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Performance Evaluation of TCP Vegas over TCP Reno and TCP NewReno over TCP Reno

机译:TCP Reno和TCP Newreno对TCP Reno的绩效评估

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In the Transport layer, there are two types of Internet Protocol are worked, namely- Transmission Control Protocol (TCP) and User datagram protocol (UDP). TCP provides connection oriented service and it can handle congestion control, flow control, and error detection whereas UDP does not provide any of service. TCP has several congestion control mechanisms such as TCP Reno, TCP Vegas, TCP New Reno, TCP Tahoe, etc. In this paper, we have focused on the behavior performance between TCP Reno and TCP Vegas, TCP New Reno over TCP Reno, when they share the same bottleneck link at the router. For instigating this situation, we used drop-tail and RED algorithm at the router and used NS-2 simulator for simulation. From the simulation results, we have observed that the performance of TCP Reno and TCP Vegas is different in two cases. In drop tail algorithm, TCP Reno achieves better Performance and throughput and act more an aggressive than Vegas. In Random Early Detection (RED) algorithm, both of congestion control mechanism provides better fair service when they coexist at the same link. TCP NewReno provides better performance than TCP Reno.
机译:在传输层中,有两种类型的因特网协议是工作的,即传输控制协议(TCP)和用户数据报协议(UDP)。 TCP提供面向连接的服务,它可以处理拥塞控制,流量控制和错误检测,而UDP不提供任何服务。 TCP拥有多种拥塞控制机制,如TCP Reno,TCP Vegas,TCP新Reno,TCP Tahoe等。在本文中,我们专注于TCP里诺和TCP Vegas之间的行为性能,TCP新Reno在TCP Reno时,当它们在路由器处共享相同的瓶颈链接。为了煽动这种情况,我们在路由器上使用了丢弃尾和红色算法,并使用了NS-2模拟器进行仿真。从仿真结果来看,我们观察到,TCP里诺和TCP VEGAS的表现在两种情况下是不同的。在Drop Tail算法中,TCP Reno实现了更好的性能和吞吐量,并且比拉斯维加斯更具侵略性。在随机早期检测(红色)算法中,两个拥塞控制机制在同一链路时共存时提供更好的公平服务。 TCP Newreno提供比TCP Reno更好的性能。

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