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Unformatted text preview: Network Working Group M. Eder Request for Comments: 3052 Nokia Category: Informational S. Nag January 2001 Service Management Architectures Issues and Review 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 (2001). All Rights Reserved. Abstract Many of the support functions necessary to exploit the mechanisms by which differing levels of service can be provided are limited in scope and a complete framework is non-existent. Various efforts at such a framework have received a great deal of attention and represent a historical shift in scope for many of the organizations looking to address this problem. The purpose of this document is to explore the problems of defining a Service management framework and to examine some of the issues that still need to be resolved. 1. Introduction Efforts to provide mechanisms to distinguish the priority given to one set of packets, or flows, relative to another are well underway and in many modern IP networks, best effort service will be just one of the many services being offered by the network as opposed to it being the only service provided. Unfortunately, many of the support functions necessary to exploit the mechanisms by which network level service can be provided are limited in scope and a complete framework is non-existent. Compounding the problem is the varied understanding of exactly what the scope of "service" is in an IP network. IP, in contrast to connection oriented network technologies, will not be able to limit the definition of service management simply to end to end connectivity, but will combine service management with regards to transport with the service requirements of the actual applications and how they are using the network. The phenomenal growth in data networks as well as the growth in application bandwidth usage has had the consequence that the existing methods of management are not sufficient to handle the growing demands of scale and complexity. Eder & Nag Informational [Page 1] RFC 3052 Service Management Architectures January 2001 The network and service management issue is going to be a major problem facing the networks of the future. This realization is a significant motivating factor in various efforts within the IP community which has been traditionally reluctant to take on issues of this type . The purpose of this document is to explore the problems of developing a framework for managing the network and services and to examine some of the issues that recent efforts have uncovered. 2. The Problem of Management Standards Network and service level issues traditionally are handled in IP networks by engineering the network to provide the best service possible for a single class of service. Increasingly there is a desire that IP networks be used to carry data with specific QoS constraints. IP networks will require a tremendous amount of...
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This note was uploaded on 09/13/2009 for the course EE 6345 taught by Professor Cantrell during the Spring '09 term at University of Texas at Dallas, Richardson.
- Spring '09