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    Method and system for handling failover in a distributed environment that uses session affinity
    1.
    发明授权
    Method and system for handling failover in a distributed environment that uses session affinity 失效
    在使用会话亲和性的分布式环境中处理故障切换的方法和系统

    公开(公告)号：US07793140B2

    公开(公告)日：2010-09-07

    申请号：US11872235

    申请日：2007-10-15

    申请人： Benson Kwuan-Yi Chen ,  Michael A. Gilfix ,  Mark David Gilmore ,  Victor S. Moore ,  Ofira Tal-Aviv ,  Anthony William Wrobel, Jr.

    发明人： Benson Kwuan-Yi Chen ,  Michael A. Gilfix ,  Mark David Gilmore ,  Victor S. Moore ,  Ofira Tal-Aviv ,  Anthony William Wrobel, Jr.

    IPC分类号： G06F11/00

    CPC分类号： G06F11/203 ,  G06F11/2035 ,  H04L41/06 ,  H04L41/0654 ,  H04L69/40

    摘要： A system for managing failover in a server cluster. In response to detecting a failed server, subscription message processing of a failover server is stopped. A subscription queue of the failed server is opened. A marker message is published to all subscribers of a particular messaging topic. The marker message includes an identification of the failover server managing the subscription queue of the failed server. Messages within the subscription queue of the failed server are processed. In response to determining that a message in the subscription queue of the failed server is the marker message, the subscription queue of the failed server is closed. Then, the failover server resumes processing of its original subscription queue looking for the marker message, while processing yet unseen messages from the queue. Once the marker message is found in the original subscription queue, normal operation is resumed.

    摘要翻译： 用于管理服务器群集中的故障切换的系统。 响应于检测到故障的服务器，故障转移服务器的订阅消息处理被停止。 打开故障服务器的订阅队列。 标记消息被发布到特定消息传递主题的所有订户。 标记消息包括管理故障服务器的订阅队列的故障切换服务器的标识。 处理失败服务器的订阅队列内的消息。 响应于确定故障服务器的订阅队列中的消息是标记消息，故障服务器的订阅队列被关闭。 然后，故障转移服务器恢复其原始订阅队列的处理，寻找标记消息，同时处理尚未看到的队列中的消息。 一旦在原始订阅队列中找到标记消息，则恢复正常操作。

    Synchronizing network feeds in high-frequency network events
    2.
    发明授权
    Synchronizing network feeds in high-frequency network events 有权
    在高频网络事件中同步网络提要

    公开(公告)号：US08924650B2

    公开(公告)日：2014-12-30

    申请号：US12207005

    申请日：2008-09-09

    申请人： Benson Kwuan-Yi Chen ,  Michael Gilfix ,  Victor S. Moore ,  Anthony William Wrobel, Jr.

    发明人： Benson Kwuan-Yi Chen ,  Michael Gilfix ,  Victor S. Moore ,  Anthony William Wrobel, Jr.

    IPC分类号： G06F12/00 ,  H04L29/08 ,  G06F17/30

    CPC分类号： G06F17/30902 ,  H04L67/2852

    摘要： A cache server receives a request from a client that includes a requesting entity tag. In turn, the cache server extracts a starting identifier and an ending identifier from the requesting entity tag. The starting identifier is associated with a starting entry and the ending identifier is associated with an ending entry. Next, the cache server determines whether a subsequent entity tag exists that includes a subsequent starting identifier that matches the requesting entity tag's ending identifier. When the cache server identifies a subsequent entity tag, the cache server sends the subsequent entity tag and one or more update entries corresponding to the subsequent entity tag to the client.

    摘要翻译： 缓存服务器从包含请求实体标签的客户端接收请求。 反过来，缓存服务器从请求实体标签中提取起始标识符和结束标识符。 起始标识符与起始条目相关联，并且结尾标识符与结束条目相关联。 接下来，缓存服务器确定是否存在包括与请求实体标签的结尾标识符匹配的后续起始标识符的后续实体标签。 当缓存服务器识别后续实体标签时，缓存服务器将后续实体标签和与后续实体标签相对应的一个或多个更新条目发送给客户端。