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    • 9. 发明授权
    • Method and apparatus for a minimalist approach to implementing server selection
    • 实现服务器选择的简约方法和方法
    • US07886023B1
    • 2011-02-08
    • US09824527
    • 2001-04-02
    • Kirk Johnson
    • Kirk Johnson
    • G06F15/16
    • H04L67/1002H04L67/1019H04L67/1025
    • Server selection is optimized using randomness, feedback, and fanout. A central server maintains a vector of server selection probabilities and provides a subset of candidate servers from the vector for the client in response to receiving from a client a request for a server address to provide substantive service. An interrogating node (i.e., the client or DNS proxy) probes the candidate servers and selects a best server based on at least one criterion. The client accesses the selected server for the substantive data, and the selected server updates a counter used to keep track of the number of times the server is selected. The servers feedback the number of times selected to the central server, which, in turn, updates weightings in the vector of server selection probabilities.
    • 服务器选择使用随机性,反馈和扇出优化。 中央服务器维护服务器选择概率的向量,并响应于从客户端接收到服务器地址提供实质性服务的请求,向客户端向量提供候选服务器的子集。 询问节点(即,客户端或DNS代理)探测候选服务器并基于至少一个标准选择最佳服务器。 客户端访问所选服务器的实体数据,所选择的服务器更新用于跟踪服务器被选择次数的计数器。 服务器将选择的次数反馈给中央服务器,这反过来更新了服务器选择概率向量中的权重。