NDLI: The parallel communication protocol in BCL-4

Content Provider	IEEE Xplore Digital Library
Author	Xiaocheng Zhou Zhigang Huo Jie Ma Dan Meng
Copyright Year	2004
Description	Author affiliation: National Res. Center for Intelligent Comput. Syst., Chinese Acad. of Sci., Beijing, China (Xiaocheng Zhou; Zhigang Huo; Jie Ma; Dan Meng)
Abstract	As CLUMPS become the main stream of clusters and the number of nodes in a cluster increases, it requires enhancing the bandwidth performance and availability of the communication system used in clusters. Parallel communication based on multiple system area networks (SANs) can fulfill the requirements. This work introduces the parallel communication protocol used in BCL-4, which is a high efficient communication system used in DAWNING-4000A, a large-scale Linux cluster. It dispatches small messages and sub-messages stripped from large messages into multiple SANs and maintains the communication semantics as before. The parallel communication process is transparent to both users and the control program on network interface card (NIC). It also provides an efficient load balance mechanism. Using the parallel communication protocol, BCL-4 provides many key features, such as multiple throughput, high availability, and backward compatibility. The experimental results show that the peak bandwidth of BCL-4 over two Myrinet is 494.7MB/s, which is almost twice of that over one, and that there is only 0.02us overhead of short message at the same time.
Sponsorship	High Performance Comput. SIG Information Processing Soc. of Japan IEEE Comput. Soc. Japan Chapter
Starting Page	98
Ending Page	103
File Size	315690
Page Count	6
File Format	PDF
ISBN	076952138X
DOI	10.1109/HPCASIA.2004.1324022
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-07-22
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Protocols Availability Bandwidth Throughput Parallel processing Communication system traffic Storage area networks Intelligent systems Computers Large-scale systems
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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