Analysis of shared memory priority queues with two discard levels

Shlomi Bergida, Yuval Shavitt

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Two rate SLAs become increasingly popular in today's Internet, allowing a customer to save money by paying one price for committed traffic and a much lower price for additional traffic which is not guaranteed. These type of SLAs are suggested for all types of traffic from best effort to QoS constraint applications. In access networks, where these SLAs are prevalent, shared memory switches is a common architecture. Thus, dimensioning and management of shared memory queues for multiple priorities each with two levels of guarantees becomes an interesting challenge. We present a simple analysis of a multipriority multi discard level system controlled by a buffer occupancy threshold policy aimed at assuring service level agreement compliance for conforming (i.e., committed) traffic, and performance maximization for non-conforming (i.e., excess) traffic. Our analysis shows how the different system parameters: total buffer size, threshold position, and offered load control performance for the committed and excess traffic. Our results allow assuring high service level agreement compliance for conforming traffic, and performance maximization for non-conforming traffic.

Original languageEnglish
Title of host publication2006 IEEE 24th Convention of Electrical and Electronics Engineers in Israel, IEEEI
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages42-46
Number of pages5
ISBN (Print)1424402301, 9781424402304
DOIs
StatePublished - 2006
Event2006 IEEE 24th Convention of Electrical and Electronics Engineers in Israel, IEEEI - Eilat, Israel
Duration: 15 Nov 200617 Nov 2006

Publication series

NameIEEE Convention of Electrical and Electronics Engineers in Israel, Proceedings

Conference

Conference2006 IEEE 24th Convention of Electrical and Electronics Engineers in Israel, IEEEI
Country/TerritoryIsrael
CityEilat
Period15/11/0617/11/06

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