A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Link Management Protocol (LMP) extensions for G.709 Optical Transport Networks
Author(s) : F. Zhang, et al.
Filename : draft-zhang-ccamp-gmpls-g709-lmp-discovery-00.txt
Pages : 15
Date : 2009-09-18
Recent progress of the Optical Transport Network (OTN) has introduced
new signal types (i.e., ODU0, ODU4, ODU2e, ODU3e1, ODU3e2 and ODUflex)
and new Tributary Slot granularity (1.25Gbps).
Since equipments deployed prior to recently defined ITU-T
recommendations only support 2.5 Gbps Tributary Slot granularity and
Zhang
Expires March 2010
[page 1]
draft-zhang-ccamp-gmpls-g.709-lmp-discovery-00.txt
September 2009
ODU1, ODU2 and ODU3 containers, the compatibility problem should be
considered. In addition, a Higher Order ODU (HO ODU) link may not
support all the types of Lower Order ODU (LO ODU) signals defined by
the new OTN standards because of the limitation of the devices at the
two ends of a link. In these cases, the control plane is required to
run the capability discovering functions for the evolving OTN.
This document describes the extensions to the Link Management
Protocol (LMP) needed to discover the capability of HO ODU link,
including the granularity of Tributary Slot to be used and the LO ODU
signal types that the link can support.
Conventions used in this document
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
document are to be interpreted as described in [RFC2119].
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