Increasing WWW visits require efficient Web Servers architecture. In our design, Web Servers are a cluster consisting of replicated Servers. Server predicates its load ,which is used to decide the cost to visit itself...
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Increasing WWW visits require efficient Web Servers architecture. In our design, Web Servers are a cluster consisting of replicated Servers. Server predicates its load ,which is used to decide the cost to visit itself. Client makes the load balancing decision ,and caches the predicated load of Cluster. Based on price theory, Client chooses the server of the lowest cost to serve itself;at the same time,Server predicates the information updating speed of Cluster,and uses it to decide the updating speed of Cache. Finally ,the system topology is given and characters are analyzed.
Access Control(AC)is one of the important technologies of System Security and has been widely studied recently because the traditionary AC technologies can' t meet with the security commands of contemporary imform...
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Access Control(AC)is one of the important technologies of System Security and has been widely studied recently because the traditionary AC technologies can' t meet with the security commands of contemporary imformation system. As a result,the traditionary AC technologies have been developed and some new technologies have been put forward. This paper makes the necessary classification for the more-than-ten-year research results of the AC technology,together with the analysis and predication for the development trend of the AC technology in the future.
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