Table of Contents Abstract 1.0 Introduction 2.0 Definitions 3.0 Traffic Engineering Model

Internet-Drafts are draft documents valid for a maximum of six months and may be updated, replaced, or obsoleted by other documents at any time. It is inappropriate to use Internet-Drafts as reference material or to cite them other than as "work in progress." ABSTRACT This is an informational document submitted in response to a request from the IETF Traffic Engineering Working Group (TEWG) for service provider uses, requirements, and desires for traffic engineering best current practices. As such, the work sets a direction for routing and traffic performance management in networks based on traffic engineering (TE) and QoS best current practices and operational experience, such as used in the AT&T dynamic routing/class-of-service network. Analysis models are used to demonstrate that these currently operational TE/QoS methods and best current practices are extensible to Internet TE and packet networks in general. The document describes, analyzes, and recommends TE methods which control a network's response to traffic demands and other stimuli, such as link failures or node failures. These TE methods include: a) traffic management through control of routing functions, which include call routing, connection routing, QoS resource management, routing table management, and dynamic transport routing. b) capacity management through control of network design, including routing design. c) TE operational requirements for traffic management and capacity management, including forecasting, performance monitoring, and short-term network adjustment.