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1. 发明授权

US07698416B2 Application layer message-based server failover management by a network element 有权
标题翻译：基于应用层消息的服务器故障转移管理由网元
公开(公告)号：US07698416B2
公开(公告)日：2010-04-13
申请号：US11043857
申请日：2005-01-25
申请人： Sunil Potti , Alex Yiu-Man Chan , Snehal Haridas , Hari Kathi , Pravin Singhal
发明人： Sunil Potti , Alex Yiu-Man Chan , Snehal Haridas , Hari Kathi , Pravin Singhal
IPC分类号： G06F15/16
CPC分类号： H04L67/1008 , H04L67/02 , H04L67/1002 , H04L67/1017 , H04L67/1034 , H04L67/14 , H04L67/142 , H04L67/145 , H04L67/2814 , H04L69/40
摘要： A method is disclosed for application layer message-based network element management of server failures. According to one aspect, a network element such as a router intercepts session state information that is contained in a request from a client and locally stores the session state information. As a result, application servers to which the requests are directed do not need to store the session state information. If an application server fails, then the network element can use the session state information stored at the network element to continue the session with another application server, transparently to the client application that is involved in the session.
摘要翻译：公开了一种用于服务器故障的应用层基于消息的网络元件管理的方法。根据一方面，诸如路由器之类的网络元件拦截来自客户端的请求中包含的会话状态信息，并且本地存储会话状态信息。因此，请求所针对的应用服务器不需要存储会话状态信息。如果应用服务器发生故障，则网元可以使用网元上存储的会话状态信息，与会话中涉及的客户端应用程序透明地继续与其他应用服务器的会话。

2. 发明申请

US20060168334A1 Application layer message-based server failover management by a network element 有权
标题翻译：基于应用层消息的服务器故障转移管理由网元
公开(公告)号：US20060168334A1
公开(公告)日：2006-07-27
申请号：US11043857
申请日：2005-01-25
申请人： Sunil Potti , Alex Chan , Snehal Haridas , Hari Kathi , Pravin Singhal
发明人： Sunil Potti , Alex Chan , Snehal Haridas , Hari Kathi , Pravin Singhal
IPC分类号： G06F15/16 , G06F15/173
CPC分类号： H04L67/1008 , H04L67/02 , H04L67/1002 , H04L67/1017 , H04L67/1034 , H04L67/14 , H04L67/142 , H04L67/145 , H04L67/2814 , H04L69/40
摘要： A method is disclosed for application layer message-based network element management of server failures. According to one aspect, a network element such as a router intercepts session state information that is contained in a request from a client and locally stores the session state information. As a result, application servers to which the requests are directed do not need to store the session state information. If an application server fails, then the network element can use the session state information stored at the network element to continue the session with another application server, transparently to the client application that is involved in the session.
摘要翻译：公开了一种用于服务器故障的应用层基于消息的网络元件管理的方法。根据一方面，诸如路由器之类的网络元件拦截来自客户端的请求中包含的会话状态信息，并且本地存储会话状态信息。因此，请求所针对的应用服务器不需要存储会话状态信息。如果应用服务器发生故障，则网元可以使用网元上存储的会话状态信息，与会话中涉及的客户端应用程序透明地继续与其他应用服务器的会话。

3. 发明授权

US08799403B2 Caching content and state data at a network element 有权
标题翻译：在网元上缓存内容和状态数据
公开(公告)号：US08799403B2
公开(公告)日：2014-08-05
申请号：US12638159
申请日：2009-12-15
申请人： Alex Yiu-Man Chan , Snehal Haridas , Raj K. De Datta
发明人： Alex Yiu-Man Chan , Snehal Haridas , Raj K. De Datta
IPC分类号： G06F15/16 , G06F15/173
CPC分类号： H04L67/2819 , H04L67/14 , H04L67/28 , H04L67/2842
摘要： Methods are disclosed for caching content and state data at a network element. In one embodiment, data packets are intercepted at a network element. An application layer message, which specifies a request for specified data from a server application, is determined from the data packets. A first portion of the specified data contained in the network element's cache is determined. A message that requests a second portion of the data not contained in the cache is sent toward a server application. A first response that contains the second portion, but not the first portion, is received. A second response, which contains the first and second portions, is sent toward a client application.In one embodiment, data packets are intercepted at the network element. An application layer message, which specifies session or database connection state information, is determined from the data packets. The state information is cached at the network element.
摘要翻译：公开了用于在网络元件处缓存内容和状态数据的方法。在一个实施例中，在网络元件处拦截数据分组。从数据包确定应用层消息，其指定来自服务器应用的指定数据的请求。确定网元缓存中包含的指定数据的第一部分。向服务器应用程序发送请求缓存中未包含的数据的第二部分的消息。收到包含第二部分但不包含第一部分的第一响应。包含第一和第二部分的第二响应被发送到客户端应用。在一个实施例中，在网元处截取数据分组。从数据包确定指定会话或数据库连接状态信息的应用层消息。状态信息被缓存在网元上。

4. 发明授权

US07664879B2 Caching content and state data at a network element 有权
标题翻译：在网元上缓存内容和状态数据
公开(公告)号：US07664879B2
公开(公告)日：2010-02-16
申请号：US10997616
申请日：2004-11-23
申请人： Alex Yiu-Man Chan , Snehal Haridas , Raj K. De Datta
发明人： Alex Yiu-Man Chan , Snehal Haridas , Raj K. De Datta
IPC分类号： G06F15/13
CPC分类号： H04L67/2819 , H04L67/14 , H04L67/28 , H04L67/2842
摘要： Methods are disclosed for caching content and state data at a network element. In one embodiment, data packets are intercepted at a network element. An application layer message, which specifies a request for specified data from a server application, is determined from the data packets. A first portion of the specified data contained in the network element's cache is determined. A message that requests a second portion of the data not contained in the cache is sent toward a server application. A first response that contains the second portion, but not the first portion, is received. A second response, which contains the first and second portions, is sent toward a client application.In one embodiment, data packets are intercepted at the network element. An application layer message, which specifies session or database connection state information, is determined from the data packets. The state information is cached at the network element.
摘要翻译：公开了用于在网络元件处缓存内容和状态数据的方法。在一个实施例中，在网络元件处拦截数据分组。从数据包确定应用层消息，其指定来自服务器应用的指定数据的请求。确定网元缓存中包含的指定数据的第一部分。向服务器应用程序发送请求缓存中未包含的数据的第二部分的消息。收到包含第二部分但不包含第一部分的第一响应。包含第一和第二部分的第二响应被发送到客户端应用。在一个实施例中，在网元处截取数据分组。从数据包确定指定会话或数据库连接状态信息的应用层消息。状态信息被缓存在网元上。

5. 发明申请

US20060167975A1 Caching content and state data at a network element 有权
标题翻译：在网元上缓存内容和状态数据
公开(公告)号：US20060167975A1
公开(公告)日：2006-07-27
申请号：US10997616
申请日：2004-11-23
申请人： Alex Chan , Snehal Haridas , Raj De Datta
发明人： Alex Chan , Snehal Haridas , Raj De Datta
IPC分类号： G06F15/16
CPC分类号： H04L67/2819 , H04L67/14 , H04L67/28 , H04L67/2842
摘要： Methods are disclosed for caching content and state data at a network element. In one embodiment, data packets are intercepted at a network element. An application layer message, which specifies a request for specified data from a server application, is determined from the data packets. A first portion of the specified data contained in the network element's cache is determined. A message that requests a second portion of the data not contained in the cache is sent toward a server application. A first response that contains the second portion, but not the first portion, is received. A second response, which contains the first and second portions, is sent toward a client application. In one embodiment, data packets are intercepted at the network element. An application layer message, which specifies session or database connection state information, is determined from the data packets. The state information is cached at the network element.
摘要翻译：公开了用于在网络元件处缓存内容和状态数据的方法。在一个实施例中，在网络元件处拦截数据分组。从数据包确定应用层消息，其指定来自服务器应用的指定数据的请求。确定网元缓存中包含的指定数据的第一部分。向服务器应用程序发送请求缓存中未包含的数据的第二部分的消息。收到包含第二部分但不包含第一部分的第一响应。包含第一和第二部分的第二响应被发送到客户端应用。在一个实施例中，在网元处截取数据分组。从数据分组确定指定会话或数据库连接状态信息的应用层消息。状态信息被缓存在网元上。

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