Link Management Protocol extensions for optical plug and play

Document Type Expired Internet-Draft (individual)
Authors Rie Hayashi  , Kohei Shiomoto 
Last updated 2010-07-08
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


Generalized Multiprotocol Label Switching (GMPLS) control plane (c-plane) is expected to reduce operational expenditure (OPEX). Currently we need to, however, manually configure interface addresses of links before we advertise the link-state using a GMPLS routing protocol for an automatic topology discovery mechanism. Especially in Wavelength Division Multiplexing (WDM) networks, there are a number of optical fibers between neighbor nodes, each of which again carries a bunch of wavelength links. It is a tedious task to configure interface addresses of wavelength links between neighbor nodes. In order to suppress the tasks of configuring addresses of wavelength links between neighbor nodes, an optical plug and play (PnP) technique is effective. Optical PnP includes automatic assignment of interface addresses, parameter information exchange between neighbor nodes, database construction, and so on. This document assumes to use extended version of LMP (link management protocol) for information exchange and describes LMP extension necessary for applying to the optical PnP.


Rie Hayashi (
Kohei Shiomoto (

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