rfc3294 - Network Working Group A Doria Request for...

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Network Working Group A. Doria Request for Comments: 3294 Lulea University of Technology Category: Informational K. Sundell Nortel Networks June 2002 General Switch Management Protocol (GSMP) Applicability Status of this Memo This memo provides information for the Internet community. It does not specify an Internet standard of any kind. Distribution of this memo is unlimited. Copyright Notice Copyright (C) The Internet Society (2002). All Rights Reserved. Abstract This memo provides an overview of the GSMP (General Switch Management Protocol) and includes information relating to its deployment in a IP network in an MPLS environment. It does not discuss deployment in an ATM (Asynchronous Transfer Mode) network or in a raw ethernet configuration. 1. Overview The General Switch Management Protocol (GSMP) has been available to the IETF community for several years now as informational RFCs. Both GSMPv1.1 (released in March 1996 as RFC 1987 [2]) and GSMPv2.0 (released in August 1998 as RFC 2297 [3]) are available. Several vendors have implemented GSMPv1.1. In V1.1 and V2 GSMP was intended only for use with ATM switches. During the course of the last two years, the GSMP working group has decided to expand the purview of GSMP to the point where it can be used to control a number of different kinds of switch and can thus live up to what its name indicates; a general switch management protocol. To do this, commands and arguments needed to be generalised and sections needed to be added, discussing the manner in which the generalised protocol could be applied to specific kinds of switches and port types. In short, the protocol has gone through major changes in the last 24 months. Doria & Sundell Informational [Page 1]
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RFC 3294 GSMP Applicability June 2002 GSMP provides an interface that can be used to separate the data forwarder from the routing and other control plane protocols such as LDP. As such it allows service providers to move away from monolithic systems that bundle the control plane and the data plane into a single tightly coupled system - usually in a single chassis. Separating the control components from the forwarding components and using GSMP for switch management, enables service providers to create multi-service systems composed of various vendors equipment. It also allows for a more dynamic means of adding services to their networks. The IETF GSMP working group was established in the routing area because GSMP was being seen as an optional part of the MPLS solution. In a MPLS system, it is possible to run the routing protocols and label distribution protocols on one system while passing data across a generic switch, e.g., an ATM switch. GSMP provides the switch resource management mechanism needed in such a scenario. GSMP has also been selected by the Multiservice Switching Forum (MSF)
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rfc3294 - Network Working Group A Doria Request for...

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