使用DPI技术控制服务器拥塞和减少服务器的功耗

Kohei Yanagisawa, S. Kuribayashi
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引用次数: 2

摘要

深度包检测(DPI)技术通常用于流量监控、带宽控制、带宽分配、特定类型流量的访问控制等。通过在网络中的任意点安装DPI设备,可以简单地监视许多服务器的通信,这可以大大简化系统管理的传统工作负载,并减少服务器的功耗。作为DPI技术的一种新的潜在应用,本文探讨了将DPI技术应用于服务器拥塞控制和降低服务器功耗的可能性,并给出了这些应用的实现实例。本文首先提出了一个服务器拥塞控制方法的示例,其中DPI设备通过不断监控每台服务器建立的TCP在线连接数来估计每台服务器的CPU使用情况,并通过远程控制及时将拥塞服务器上的部分虚拟机转移到其他服务器上。接下来,本文提出了一个降低服务器功耗的示例,其中DPI设备通过多个服务器持续监控每个区域发送或接收的流量。最后,通过实际DPI设备的评估系统验证了所提方法的可行性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Use of DPI technology for server congestion control and reduction of power consumption by servers
Deep packet inspection (DPI) technology has conventionally been introduced for traffic monitoring, bandwidth control, bandwidth allocation, access control of specific types of traffic, etc. By installing a DPI equipment at any arbitrary point in a network, it is possible to monitor communications of many servers simply and this could simplify dramatically the conventional work load for system management and reduction of power consumption by servers. As a new potential application of DPI technology, this paper explores the possibility of applying DPI technology to server congestion control and reduction of power consumption by servers, and presents implementation examples of these applications. This paper first proposes an example of server congestion control method, in which the DPI equipment estimates the CPU usage of each server by constantly monitoring the number of live TCP connections established by each server, and moves some of virtual machines on the congested server to other servers through remote control timely. Next, this paper proposes an example of reducing power consumption by servers, in which the DPI equipment constantly monitors the traffic sent or received in each area with multiple servers. Finally, the feasibility of the proposed methods is demonstrated by an evaluation system with a real DPI equipment.
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