Interconnection of token rings by IEEE 802.6 metropolitan area networks

IEEE INFOCOM '89, Proceedings of the Eighth Annual Joint Conference of the IEEE Computer and Communications Societies Pub Date : 1989-04-23 DOI:10.1109/INFCOM.1989.101544

R. Vallee, L. Orozco-Barbosa, N. Georganas

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引用次数: 5

Abstract

A performance study is presented of the proposed IEEE 802.6 standard (DQDB MAN) used as a backbone loop network in packet-switching mode to interconnect token rings that operate as specified in the ANSI/IEEE 802.5 standard. Interconnection between DQDB and token rings is provided by gateways that use assembly and segmentation processors and limited buffer sizes. The authors consider a network architecture in which Type 2 of the IEEE 802.2 logical-link-control (LLC) standard is used as end-to-end protocol between stations on the token rings. The use of the former and current DQDB slot formats are compared. Several window sizes, different policy schemes, and various traffic intensities and bit rates in token rings are also considered. Using the current DQDB slot size, results show that higher access priority should be allocated to the gateways in the token rings and also show the importance of reducing the time caused by the segmentation of packets in the gateways.<>

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ieee802.6城域网令牌环互连

在分组交换模式下，作为骨干环路网络，将按ANSI/IEEE 802.5标准规定操作的令牌环互连起来。DQDB和令牌环之间的互连由使用汇编和分段处理器以及有限缓冲区大小的网关提供。作者考虑了一种网络架构，其中使用IEEE 802.2逻辑链路控制(LLC)标准的Type 2作为令牌环上站点之间的端到端协议。比较了以前和当前DQDB槽格式的使用情况。还考虑了不同的窗口大小、不同的策略方案以及令牌环中的各种流量强度和比特率。使用当前的DQDB槽大小，结果表明应该为令牌环中的网关分配更高的访问优先级，并且还显示了减少网关中数据包分段所导致的时间的重要性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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IEEE INFOCOM '89, Proceedings of the Eighth Annual Joint Conference of the IEEE Computer and Communications Societies

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