Requests for Comments (RFCs)

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

• RFC 2474, Definition of the Differentiated Services Field, which describes an enhancement to the ToS or DS fields of the IPv4 and IPv6 packet headers to support differentiated services.

• RFC 2475, An Architecture for Differentiated Services, which provides a detailed description of the organization and modules of the diffserv architecture.

• RFC 2597, Assured Forwarding PHB Group, which describes how the assured forwarding (AH) per-hop behavior works.

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

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