Requests for Comments (RFCs) About Quality of Service

IPQoS conforms to the specifications that are described in the following RFCs and the following Internet drafts:

• RFC 2474, Definition of the Differentiated Services Field (DS Field) in the IPv4 and IPv6 Headers – Describes an enhancement to the type of service (ToS) field or DS fields of the IPv4 and IPv6 packet headers to support differentiated services

• RFC 2475, An Architecture for Differentiated Services – Provides a detailed description of the organization and modules of the Diffserv architecture

• RFC 2597, Assured Forwarding PHB Group – Describes how the assured forwarding (AF) per-hop behavior works.

• RFC 2598, An Expedited Forwarding PHB – Describes how the expedited forwarding (EF) per-hop behavior works

• Internet-Draft, An Informal Management Model for Diffserv Routers – Presents a model for implementing the Diffserv architecture on routers.