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Performance Analysis of TCP Variants using AQM and ECN
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 Title & Authors
Performance Analysis of TCP Variants using AQM and ECN
Matten, Ahmad; Anwar, Adnan;
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Transmission Control Protocol as a transport layer protocol provides steady data transfer service. There are some serious concerns about the performance of TCP over diverse networks. The vital concern in TCP network environment is congestion which may occur due to quick transmission rates or because of large number of new connections entering the network at the same time. Size of queues in routers grows thus resulting in packet drops. Retransmission of the dropped packets, and reduced throughput can prove costly. Explicit Congestion Notification (ECN) in conjunction with Active Queue Management mechanisms (AQM) such as Random early detection (RED) is used for packet marking rather than dropping. In IP packet header ECN bits can be added as a sign of congestion thus avoiding needless packet drops. The proposed ECN and AQM mechanism can be implemented with help of ns2 simulator and the performance can be tested on different TCP variants.
Acknowledgement;Transmission Control Protocol (TCP);Explicit Congestion Notification (ECN);Queue Management Mechanisms (AQM);Random Early Detection (RED);
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