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QUALITY OF SERVICE POLICY OF POWER INFORMATION NETWORK
Author(s): 
Pages: 64-67
Year: Issue:  13
Journal: AUTOMATION OF ELECTRIC POWER SYSTEMS

Keyword:  计算机网络服务质量队列;
Abstract: 如何在有限的网络资源环境下,充分利用现有带宽,保障关键任务的正常速率传输?文中针对肇庆电力信息网络结构及承载的业务,对业务流进行分类,定义关键业务流,在网络核心层、分布层和接入层采用不同的服务质量(QoS)控制策略.在核心层设备上,开启Cisco的快速交换(CEF)功能,保证数据包的最大努力传输;在分布层设备上,采用Cisco的承诺接入速率(CAR)技术来保障关键业务的带宽,并运用先进先出(FIFO)队列技术结合早期随机检测(RED)拥塞,避免控制机制对链路进行QoS优化;在接入层设备上,利用加权平均队列(WFQ)技术对窄带的链路进行拥塞控制.
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