基于opendaylight的虚拟网络qos控制系统的设计与实现
首发时间:2018-06-12
摘要:随着网络规模和网络流量的爆炸式增长,网络管理的难度越来越大。在传统网络中qos(quality of service,网络服务质量)由于高复杂度和高开销,一种直没有一个很好的实现方案。sdn(software defned network,软件定义网络)中控制与转发分离的特性,给qos的实现提供了一个非常好的机会。odl(opendaylight)是功能最强大的sdn网络控制器平台,vtn(virtual tenant network,虚拟租户网络)是基于odl的虚拟租户网络模块,在物理网络上为网络租户创建安全可靠的虚拟私有网络。本文利用vtn搭建了一个网络监督和管理平台,能够实时监控网络的时延和带宽信息。该平台修改了odl 源代码,添加了时延探测功能,并能够为网络中的流量实施不同的选路策略。同时,该平台还提供了用户友好的界面和使用方式,用户能够通过访问浏览器,简单地对网络进行监督和管理。
关键词: 计算机系统结构 软件定义网络 odl vtn 服务质量
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design and implementation of qos system of virtual network in opendaylight
abstract:with the explosive growth of network scale and network traffic, network management is becoming more and more difficult. in traditional networks, qos (quality of service) has not implemented a good solution because of its high complexity and high overhead. the separation of controlling and forwarding in sdn (software defined network) provides a very good opportunity for the realization of qos. odl (opendaylight) is the most powerful sdn network controller platform. vtn (virtual tenant network) is a virtual tenant network module based on odl to create a secure and reliable virtual private network for network tenants on a physical network. this paper builds a network monitoring and management platform based on vtn. the platform can monitor network delay and bandwidth information in real time, and can implement different routing strategies for traffic in the network. at the same time, the platform also provides a user-friendly interface. users can simply access the browser to supervise and manage the network.
keywords: computer system structure sdn odl vtn qos
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