Analysis of TCP Performance in Data Center Networks by Santosh Kulkarni, Prathima Agrawal

By Santosh Kulkarni, Prathima Agrawal

This e-book addresses the necessity to increase TCP’s functionality within facts facilities by way of delivering options which are either functional and backward appropriate with average TCP types. The authors procedure this problem first by way of deriving an analytical version for TCP’s functionality lower than general information heart workload site visitors. They then speak about a few recommendations which are designed to enhance TCP functionality via both proactively detecting community congestion via probabilistic retransmission or by way of averting timeout penalty via dynamic resizing of TCP segments. Experimental effects express that every of innovations mentioned outperforms average TCP within an information center.

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M. Allman, V. Paxson, E. Blanton, TCP congestion control, RFC 5681 (Draft standard), Internet engineering task force, Sept 2009. [Online]. txt Chapter 3 Modeling Incast and its Empirical Validation Transmission Control Protocol is the transport layer workhorse for several application layer protocols like HTTP [1], FTP [2], SMTP [3], NNTP [4] and SSH [5–10]. As a result, TCP carries a significant amount of today’s Internet traffic [11]. Studies have shown that traffic from TCP and UDP [12] make for more than 96 % of the packets in the Internet.

Unfortunately, few senders like sender 9, lose all the packets in their congestion window resulting in an early TO for block 10. And like sender 10 during transfer of block 9, sender 9 too ends up with a large congestion window during the transfer of block 10. The cycle repeats for block 11 too, with sender 8 experiencing an early TO. Through investigating numerous simulations, we find that IBTT dominates TCP throughput when n is small, while ABTT dominates Incast when n is large. Consider the evolution of the cumulative window W, in the presence of loss indications that include type “TO”, as shown in Fig.

Oct 1989. [Online]. txt 20. R. Stevens, TCP/IP illustrated (vol. 1): the protocols. , 1993) 21. M. Allman, V. Paxson, E. Blanton, TCP congestion control, RFC 5681 (Draft standard), Internet engineering task force, Sept 2009. [Online]. txt Chapter 3 Modeling Incast and its Empirical Validation Transmission Control Protocol is the transport layer workhorse for several application layer protocols like HTTP [1], FTP [2], SMTP [3], NNTP [4] and SSH [5–10]. As a result, TCP carries a significant amount of today’s Internet traffic [11].

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