The Effects of Traffic Structure on Application and Network by Jay Aikat

By Jay Aikat

Over the previous 3 many years, the Internet's speedy development has spurred the improvement of recent functions in cellular computing, electronic tune, on-line video, gaming and social networks. those purposes depend seriously upon a variety of underlying community protocols and mechanisms to let, keep and increase their web functionality

The results of site visitors constitution on software and community Performance offers the mandatory instruments for maximizing the community potency of any net software, and provides ground-breaking examine that would impression how those functions are in-built the long run. The e-book outlines the right way to layout and run all kinds of networking experiments, and establishes the simplest practices in artificial site visitors iteration for present and destiny researchers and practitioners to keep on with. It addresses a few uncomplicated thoughts and strategies of site visitors new release, but in addition information huge empirical study in checking out and comparing community protocols and functions inside a laboratory setting.

The results of site visitors constitution on software and community Performance is designed as a reference publication for networking pros who needs to layout, plan, try and review their networks. Advanced-level scholars and researchers in computing device technology and engineering will locate this ebook worthwhile as well

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So, while the top 3% of UNC connections had 12 or more epochs, the top 3% of IBM connections had 33 or more epochs. 05% of connections. The tails of the distributions clearly show that the number of epochs in connections in the IBM trace was much higher than those in the UNC trace. 2 Application Data Units (ADU) Sequential connections exchange data in epochs, that is, in a request-response pattern. Hence, we measure the ADU sizes in each epoch as a request-size and a response-size for these sequential connections.

The sequential connections 42 3 Workload Modeling and Traffic Generation 600 Link throughput in Mbps 500 400 300 200 100 0 10 UNC-dir2 15 20 25 30 35 Time in minutes 40 45 50 45 50 Fig. 6 Offered Load (low) – UNC 600 Link throughput in Mbps 500 400 300 200 100 0 10 IBM-dir1 15 20 25 30 35 Time in minutes 40 Fig. 7 Offered Load (high) – IBM transfer 214 billion bytes (70%) of the total payload. The concurrent connections transfer 86 billion bytes (28%) of the total payload. 8 million total connections in the IBM traffic, 2,733,996 are sequential connections and 51,058 are concurrent connections.

J. 1007/978-1-4614-1848-1_3, © Springer Science+Business Media New York 2013 37 38 3 Workload Modeling and Traffic Generation The IBM trace was also a 1-hour packet-header trace which was representative of typical peak workday traffic on their corporate network, and was taken from 2:20 PM to 3:20 PM on October 10, 2006. 2 GB of memory. DAG technology provides 100% capture into host memory at full line rate for all packets on the link [2]. The traffic captured by the monitor was then converted to pcap and processed using an enhanced tcpdump program, and several diagnostic and other tools developed at UNC.

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