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41. 发明申请

US20050249199A1 Load balancing using distributed forwarding agents with application based feedback for different virtual machines 有权
标题翻译：使用分布式转发代理进行负载平衡，并为不同的虚拟机提供基于应用的
公开(公告)号：US20050249199A1
公开(公告)日：2005-11-10
申请号：US11185574
申请日：2005-07-19
申请人： Mark Albert , Richard Howes , Edward Kersey , Louis Menditto , Chris O'Rourke , Pranav Tiwari , Tzu-Ming Tsang
发明人： Mark Albert , Richard Howes , Edward Kersey , Louis Menditto , Chris O'Rourke , Pranav Tiwari , Tzu-Ming Tsang
IPC分类号： G06F15/16 , H04L12/66 , H04L29/08
CPC分类号： H04L67/1008 , H04L67/1002
摘要： A system and method are described for selecting a server to handle a connection. The method includes receiving at a service manager a connection request intercepted by a network device having a forwarding agent that is operative to receive instructions from a service manager, the connection request having been forwarded from the forwarding agent on the network device to the service manager. A preferred server is selected at the service manager from among a group of available servers. The preferred server is the server that is to service the connection request. Instructions are sent from the service manager to the forwarding agent. The instructions include the preferred server that is to service the connection request so that the connection request may be forwarded from the network device to the preferred server.
摘要翻译：描述了用于选择服务器来处理连接的系统和方法。该方法包括在服务管理器处接收由具有可从服务管理器接收指令的转发代理的网络设备拦截的连接请求，所述连接请求已经从网络设备上的转发代理转发到服务管理器。在服务管理器之间从一组可用服务器中选择首选服务器。首选服务器是服务于连接请求的服务器。指令从服务管理员发送到转发代理。指令包括服务于连接请求的首选服务器，以便连接请求可以从网络设备转发到首选服务器。

42. 发明授权

US07277945B1 System and method for maintaining seamless session operation 有权
标题翻译：保持无缝会话操作的系统和方法
公开(公告)号：US07277945B1
公开(公告)日：2007-10-02
申请号：US09952955
申请日：2001-09-12
申请人： Gaurang K. Shah , Chris O'Rourke , Pranav K. Tiwari , Mark Albert , Ethan M. Young , Barron C. Housel
发明人： Gaurang K. Shah , Chris O'Rourke , Pranav K. Tiwari , Mark Albert , Ethan M. Young , Barron C. Housel
IPC分类号： G06F15/173
CPC分类号： H04L67/04 , H04L67/1002
摘要： A network (10) includes a load balancer (18) that passes traffic between a client (14) and a gateway (20). For initial messages from a client (14), the load balancer (18) selects an appropriate gateway (20) for message processing. A session is then established between the client (14) and the appropriate gateway (20). The session is indicated by a session identifier. At any point, the client (14) may choose to suspend the session for later resumption. Upon suspension, the load balancer (18) keeps track of the session identifier and the appropriate gateway (20) associated with the session. Upon a resumption request from the client (14), the load balancer (18) determines which of the gateways (20) is associated with the resumption request according to the session identifier. In this manner, the client may continue a session with the same gateway (20) for seamless operation.
摘要翻译：网络（10）包括在客户机（14）和网关（20）之间传递业务的负载平衡器（18）。对于来自客户机（14）的初始消息，负载平衡器（18）选择用于消息处理的适当网关（20）。然后在客户机（14）和适当网关（20）之间建立会话。会话由会话标识符指示。在任何时候，客户（14）可以选择暂停会话以供稍后恢复。在暂停时，负载平衡器（18）跟踪会话标识符和与会话相关联的适当网关（20）。在来自客户机（14）的恢复请求之后，负载平衡器（18）根据会话标识符确定哪个网关（20）与恢复请求相关联。以这种方式，客户端可以继续与同一网关（20）进行无缝操作的会话。

43. 发明授权

US07051066B1 Integrating service managers into a routing infrastructure using forwarding agents 有权
标题翻译：使用转发代理将服务管理器集成到路由基础设施中
公开(公告)号：US07051066B1
公开(公告)日：2006-05-23
申请号：US09347034
申请日：1999-07-02
申请人： Mark Albert , Richard A. Howes , James A. Jordan , Edward A. Kersey , William M. LeBlanc , Louis F. Menditto , Chris O'Rourke , Pranav Kumar Tiwari , Tzu-Ming Tsang
发明人： Mark Albert , Richard A. Howes , James A. Jordan , Edward A. Kersey , William M. LeBlanc , Louis F. Menditto , Chris O'Rourke , Pranav Kumar Tiwari , Tzu-Ming Tsang
IPC分类号： G06F15/16
CPC分类号： H04L67/1002
摘要： A method of providing a network service is disclosed. The method includes implementing a forwarding agent on a router. The forwarding agent is operative to receive instructions from a service manager. Packets are forwarded from the forwarding agent to the service manager, and the forwarding agent receives instructions from the service manager detailing how to handle the forwarded packets.
摘要翻译：公开了一种提供网络服务的方法。该方法包括在路由器上实现转发代理。转发代理可操作以从服务管理器接收指令。分组从转发代理转发到业务管理器，并且转发代理从服务管理器接收详细说明如何处理转发的分组的指令。

44. 发明授权

US06985440B1 Network address translation using a forwarding agent 有权
公开(公告)号：US06985440B1
公开(公告)日：2006-01-10
申请号：US10674850
申请日：2003-09-29
申请人： Mark Albert , Richard A. Howes , James A. Jordan , Edward A. Kersey , William M. LeBlanc , Jacob Mark McGuire , Louis F. Menditto , Chris O'Rourke , Pranav Kumar Tiwari , Tzu-Ming Tsang
发明人： Mark Albert , Richard A. Howes , James A. Jordan , Edward A. Kersey , William M. LeBlanc , Jacob Mark McGuire , Louis F. Menditto , Chris O'Rourke , Pranav Kumar Tiwari , Tzu-Ming Tsang
IPC分类号： H04L12/28 , H04L12/56 , G06F13/16
CPC分类号： H04L63/08 , H04L29/12009 , H04L29/12367 , H04L29/12481 , H04L61/2514 , H04L61/2557 , H04L67/1002 , H04L2029/06054
摘要： A system and method are disclosed for specifying network address translation for a set of packets. A first set of instructions is sent to a forwarding agent specifying criteria for designated packets that are designated to undergo network address translation. A matching packet is received from the forwarding agent that matches the specified criteria. A network address translation scheme is determined for the matching packet. A second set of instructions are sent specifying the network address translation scheme for packets associated with the matching packet.

45. 发明授权

US06775692B1 Proxying and unproxying a connection using a forwarding agent 有权
标题翻译：使用转发代理代理和解除连接
公开(公告)号：US06775692B1
公开(公告)日：2004-08-10
申请号：US09347036
申请日：1999-07-02
申请人： Mark Albert , Richard A. Howes , James A. Jordan , Edward A. Kersey , William M. LeBlanc , Jacob Mark McGuire , Louis F. Menditto , Chris O'Rourke , Pranav Kumar Tiwari , Tzu-Ming Tsang , Bruce F. Wong
发明人： Mark Albert , Richard A. Howes , James A. Jordan , Edward A. Kersey , William M. LeBlanc , Jacob Mark McGuire , Louis F. Menditto , Chris O'Rourke , Pranav Kumar Tiwari , Tzu-Ming Tsang , Bruce F. Wong
IPC分类号： G06F1516
CPC分类号： H04L63/029 , H04L1/16 , H04L29/06 , H04L67/42 , H04L69/16 , H04L69/161 , H04L69/163 , H04L69/326 , H04L2001/0092
摘要： A system and method are disclosed for controlling access to a server. Instructions are sent to a forwarding agent that instruct the forwarding agent to forward packets to a service manager from clients attempting to establish a client connection to the server. A client connection is established with the client. A server connection is established from the service manager to the server and data is transferred from the server connection to the client connection.
摘要翻译：公开了一种用于控制对服务器的访问的系统和方法。指令被发送到转发代理，指示转发代理从尝试建立与服务器的客户端连接的客户端将数据包转发到服务管理器。与客户端建立客户端连接。服务器连接从服务管理器建立到服务器，数据从服务器连接传输到客户端连接。

46. 发明授权

US06735169B1 Cascading multiple services on a forwarding agent 有权
标题翻译：在转发代理上级联多个服务
公开(公告)号：US06735169B1
公开(公告)日：2004-05-11
申请号：US09347124
申请日：1999-07-02
申请人： Mark Albert , Richard A. Howes , James A. Jordan , Edward A. Kersey , William M. LeBlanc , Jacob Mark McGuire , Louis F. Menditto , Chris O'Rourke , Pranav Kumar Tiwari , Tzu-Ming Tsang
发明人： Mark Albert , Richard A. Howes , James A. Jordan , Edward A. Kersey , William M. LeBlanc , Jacob Mark McGuire , Louis F. Menditto , Chris O'Rourke , Pranav Kumar Tiwari , Tzu-Ming Tsang
IPC分类号： H04L1226
CPC分类号： H04L61/25 , H04L29/06 , H04L29/12009 , H04L29/1233 , H04L47/10 , H04L47/125 , H04L47/2425 , H04L47/2441 , H04L47/245 , H04L67/1002 , H04L67/16 , H04L67/28 , H04L67/2838 , H04L69/16 , H04L69/161 , H04L69/163 , H04L69/165 , H04L69/22 , H04L69/329 , H04L2029/06054
摘要： A system and method are disclosed for providing a plurality of network services. The method includes receiving at a forwarding agent a plurality of matching instructions corresponding to a specified flow from one or more service managers and storing the plurality of matching instructions on the forwarding agent having a forwarding agent network interface. A packet for the specified flow at the forwarding agent is received on the forwarding agent network interface. A highest service priority matching instruction stored on the forwarding agent is determined. The packet is processed according to the highest priority matching instruction. A next highest service priority matching instruction stored on the forwarding agent is determined and the packet is processed according to the next highest service priority matching instruction.
摘要翻译：公开了一种用于提供多个网络服务的系统和方法。该方法包括在转发代理处接收与一个或多个服务管理器的指定流对应的多个匹配指令，并将多个匹配指令存储在具有转发代理网络接口的转发代理上。在转发代理网络接口上收到转发代理指定流的报文。确定存储在转发代理上的最高服务优先级匹配指令。根据最高优先级匹配指令对数据包进行处理。确定存储在转发代理上的下一个最高服务优先级匹配指令，并根据下一个最高服务优先级匹配指令处理该分组。

47. 发明授权

US06650641B1 Network address translation using a forwarding agent 有权
标题翻译：网络地址转换使用转发代理
公开(公告)号：US06650641B1
公开(公告)日：2003-11-18
申请号：US09347109
申请日：1999-07-02
申请人： Mark Albert , Richard A. Howes , James A. Jordan , Edward A. Kersey , William M. LeBlanc , Jacob Mark McGuire , Louis F. Menditto , Chris O'Rourke , Pranav Kumar Tiwari , Tzu-Ming Tsang
发明人： Mark Albert , Richard A. Howes , James A. Jordan , Edward A. Kersey , William M. LeBlanc , Jacob Mark McGuire , Louis F. Menditto , Chris O'Rourke , Pranav Kumar Tiwari , Tzu-Ming Tsang
IPC分类号： H04L1256
CPC分类号： H04L63/08 , H04L29/12009 , H04L29/12367 , H04L29/12481 , H04L61/2514 , H04L61/2557 , H04L67/1002 , H04L2029/06054
摘要： A system and method are disclosed for specifying network address translation for a set of packets. A first set of instructions is sent to a forwarding agent specifying criteria for designated packets that are designated to undergo network address translation. A matching packet is received from the forwarding agent that matches the specified criteria. A network address translation scheme is determined for the matching packet. A second set of instructions are sent specifying the network address translation scheme for packets associated with the matching packet.
摘要翻译：公开了一种用于指定一组分组的网络地址转换的系统和方法。第一组指令被发送到指定经过网络地址转换的指定分组的指定标准的转发代理。从转发代理接收到匹配指定条件的匹配报文。确定匹配包的网络地址转换方案。发送第二组指令，指定与匹配分组相关联的分组的网络地址转换方案。

48. 发明授权

US07890662B2 System and method for providing unified IP presence 有权
标题翻译：提供统一的IP存在的系统和方法
公开(公告)号：US07890662B2
公开(公告)日：2011-02-15
申请号：US11838460
申请日：2007-08-14
申请人： Mark Albert , Chris O'Rourke , Richard L. Gray , Robert A. Mackie
发明人： Mark Albert , Chris O'Rourke , Richard L. Gray , Robert A. Mackie
IPC分类号： G06F15/16 , G06F15/173
CPC分类号： H04L69/40 , H04L67/1095
摘要： In accordance with one embodiment, a method includes creating a first session object by a first traffic processor of a first network element operating in an active mode, the first session object being associated with a communication session between an end user terminal and an information provider. The method further includes sending a state synchronization message associated with the first session object from the first traffic processor. The state synchronization message includes a transport layer address associated with a second traffic processor of a second network element operating in a standby mode. The state synchronization message is adapted to be received by the second traffic processor and cause the second traffic processor to create a second session object, the second session object tracking the communication session between the end user terminal and the information provider.
摘要翻译：根据一个实施例，一种方法包括由处于活动模式的第一网络元件的第一流量处理器创建第一会话对象，第一会话对象与最终用户终端和信息提供者之间的通信会话相关联。该方法还包括从第一业务处理器发送与第一会话对象相关联的状态同步消息。状态同步消息包括与处于待机模式的第二网络元件的第二业务处理器相关联的传输层地址。所述状态同步消息适于由所述第二业务处理器接收并使所述第二业务处理器创建第二会话对象，所述第二会话对象跟踪所述终端用户终端和所述信息提供者之间的通信会话。

49. 发明授权

US07570586B1 Backup service managers for providing reliable network services in a distributed environment 有权
标题翻译：备份服务管理器，用于在分布式环境中提供可靠的网络服务
公开(公告)号：US07570586B1
公开(公告)日：2009-08-04
申请号：US10737580
申请日：2003-12-16
申请人： Mark Albert , Richard A. Howes , James A. Jordan , Edward A. Kersey , William M. LeBlanc , Louis F. Menditto , Chris O'Rourke , Pranav Kumar Tiwari , Tzu-Ming Tsang , Bruce F. Wong
发明人： Mark Albert , Richard A. Howes , James A. Jordan , Edward A. Kersey , William M. LeBlanc , Louis F. Menditto , Chris O'Rourke , Pranav Kumar Tiwari , Tzu-Ming Tsang , Bruce F. Wong
IPC分类号： H04J1/16
CPC分类号： H04L29/06 , H04L47/10 , H04L47/125 , H04L67/1002 , H04L67/2814 , H04L69/329 , H04L69/40
摘要： A system and method are disclosed for providing a network service. A first criteria specifying a first set of flows from a first service manager is received at a forwarding agent. The first criteria specifies an expiration time interval. The first criteria is stored on the forwarding agent. A second criteria is received that specifies a second set of flows from a second service manager at the forwarding agent. The second set of flows includes flows that are in the first set of flows and the second criteria is designated as a lower priority criteria. The second criteria is stored on the forwarding agent. The first criteria is deleted from the forwarding agent upon the expiration of the expiration time interval. A packet is received that belongs to a flow that is included in the first set and the second set. It is determined that the packet matches the second set ant the packet is forwarded to the second service manager.
摘要翻译：公开了一种用于提供网络服务的系统和方法。在转发代理处接收从第一服务管理器指定第一组流的第一标准。第一个条件指定一个到期时间间隔。第一个条件存储在转发代理上。接收到第二标准，其指定来自第二服务管理器在转发代理处的第二组流。第二组流包括在第一组流中的流，并且第二标准被指定为较低优先级标准。第二个条件存储在转发代理上。在到期时间间隔到期时，第一个条件从转发代理中删除。接收到属于第一组和第二组中包含的流的分组。确定该分组与分组转发到第二服务管理器的第二组蚂蚁匹配。

50. 发明授权

US06909724B1 Synchronizing service instructions among forwarding agents using a service manager 有权
标题翻译：使用服务管理器同步转发代理之间的服务指令
公开(公告)号：US06909724B1
公开(公告)日：2005-06-21
申请号：US10623298
申请日：2003-07-18
申请人： Mark Albert , Richard A. Howes , James A. Jordon , Edward A. Kersey , Louis F. Menditto , Chris O'Rourke , Pranav Kumar Tiwari , Tzu-Ming Tsang
发明人： Mark Albert , Richard A. Howes , James A. Jordon , Edward A. Kersey , Louis F. Menditto , Chris O'Rourke , Pranav Kumar Tiwari , Tzu-Ming Tsang
IPC分类号： H04L12/56 , H04J3/16
CPC分类号： H04L45/22 , H04L45/00 , H04L45/38 , H04L49/25 , H04L49/602
摘要： A method of obtaining instructions for routing a packet is described that includes receiving a packet having a packet flow identifier that includes a packet source IP address, a packet destination IP address, a packet source port, and a packet destination port and checking whether the packet flow identifier matches a stored instruction. If the packet flow identifier does not match a stored instruction, whether the packet flow identifier matches a stored criteria is checked and if the packet matches a stored criteria, the packet is forwarded to a service manager.
摘要翻译：描述了一种获取用于路由分组的指令的方法，包括接收具有分组流标识符的分组，分组流标识符包括分组源IP地址，分组目的地IP地址，分组源端口和分组目的地端口，并检查分组流标识符与存储的指令匹配。如果分组流标识符与存储的指令不匹配，则检查分组流标识符是否匹配存储的标准，并且如果分组与存储的标准匹配，则分组被转发到服务管理器。

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