Decision Function in Hybrid Self-Adaptive WWW Cache Coherence Protocol (hSATTL) (CROSBI ID 485777)
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Podaci o odgovornosti
Benc, Ivan ; Štefanec, Mario ; Srbljić, Siniša
engleski
Decision Function in Hybrid Self-Adaptive WWW Cache Coherence Protocol (hSATTL)
To improve the performance of the multiprocessor, distributed and Internet-based systems data replication is being introduced. Existence of the multiple copies of the same object in the system causes cache coherence problem. There are two basic mechanisms for maintaining cache coherence: write-invalidate and write-update mechanism. Various protocols for multiprocessor and distributed systems have been developed that use both coherence mechanisms in order to maintain cache coherence with minimal overhead costs. These protocols are based on a decision function that dynamically switches between write-update and write-invalidate mechanisms. As a part of the hSATTL cache coherence protocol we designed new decision function adapted for the Internet-based systems that dynamically switches between basic coherence mechanisms. In order to prove efficiency of the designed decision function we compared performance of the hSATTL protocol with the performance of the ATTL and SATTL protocol, which do not implement decision functions. As the performance measure, we use the server load and the amount of data that is transferred between the server and the proxy in order to maintain the cache coherence.
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Podaci o prilogu
301-304.
2001.
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objavljeno
Podaci o matičnoj publikaciji
Proceedings of the International Conference on Trends in Communications (Eurocon 2001)
Bratislava: Institute of Electrical and Electronics Engineers (IEEE)
Podaci o skupu
International Conference on Trends in Communications (Eurocon 2001)
predavanje
05.07.2001-07.07.2001
Bratislava, Slovačka