Virtual queueing techniques for UBR+ service in ATM with fair access and minimum bandwidth guarantee

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Description

The ATM Forum is currently discussing the need for a new best-effort service called UBR+, which is an enhancement to the existing UBR service, to support data traffic. The objective of the UBR+ service is to provide each user with a minimum service rate guarantee and a fair access to any excess available bandwidth. In this paper, the authors present a new efficient scheme for supporting this service. The key advantage of the scheme is that it employs only FIFO queueing (instead of per-VC queueing) and admits simple implementation in ATM switches. The ideas involve a simple scheduling mechanism that ... continued below

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5 p.

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Siu, K.Y.; Wu, Y. & Ren, W. November 1, 1998.

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Description

The ATM Forum is currently discussing the need for a new best-effort service called UBR+, which is an enhancement to the existing UBR service, to support data traffic. The objective of the UBR+ service is to provide each user with a minimum service rate guarantee and a fair access to any excess available bandwidth. In this paper, the authors present a new efficient scheme for supporting this service. The key advantage of the scheme is that it employs only FIFO queueing (instead of per-VC queueing) and admits simple implementation in ATM switches. The ideas involve a simple scheduling mechanism that is based on per-VC queueing and incorporate the virtual queueing technique that can efficiently emulate per-VC queueing on a shared FIFO queue. Simulation results are presented to show that the schemes can deliver almost ideal performance for supporting the new service requirements of UBR+.

Physical Description

5 p.

Notes

OSTI as DE99000022

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  • Other Information: PBD: [1998]

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  • Other: DE99000022
  • Report No.: DOE/ER/25273--T1-Pt.2
  • Grant Number: FG03-95ER25273
  • DOI: 10.2172/666138 | External Link
  • Office of Scientific & Technical Information Report Number: 666138
  • Archival Resource Key: ark:/67531/metadc703720

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  • November 1, 1998

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • Feb. 20, 2017, 1:48 p.m.

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Siu, K.Y.; Wu, Y. & Ren, W. Virtual queueing techniques for UBR+ service in ATM with fair access and minimum bandwidth guarantee, report, November 1, 1998; Cambridge, Massachusetts. (digital.library.unt.edu/ark:/67531/metadc703720/: accessed September 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.