SBM (Subnet Bandwidth Manager): A Protocol for RSVP-based Admission Control over IEEE 802-style networks (RFC2814)
Original Publication Date: 2000-May-01
Included in the Prior Art Database: 2019-Feb-10
Internet Society Requests For Comment (RFCs)
R. Yavatkar: AUTHOR [+4]
This document describes a signaling method and protocol for RSVP-based admission control over IEEE 802-style LANs. [STANDARDS-TRACK]
Network Working Group R. Yavatkar Request for Comments: 2814 Intel Category: Standards Track D. Hoffman Teledesic Y. Bernet Microsoft F. Baker Cisco M. Speer Sun Microsystems May 2000
SBM (Subnet Bandwidth Manager): A Protocol for RSVP-based Admission Control over IEEE 802-style networks
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.
Copyright (C) The Internet Society (2000). All Rights Reserved.
This document describes a signaling method and protocol for RSVP- based admission control over IEEE 802-style LANs. The protocol is designed to work both with the current generation of IEEE 802 LANs as well as with the recent work completed by the IEEE 802.1 committee.
New extensions to the Internet architecture and service models have been defined for an integrated services Internet [RFC-1633, RFC-2205, RFC-2210] so that applications can request specific qualities or levels of service from an internetwork in addition to the current IP best-effort service. These extensions include RSVP, a resource reservation setup protocol, and definition of new service classes to be supported by Integrated Services routers. RSVP and service class definitions are largely independent of the underlying networking technologies and it is necessary to define the mapping of RSVP and Integrated Services specifications onto specific subnetwork technologies. For example, a definition of service mappings and
Yavatkar, et al. Standards Track [Page 1]
RFC 2814 SBM (Subnet Bandwidth Manager) May 2000
reservation setup protocols is needed for specific link-layer technologies such as shared and switched IEEE-802-style LAN technologies.
This document defines SBM, a signaling protocol for RSVP-based admission control over IEEE 802-style networks. SBM provides a method for mapping an internet-level setup protocol such as RSVP onto IEEE 802 style networks. In particular, it describes the operation of RSVP-enabled hosts/routers and link layer devices (switches, bridges) to support reservation of LAN resources for RSVP-enabled data flows. A framework for providing Integrated Services over shared and switched IEEE-802-style LAN technologies and a definition of service mappings have been described in separate documents [RFC- FRAME, RFC-MAP].
2. Goals and Assumptions
The SBM (Subnet Bandwidth Manager) protocol and its use for admission control and bandwidth management in IEEE 802 level-2 networks is based on the following architectural goals and assumptions:
I. Even though the current trend is towards increased use of switched LAN topologies consisting of newer switches that support the priority queuing mechanisms specified by IEEE 802.1p, we as...