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公开(公告)号：US08250220B2
公开(公告)日：2012-08-21
申请号：US13358233
申请日：2012-01-25
IPC分类号： G06F15/16
CPC分类号： H04L67/16 , H04L29/06 , H04L67/14 , H04L67/18 , H04L69/329
摘要： A system and method for identifying network endpoints that provide a service of interest orders endpoints according to their network proximity to a requesting client. The requesting client may then contact the closest available providing endpoint, thus increasing the efficiency of usage of network resources while decreasing latency and enhancing reliability. In an embodiment of the invention, when a connection to the nearest providing endpoint cannot be established, a mechanism for locating a next-closest alternative endpoint is provided.
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公开(公告)号：US07567582B2
公开(公告)日：2009-07-28
申请号：US11208166
申请日：2005-08-19
IPC分类号： H04L12/54
CPC分类号： H04L29/12066 , H04L29/12811 , H04L29/1282 , H04L61/1511 , H04L61/6009 , H04L61/6013
摘要： Maintaining DNS records. A computing network system includes a local Domain Name Service (DNS) server connected to one or more local clients or resources at a local branch office in an enterprise network. The local DNS server advertises to the local clients or resources at the local branch office that the DNS server is authoritative. The DNS server receives record information for the local clients or resources. An attempt is made to forward the record information to an enterprise hub DNS server. The record information is stored persistently in a cache. Storing the record information persistently in cache may be performed selectively or non-selectively. When performed selectively, the record information is stored or not stored depending on some result or other action. For example, the result may be stored or not stored depending on the results of attempting to forward to an enterprise hub DNS server.
摘要翻译： 维护DNS记录。 计算网络系统包括连接到一个或多个本地客户端的本地域名服务（DNS）服务器或企业网络中的本地分支机构的资源。 本地DNS服务器向本地客户端或DNS服务器授权的本地分支机构发布资源。 DNS服务器接收本地客户端或资源的记录信息。 尝试将记录信息转发到企业中心DNS服务器。 记录信息永久存储在缓存中。 可以有选择地或非选择性地将记录信息永久地存储在高速缓存中。 当选择执行时，根据某些结果或其他动作来存储或不存储记录信息。 例如，根据尝试转发到企业中心DNS服务器的结果，可能会将结果存储或不存储。
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公开(公告)号：US20120124223A1
公开(公告)日：2012-05-17
申请号：US13358233
申请日：2012-01-25
IPC分类号： G06F15/16
CPC分类号： H04L67/16 , H04L29/06 , H04L67/14 , H04L67/18 , H04L69/329
摘要： A system and method for identifying network endpoints that provide a service of interest orders endpoints according to their network proximity to a requesting client. The requesting client may then contact the closest available providing endpoint, thus increasing the efficiency of usage of network resources while decreasing latency and enhancing reliability. In an embodiment of the invention, when a connection to the nearest providing endpoint cannot be established, a mechanism for locating a next-closest alternative endpoint is provided.
摘要翻译： 一种用于识别根据其与请求客户端的网络接近度来提供兴趣订单端点的服务的网络端点的系统和方法。 然后，请求客户端可以联系最接近的可用提供端点，从而提高网络资源的使用效率，同时减少等待时间并提高可靠性。 在本发明的实施例中，当不能建立与最近的提供端点的连接时，提供用于定位下一个最接近的备选端点的机制。
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公开(公告)号：US08145699B2
公开(公告)日：2012-03-27
申请号：US10448903
申请日：2003-05-30
IPC分类号： G06F15/16
CPC分类号： H04L67/16 , H04L29/06 , H04L67/14 , H04L67/18 , H04L69/329
摘要： A system and method for identifying network endpoints that provide a service of interest orders endpoints according to their network proximity to a requesting client. The requesting client may then contact the closest available providing endpoint, thus increasing the efficiency of usage of network resources while decreasing latency and enhancing reliability. In an embodiment of the invention, when a connection to the nearest providing endpoint cannot be established, a mechanism for locating a next-closest alternative endpoint is provided.
摘要翻译： 一种用于识别根据其与请求客户端的网络接近度来提供兴趣订单端点的服务的网络端点的系统和方法。 然后，请求客户端可以联系最接近的可用提供端点，从而提高网络资源的使用效率，同时减少等待时间并提高可靠性。 在本发明的实施例中，当不能建立与最近的提供端点的连接时，提供用于定位下一个最接近的备选端点的机制。
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公开(公告)号：US06701329B1
公开(公告)日：2004-03-02
申请号：US09661480
申请日：2000-09-14
IPC分类号： G06F1730
CPC分类号： H04L29/12301 , H04L29/12066 , H04L29/12132 , H04L61/1511 , H04L61/1552 , H04L61/2076 , Y10S707/99952
摘要： A method and system for aging and scavenging resource records in a DNS database is provided. DNS resource records that are stored in a DNS database are assigned the timestamps indicating the last time the records were updated. Clients (owners of the resource records) periodically refresh timestamps of the DNS resource records that they registered using standard dynamic DNS update protocol. The DNS server then periodically searches its database for the stale records and deletes them. DNS database zone parameters and DNS server parameters are configured to define when a timestamp for a resource record may be updated, when a resource record may be scavenged (deleted) and which server may perform scavenging of a zone. A non-refresh interval follows the timestamp, a refresh interval follows the non-refresh interval and a scavengable period follows the refresh interval. During the non-refresh interval, an authorized DNS server may neither refresh nor scavenge the associated resource record. During the refresh interval, an authorized DNS server may refresh, but not scavenge the associated resource record. During the scavengable period, the resource record may be scavenged, if the timestamp is not renewed in the meantime. The build up of stale resource records, or records that have outlived their utility, is thus prevented improving system performance and conserving system memory and resources.
摘要翻译： 提供了一种在DNS数据库中老化和清理资源记录的方法和系统。 存储在DNS数据库中的DNS资源记录被分配指示上次更新记录的时间戳。 客户端（资源记录的所有者）定期刷新他们使用标准动态DNS更新协议注册的DNS资源记录的时间戳。 然后，DNS服务器定期搜索其数据库中的陈旧记录并将其删除。 DNS数据库区域参数和DNS服务器参数被配置为定义何时可以更新资源记录的时间戳，当资源记录被清除（删除）时，哪个服务器可能执行区域清理。 非刷新间隔遵循时间戳，刷新间隔跟随非刷新间隔，可刷新周期在刷新间隔后。 在非刷新间隔期间，授权的DNS服务器既不会刷新也不清除相关的资源记录。 在刷新间隔期间，授权的DNS服务器可以刷新但不清除相关联的资源记录。 在可扫描期间，如果时间戳没有更新，资源记录可能被清除。 陈旧的资源记录的建立或者超过其实用程度的记录被阻止改善系统性能并节省系统内存和资源。
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