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General Characterization Parameters for Integrated Service Network Elements (RFC2215)

IP.com Disclosure Number: IPCOM000002773D
Original Publication Date: 1997-Sep-01
Included in the Prior Art Database: 2000-Sep-13
Document File: 13 page(s) / 37K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

S. Shenker: AUTHOR [+2]

Abstract

This memo defines a set of general control and characterization parameters for network elements supporting the IETF integrated services QoS control framework. General parameters are those with common, shared definitions across all QoS control services.

This text was extracted from a ASCII Text document.
This is the abbreviated version, containing approximately 8% of the total text.

Network Working Group S. Shenker

Request for Comments: 2215 J. Wroclawski

Category: Standards Track Xerox PARC/MIT LCS

September 1997

General Characterization Parameters for

Integrated Service Network Elements

Status of this Memo

This document specifies an Internet standards track protocol for the

Internet community, and requests discussion and suggestions for

improvements. Please refer to the current edition of the "Internet

Official Protocol Standards" (STD 1) for the standardization state

and status of this protocol. Distribution of this memo is unlimited.

Abstract

This memo defines a set of general control and characterization

parameters for network elements supporting the IETF integrated

services QoS control framework. General parameters are those with

common, shared definitions across all QoS control services.

1. Introduction

This memo defines the set of general control and characterization

parameters used by network elements supporting the integrated

services framework. "General" means that the parameter has a common

definition and shared meaning across all QoS control services.

Control parameters are used by applications to provide information to

the network related to QoS control requests. An example is the

traffic specification (TSpec) generated by application senders and

receivers.

Characterization parameters are used to discover or characterize the

QoS management environment along the path of a packet flow requesting

active end-to-end QoS control. These characterizations may

eventually be used by the application requesting QoS control, or by

other network elements along the path. Examples include information

about which QoS control services are available along a network path

and estimates of the available path bandwidth.

Individual QoS control service specifications may refer to these

parameter definitions as well as defining additional parameters

specific to the needs of that service.

Parameters are assigned machine-oriented ID's using a method

described in [RFC 2216] and summarized here. These ID's may be used

within protocol messages (e.g., as described in [RFC 2210]) or

management interfaces to describe the parameter values present. Each

parameter ID is composed from two numerical fields, one identifying

the service associated with the parameter (the ), and

the other (the ) identifying the parameter itself.

Because the definitions of the parameters defined in this note are

common to all QoS control services, the values for

the parameters defined here are assigned from the "general

parameters" range (1 - 127).

NOTE: in the range 128 - 254 name parameters

with definitions specific to a particula...