Download Advancements in distributed computing and Internet by Al-Sakib Khan Pathan, Mukaddim Pathan, Hae Young Lee PDF

By Al-Sakib Khan Pathan, Mukaddim Pathan, Hae Young Lee

The advantages of dispensed computing are evidenced by way of the elevated performance, retrieval power, and reliability it presents for a couple of networked purposes. the expansion of the web right into a serious a part of everyday life has inspired extra learn on how information can larger be transferred, controlled, and evaluated in an ever-changing on-line environment.

Advancements in dispensed Computing and web applied sciences: tendencies and Issues compiles fresh study tendencies and functional concerns within the fields of allotted computing and net applied sciences. The publication presents developments on rising applied sciences that goal to aid the powerful layout and implementation of service-oriented networks, destiny net environments, and development administration frameworks. learn on Internet-based platforms layout, instant sensor networks and their program, and subsequent iteration allotted structures will tell graduate scholars, researchers, lecturers, and practitioners of latest traits and important study during this evolving discipline.

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Extra resources for Advancements in distributed computing and Internet technologies : trends and issues

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Considering that single disk access is available, the possible causes of bottleneck that may occur in such a system could be listed as CPU speed, 25 End-to-End Dataflow Parallelism for Transfer Throughput Optimization Figure 1. The end-to-end data transfer path protocol settings and NICs that are not compatible to the speed of the network. The problems could be solved with CPU/node parallelism. Many parallel systems that are connected via high-speed networks have parallel storage systems. Disk access rate is a major source of bottleneck in single disk access systems.

Some of the optimizations to overcome the disk bottleneck are tuning I/O block size, tuning I/O scheduler and prefetching (Thomas, 2008). I/O block size defines the number of bytes read/written at a time from/to disk. I/O schedulers may perform different based 26 on the load of the system and the characteristics of the transfers. While some schedulers work better than the others in busy machines, they can perform worse in idle machines. Also they differ in CPU usages as well. Prefetching can improve disk speed by reading ahead for large data sizes however it can increase access times for small data sizes.

Org The Lustre File System. (2010). Lustre wiki. org The Teragrid network. (2010). Website. org Thomas, M. (2008). Configuring servers for optimal I/O. Talk given at Ultralight planets tutorial, Miami, FL. Tierney, B. L. (2005). TCP tuning techniques for high-speed wide-area networks. Talk given at Networks for non-networkers 2 Workshop, Edinburgh, UK. , & the The Free Software Company. (2010). The Linux kernel. org US Department of Energy. (2008). Advanced networking for distributed petascale science.

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