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

By Santosh Kulkarni, Prathima Agrawal

This booklet addresses the necessity to increase TCP’s functionality within facts facilities by means of offering suggestions which are either sensible and backward suitable with normal TCP types. The authors strategy this problem first by means of deriving an analytical version for TCP’s functionality less than commonplace info middle workload site visitors. They then talk about a few strategies which are designed to enhance TCP functionality by means of both proactively detecting community congestion via probabilistic retransmission or through keeping off timeout penalty via dynamic resizing of TCP segments. Experimental effects express that every of recommendations mentioned outperforms general TCP inside of an information heart.

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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].

Txt 10. J. Postel, Simple mail transfer protocol, RFC 821 (Standard), Internet engineering task force, obsoleted by RFC 2821. Aug 1982. [Online]. txt 11. C. Feather, Network news transfer protocol (NNTP), RFC 3977 (Proposed standard), Internet engineering task force, updated by RFC 6048. Oct 2006. [Online]. ietf. txt 12. T. Ylonen, C. Lonvick, The secure shell (SSH) protocol architecture, RFC 4251 (Proposed standard), Internet engineering task force, Jan 2006. [Online]. txt 13. T. Ylonen, C. Lonvick, The secure shell (SSH) authentication protocol, RFC 4252 (Proposed standard), Internet engineering task force, Jan 2006.

Packet reordering refers to the scenario where relative ordering of some TCP segments belonging to the same connection get altered as they are transported over the network. In other words the receiving order of a stream of segments differs from the sending order. TCP has the ability to recover from data that is lost, damaged, delivered out of order or duplicated by the network. It achieves this by assigning a sequence number to each transmitted byte and requiring a positive acknowledgment from the receiving endpoint [1].

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