| 一种协商式生成树协议 |
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| 引用本文： | 范兴刚,任敏,王万良. 一种协商式生成树协议[J]. 浙江工业大学学报, 2007, 35(3): 295-299 |
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| 作者姓名： | 范兴刚 任敏 王万良 |
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| 作者单位： | 浙江工业大学,软件学院,浙江,杭州,310032 |
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| 基金项目： | 国家自然科学基金;浙江省科技攻关项目 |
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| 摘 要： | 在交换式以太网中,怎样维护无环路的拓扑结构,如何最大限度地缩小网络的转发延迟,是本文的研究重点.笔者提出一种为每个虚拟局域网建造一个树结构的协商式生成树协议.在BPDU中加入标示性能的标志,交换机根据这个标志为每个VLAN生成、维护一个稳定的树结构,使交换机端口由阻止状态到转发状态的延迟明显缩短,提高了网络的实时特性.最后运用多层交换完成虚拟局域网之间的通信.这个算法能够快速收敛,缩小交换机端口的转发延迟,提高网络的实时特性.
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| 关 键 词： | 交换式以太网 转发延迟 协商式生成树协议 实时性 |
| 文章编号： | 1006-4303（2007）03-0295-05 |
| 修稿时间： | 2006-10-25 |
A negotiated spanning tree protocol |
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| FAN Xing-gang,REN Min,WANG Wan-liang. A negotiated spanning tree protocol[J]. Journal of Zhejiang University of Technology, 2007, 35(3): 295-299 |
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| Authors: | FAN Xing-gang REN Min WANG Wan-liang |
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| Affiliation: | College of Software, Zhejiang University of Technology, Hangzhou 310032, China |
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| Abstract: | we pay emphases on how to maintain no-loop topology structure and how to decrease farthest the transmitting delay in a switched Ethernet.We put forward a Spanning-Tree Protocol based on negotiation(STPN).A tree is created and maintained by the switch for every VLAN according to the mark affiliated in BPDU.It can cut down the delay from the block state to transmitting state obviously and improve the real-time characteristic in the Ethernet.The couumication between VLAN is realized through muliti-layer switch.The velocity of convergence in STPN is faster.It can decrease the transmitting delay at the port of switch and improve the real-time characteristic in the switched Ethernet. |
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| Keywords: | sdwitched Ethernet transmitting delay STPN real-time characteristic |
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