By Santosh Kulkarni, Prathima Agrawal

This publication addresses the necessity to enhance TCP’s functionality within facts facilities through offering suggestions which are either useful and backward suitable with general TCP models. The authors procedure this problem first by means of deriving an analytical version for TCP’s functionality less than average facts middle workload site visitors. They then speak about a few ideas which are designed to enhance TCP functionality via both proactively detecting community congestion via probabilistic retransmission or by way of warding off timeout penalty via dynamic resizing of TCP segments. Experimental effects exhibit that every of innovations mentioned outperforms regular TCP within a knowledge heart.

Show description

Read Online or Download Analysis of TCP Performance in Data Center Networks (SpringerBriefs in Electrical and Computer Engineering) PDF

Best networking books

Learning OpenStack Networking by James Denton PDF

When you are an OpenStack-based cloud operator with adventure in OpenStack Compute and nova-network yet are new to Neutron networking, then this booklet is for you. a few networking adventure is suggested, and a actual community infrastructure is needed to supply connectivity to circumstances and different community assets configured within the e-book.

Read e-book online CCNP BCMSN Exam Cram 2 PDF

The hot CCNP BCMSN examination Cram 2 makes a speciality of the newest standards from Cisco. Updates to VLANs, swap configuration, and campus networking parts are among the subject matters mentioned intimately. The best-selling examination Cram 2 sequence is the neatest, best approach to develop into qualified. This ebook focuses precisely on what readers have to get qualified now that includes test-taking thoughts, time-saving learn tips, and a different CramSheet that incorporates information, acronyms, and reminiscence joggers that aren't to be had at any place else.

Read e-book online The Neuroendocrine Immune Network in Ageing PDF

The publication describes the mechanisms fascinated by the upkeep of neuroendocrine-immune interactions in growing old. the shortcoming of this upkeep ends up in the looks of age-related ailments (cancer, infections, dementia) and next incapacity. The ability of a few hormones or dietary elements in restoring and remodelling the neuroendocrine-immune reaction in the course of getting old is said providing attainable new anti-ageing techniques so as to achieve fit getting old and durability.

New PDF release: Practical RF Circuit Design for Modern Wireless Systems Vol.

The second one of 2 volumes, it is a complete remedy of nonlinear circuits, introducing the complicated themes that execs have to comprehend for his or her RF (radio frequency) circuit layout paintings. It offers an advent to energetic RF units and their modelling, and explores nonlinear circuit simulation recommendations.

Extra resources for Analysis of TCP Performance in Data Center Networks (SpringerBriefs in Electrical and Computer Engineering)

Example text

10) k=1 = 1 pc For the ith TD-period let flows xe , e = 1,. , ji (subset of n composite flows) be the ji flows experiencing loss at the end of the period. The same xe flows do not experience loss in every TD-period. Instead, the TD-periods in which these xe flows experience loss are a subset ({i s }, s = 1, 2,. ) of TD-periods of the cumulative flow F. For example, in Fig. 2, only flow f 2 experiences loss in T D Pi . Its next loss could perhaps happen in the period T D Pi+2 . 1 Modeling Incast 39 during these X f xe rounds, the congestion window of flows xe increase by X f xe is is packets.

In this equation, we can approximate j, the mean number of flows experiencing a loss in a round, with the expression pprc . Since j must be no more than n, we have j = min n, pr pc . 3 Timeout Loss Indications In this subsection we model the throughput of cumulative flow for loss indications that are of type “time out” (TO). As already mentioned, TCP’s throughput collapse in many-to-one synchronized communication is mainly caused by two kinds of timeouts, namely, Intermediate Block Transfer Timeouts (IBTT) and Anterior Block Transfer Timeouts (ABTT).

With pr , we denote the probability that a packet (belonging to any composite flow) is lost, given that either it is the flow’s first packet in its round or the flow’s preceding packet in its round is not lost. In this subsection, we are interested in establishing a relationship B(n, pc , pr ) between the throughput of the cumulative flow F and n the number of parallel synchronized flows involved, pc the loss probability of the cumulative flow as well as pr the loss probability in any composite flow f.

Download PDF sample

Analysis of TCP Performance in Data Center Networks (SpringerBriefs in Electrical and Computer Engineering) by Santosh Kulkarni, Prathima Agrawal

by Joseph

Rated 4.48 of 5 – based on 47 votes