating a network and a network architecture implementing the method are
described. The method, in one embodiment, begins by grouping a plurality of nodes into …

Current network switching architectures require communication with a higher level network
control plane, which can be slow to reroute communications, resulting in unacceptable …

Associated with an optical transport system, a packet oriented supervisory network provides
differentiated classes of service (CoS) for a plurality of WDM layer applications on diverse …

(57) ABSTRACT A method and apparatus provide a network element and associated control
system in a broadcast optical communi cations network, including an optical Switch (Switch …

In accordance with the teachings of the present invention, distribution components for a
wavelength-sharing network are provided. In a particular embodiment, a distribution node …

The present invention relates generally to communication networks. More particularly, the
present invention relates to systems and methods for administrative boundaries in a single …