The Generalized MPLS (GMPLS) suite of protocol has been defined to
control different switching technologies as well as different
applications. These include support for requesting TDM connections
including SONET/SDH and Optical Transport Networks (OTNs).
This document concentrates on the signaling aspects of the GMPLS
suite of protocols. It identifies the features to be covered by the
signalling protocol to support the capabilities of an Automatically
Switched Optical Network (ASON). This document provides a problem
statement and additional requirements on the GMPLS signaling
protocol to support the ASON functionality.