业务优先级感知的网络流量调度机制

吕华辉; 林志达; 黄宏聪

doi:10.11959/j.issn.1000−0801.2017224

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业务优先级感知的网络流量调度机制

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- 业务优先级感知的网络流量调度机制
- Service priority-aware network traffic scheduling mechanism
- 电信科学 2017年33卷第7期页码：151-158
- 作者机构：
- 作者简介：
  
  [ "吕华辉（1968−），男，中国南方电网有限责任公司高级工程师，主要研究方向为网络安全。" ]
  [ "林志达（1983−），男，中国南方电网有限责任公司高级工程师，主要研究方向为信息系统运行和安全管理。" ]
  [ "黄宏聪（1987−），男，中国南方电网有限责任公司高级工程师，主要研究方向为信息网络设计、建设与运维管理。" ]
- 基金信息：
  
  国家高技术研究发展计划（“863”计划）基金资助项目;The National High Technology Research and Development Program (863 Program)(2012AA050801);国家电网公司科技基金资助项目;State Grid Corporation of Science and Technology Project(5455H7150035)
- DOI：10.11959/j.issn.1000−0801.2017224
  中图分类号： TN915
- 网络出版日期：2017-07，
  
  纸质出版日期：2017-07-20
- 稿件说明：
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吕华辉, 林志达, 黄宏聪. 业务优先级感知的网络流量调度机制[J]. 电信科学, 2017,33(7):151-158.

Huahui LV, Zhida LIN, Hongcong HUANG. Service priority-aware network traffic scheduling mechanism[J]. Telecommunications science, 2017, 33(7): 151-158.
吕华辉, 林志达, 黄宏聪. 业务优先级感知的网络流量调度机制[J]. 电信科学, 2017,33(7):151-158. DOI： 10.11959/j.issn.1000−0801.2017224.

Huahui LV, Zhida LIN, Hongcong HUANG. Service priority-aware network traffic scheduling mechanism[J]. Telecommunications science, 2017, 33(7): 151-158. DOI： 10.11959/j.issn.1000−0801.2017224.

摘要

针对网络中业务数据流过大、分布不均匀所造成的网络拥塞，提出一种优先级感知的动态网络流量调度机制。利用令牌桶算法，根据业务优先级的不同为不同业务分配不同速率的令牌，以实现业务优先级的划分；综合考虑业务的优先级及用户节点剩余缓存空间，对不同的业务采取不同的处理方式；同时，以流量到达因素、服务因素及节点缓存为指标定义了一种网络流量调度机制性能指标——分组丢失率。数值结果表明，所提机制可以对网络中业务优先级进行合理的划分，从而有效利用网络资源，预防网络拥塞，提升网络性能，为用户提供更加稳定可靠的网络服务。

Abstract

In view of the problem that network congestion which caused by the uneven distribution in large traffic data

a priority-aware dynamic network traffic scheduling mechanism was proposed.By using the token bucket algorithm

different buckets of different rates were assigned to different services according to the service priorities.The priorities of the service and the remaining buffer space of the user nodes was taken into account to deal with different services.At the same time

the traffic arrival factor

service factor and node cache were regarded as target to define a network traffic scheduling mechanism performance indicator:packet loss rate.The numerical results show that the proposed mechanism can rationally divide the service priorities in the network

effectively utilize the network resources

prevent the network congestion

enhance the network performance

and provide the users with more stable and reliable network service.

关键词

Keywords

references

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