An Absolute DiffServ Scheme for OBS Networks

YUAN Wei; LIU Wei; CHENG Wen-qing

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An Absolute DiffServ Scheme for OBS Networks

更新时间：2025-07-16

- An Absolute DiffServ Scheme for OBS Networks
- Acta Electronica Sinica Vol. 36, Issue 1, Pages: 51-56(2008)
- 作者机构：
  
  华中科技大学湖北省智能互联网技术重点实验室,湖北,武汉,430074
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP393.14
- Published：2008
- 稿件说明：
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YUAN Wei, LIU Wei, CHENG Wen-qing. An Absolute DiffServ Scheme for OBS Networks[J]. Acta Electronica Sinica, 2008, 36(1): 51-56.
DOI：

YUAN Wei, LIU Wei, CHENG Wen-qing. An Absolute DiffServ Scheme for OBS Networks[J]. Acta Electronica Sinica, 2008, 36(1): 51-56. DOI：

摘要

该文提出了一种用于OBS网络的绝对区分服务实现机制PSPJET.该机制结合使用额外偏移时间和Burst抢占/Burst主动分段丢弃技术

既能确保保证业务的数据丢失率不高于要求的最大丢失率

还能有效降低非保证业务的数据丢失率

提高网络性能.和现有的APJET机制相比

PSPJET机制对高业务强度的承受能力更好

还具有无需使用光缓存的优点.

Abstract

This paper presented an absolute diffserv scheme called PSPJET for OBS networks.The scheme combines the extra offset time and Burst Preemption/Burst active segment dropping.This scheme can ensure that the data loss rate of the guaranteed traffic will not exceed a maximum and the data loss rate of the non-guaranteed traffic is kept to minimum.Compared with the APJET scheme

this scheme can endure higher traffic intensity and needs no optical buffers.

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