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We have investigated the workload of a campus wide distributed file service. The observation is that hot files are downloaded many times within a short period of time. To reduce the server overhead, we employed a client side cooperation module in the system. The client side cooperation module can get file data from other clients instead of directly download data from data servers. The applied mechanism...
With the development of the network technology, PIM-SMv2 protocol acted as a feasible telecommunication technology, gains wide application and development. This paper discusses the performing principles of PIM-SMv2 protocol in detail, describes how PIM-SMv2 protocol building unidirectional share trees rooted at a Rendezvous Point per group. This paper presented the realization project of IPv6 multicast...
This paper discusses an embedded access platform, which takes S3C2410 as the center core and is built upon the Linux operating system. Based on the character and advantage of ZigBee and GPRS, this article advances the solution scheme of the wireless sensor network gateway. Mainly analyzes the software design of the gateway, including the way to realize the connection of ZigBee protocol and GPRS network,...
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