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1. 发明授权

US07046680B1 Network access system including a programmable access device having distributed service control 有权
公开(公告)号：US07046680B1
公开(公告)日：2006-05-16
申请号：US09723482
申请日：2000-11-28
申请人： Dave McDysan , Howard Lee Thomas , Lei Yao
发明人： Dave McDysan , Howard Lee Thomas , Lei Yao
IPC分类号： H04L12/28
CPC分类号： H04L63/0236 , H04L45/308 , H04L45/60 , H04L47/2475 , H04L63/102
摘要： A distributed network access system in accordance with the present invention includes at least an external processor and a programmable access device. The programmable access device has a message interface coupled to the external processor and first and second network interfaces through which packets are communicated with a network. The programmable access device includes a packet header filter and a forwarding table that is utilized to route packets communicated between the first and second network interfaces. In response to receipt of a series of packets, the packet header filter in the programmable access device identifies messages in the series of messages upon which policy-based services are to be implemented and passes identified messages via the message interface to the external processor for processing. In response to receipt of a message, the external processor invokes service control on the message and may also invoke policy control on the message.

2. 发明授权

US08185615B1 Message, control and reporting interface for a distributed network access system 有权
标题翻译：分布式网络访问系统的消息，控制和报告界面
公开(公告)号：US08185615B1
公开(公告)日：2012-05-22
申请号：US09723480
申请日：2000-11-28
申请人： Dave McDysan , Howard Lee Thomas , Lei Yao
发明人： Dave McDysan , Howard Lee Thomas , Lei Yao
IPC分类号： G06F15/173
CPC分类号： H04L29/06 , H04L41/0663 , H04L41/0893 , H04L43/00 , H04L43/06 , H04L43/16 , H04L69/16 , H04L69/164 , H04L69/165 , H04L69/22
摘要： In a network access system including an external processor and a programmable access device, the external processor transmits a control message to the programmable access device to establish a configuration of the programmable access device. The programmable access device then communicates messages to the external processor for service processing in accordance with the configuration. For example, the control message may be a filter control message that establishes a configuration of a packet header filter in the programmable access device. The packet header filter then communicates network messages filtered from a packet flow in accordance with the configuration established by the control message. To limit the communication of network messages from the programmable access device to the external processor, the external processor can send a message setting message interface flags in the programmable access device. The external processor may also transmit a monitor control message to the programmable access device to establish a configuration of a monitor in the programmable access device. The programmable access device then communicates reporting messages to the external processor in response to the configuration of the monitor.
摘要翻译：在包括外部处理器和可编程访问设备的网络接入系统中，外部处理器向可编程接入设备发送控制消息以建立可编程接入设备的配置。可编程访问设备然后根据该配置将消息传送到外部处理器进行服务处理。例如，控制消息可以是在可编程访问设备中建立分组报头过滤器的配置的过滤器控制消息。分组报头过滤器然后根据由控制消息建立的配置来传送从分组流过滤的网络消息。为了限制网络消息从可编程接入设备到外部处理器的通信，外部处理器可以在可编程接入设备中发送消息设置消息接口标志。外部处理器还可以向可编程接入设备发送监视控制消息，以在可编程接入设备中建立监视器的配置。然后，可编程访问设备响应于监视器的配置将报告消息传送到外部处理器。

3. 发明授权

US07657628B1 External processor for a distributed network access system 有权
标题翻译：用于分布式网络访问系统的外部处理器
公开(公告)号：US07657628B1
公开(公告)日：2010-02-02
申请号：US09723501
申请日：2000-11-28
申请人： Dave McDysan , Howard Lee Thomas , Lei Yao
发明人： Dave McDysan , Howard Lee Thomas , Lei Yao
IPC分类号： G06F15/173 , G06F15/16 , H04L12/28
CPC分类号： H04Q3/0025 , G06F11/2028 , G06F11/2033 , G06F11/2043 , G06F11/2097 , H04L12/185 , H04L12/2898 , H04L29/06 , H04L47/20
摘要： An external processor for a network access system having a programmable access device includes a service controller that provides at least one service for network traffic, a message processor that processes network messages for service processing by the service controller, and a programmable access device controller that programs the programmable access device in response to service controller processing. It is advantageous for the external processor to include primary and secondary service controllers for a particular service so that, if the primary service controller fails, the secondary service controller can provide the particular service for message received from the programmable access device. In preferred embodiments, the service controller further includes a reporting processor that provides an interface through which reporting messages received from the programmable access device can be communicated to the service controller and a signaling controller that transmits signals to configure network hardware to establish requested network connections. The external processor preferably further supports a service policy interface through which the service controller can request policy decisions from a possibly remote policy server.
摘要翻译：用于具有可编程访问设备的网络接入系统的外部处理器包括为网络流量提供至少一个服务的服务控制器，处理由服务控制器进行服务处理的网络消息的消息处理器，以及可编程访问设备控制器可编程接入设备响应业务控制器处理。外部处理器对于特定服务包括主要和次要服务控制器是有利的，使得如果主要服务控制器失败，则次要服务控制器可以为从可编程访问设备接收的消息提供特定服务。在优选实施例中，服务控制器还包括报告处理器，其提供接口，通过该接口，从可编程接入设备接收的报告消息可以通过该接口传送到服务控制器，以及信令控制器，其发送信号以配置网络硬件以建立请求的网络连接。外部处理器优选地进一步支持服务策略接口，服务控制器可通过该服务策略接口从可能的远程策略服务器请求策略决定。

4. 发明授权

US08180870B1 Programmable access device for a distributed network access system 有权
标题翻译：用于分布式网络接入系统的可编程接入设备
公开(公告)号：US08180870B1
公开(公告)日：2012-05-15
申请号：US09723481
申请日：2000-11-28
申请人： Dave McDysan , Howard Lee Thomas , Lei Yao
发明人： Dave McDysan , Howard Lee Thomas , Lei Yao
IPC分类号： G06F15/16
CPC分类号： H04L41/0893 , H04L41/5003 , H04L41/5022 , H04L41/5045 , H04L41/5087 , H04L69/22
摘要： A programmable access device for use in a network access system includes first and second network interfaces through which packets are communicated with a network, a forwarding table utilized to route packets communicated between the first and second network interfaces, and a packet header filter. The packet header filter identifies messages received at one of the first and second network interfaces on which policy-based services are to be implemented and passes identified messages via a message interface to an external processor for processing. In preferred embodiments, the packet header filter is capable of filtering packets for service processing based upon protocol information pertaining to protocol layers higher than layer 3. In preferred embodiments, the programmable access device may also include a usage monitor that reports events, such as session activity levels, to the external processor, a policer that polices packets by reference to programmed traffic parameters, and a scheduler that schedules the transmission of outgoing packets to support multiple quality of service classes.
摘要翻译：用于网络接入系统的可编程接入设备包括第一和第二网络接口，分组与网络通信，第一和第二网络接口，用于路由在第一和第二网络接口之间通信的分组的转发表和分组报头过滤器。分组报头过滤器识别在第一和第二网络接口之一处接收的消息，基于策略的业务将要在其上实现，并且经由消息接口将所识别的消息传递到外部处理器进行处理。在优选实施例中，分组报头过滤器能够基于属于高于层3的协议层的协议信息来过滤用于服务处理的分组。在优选实施例中，可编程接入设备还可以包括报告事件的使用监视器，诸如会话活动级别，外部处理器，通过参考编程的流量参数来监视数据包的策略器;以及调度器，其调度输出数据包的传输以支持多种服务质量等级。

5. 发明申请

US20110270956A1 EXTERNAL PROCESSOR FOR A DISTRIBUTED NETWORK ACCESS SYSTEM 有权
标题翻译：分布式网络访问系统的外部处理器
公开(公告)号：US20110270956A1
公开(公告)日：2011-11-03
申请号：US13180233
申请日：2011-07-11
申请人： Dave McDysan , Howard Lee Thomas , Lei Yao
发明人： Dave McDysan , Howard Lee Thomas , Lei Yao
IPC分类号： G06F15/177
CPC分类号： H04Q3/0025 , G06F11/2028 , G06F11/2033 , G06F11/2043 , G06F11/2097 , H04L12/185 , H04L12/2898 , H04L29/06 , H04L47/20
摘要： An external processor for a network access system having a programmable access device includes a service controller that provides at least one service for network traffic, a message processor that processes network messages for service processing by the service controller, and a programmable access device controller that programs the programmable access device in response to service controller processing. It is advantageous for the external processor to include primary and secondary service controllers for a particular service so that, if the primary service controller fails, the secondary service controller can provide the particular service for message received from the programmable access device. In preferred embodiments, the service controller further includes a reporting processor that provides an interface through which reporting messages received from the programmable access device can be communicated to the service controller and a signaling controller that transmits signals to configure network hardware to establish requested network connections. The external processor preferably further supports a service policy interface through which the service controller can request policy decisions from a possibly remote policy server.
摘要翻译：用于具有可编程访问设备的网络接入系统的外部处理器包括为网络流量提供至少一个服务的服务控制器，处理由服务控制器进行服务处理的网络消息的消息处理器，以及可编程访问设备控制器可编程接入设备响应业务控制器处理。外部处理器对于特定服务包括主要和次要服务控制器是有利的，使得如果主要服务控制器失败，则次要服务控制器可以为从可编程访问设备接收的消息提供特定服务。在优选实施例中，服务控制器还包括报告处理器，其提供接口，通过该接口，从可编程接入设备接收的报告消息可以通过该接口传送到服务控制器，以及信令控制器，其发送信号以配置网络硬件以建立请求的网络连接。外部处理器优选地进一步支持服务策略接口，服务控制器可通过该服务策略接口从可能的远程策略服务器请求策略决定。

6. 发明申请

US20100211678A1 EXTERNAL PROCESSOR FOR A DISTRIBUTED NETWORK ACCESS SYSTEM 有权
标题翻译：分布式网络访问系统的外部处理器
公开(公告)号：US20100211678A1
公开(公告)日：2010-08-19
申请号：US12633543
申请日：2009-12-08
申请人： Dave McDysan , Howard Lee Thomas , Lei Yao
发明人： Dave McDysan , Howard Lee Thomas , Lei Yao
IPC分类号： G06F15/173 , G06F15/16 , H04L12/56
CPC分类号： H04Q3/0025 , G06F11/2028 , G06F11/2033 , G06F11/2043 , G06F11/2097 , H04L12/185 , H04L12/2898 , H04L29/06 , H04L47/20
摘要： An external processor for a network access system having a programmable access device includes a service controller that provides at least one service for network traffic, a message processor that processes network messages for service processing by the service controller, and a programmable access device controller that programs the programmable access device in response to service controller processing. It is advantageous for the external processor to include primary and secondary service controllers for a particular service so that, if the primary service controller fails, the secondary service controller can provide the particular service for message received from the programmable access device. In preferred embodiments, the service controller further includes a reporting processor that provides an interface through which reporting messages received from the programmable access device can be communicated to the service controller and a signaling controller that transmits signals to configure network hardware to establish requested network connections. The external processor preferably further supports a service policy interface through which the service controller can request policy decisions from a possibly remote policy server.
摘要翻译：用于具有可编程访问设备的网络接入系统的外部处理器包括为网络流量提供至少一个服务的服务控制器，处理由服务控制器进行服务处理的网络消息的消息处理器，以及可编程访问设备控制器可编程接入设备响应业务控制器处理。外部处理器对于特定服务包括主要和次要服务控制器是有利的，使得如果主要服务控制器失败，则次要服务控制器可以为从可编程访问设备接收的消息提供特定服务。在优选实施例中，服务控制器还包括报告处理器，其提供接口，通过该接口，从可编程接入设备接收的报告消息可以通过该接口传送到服务控制器，以及信令控制器，其发送信号以配置网络硬件以建立请求的网络连接。外部处理器优选地进一步支持服务策略接口，服务控制器可通过该服务策略接口从可能的远程策略服务器请求策略决定。

7. 发明授权

US06928081B1 Network access system including a programmable access device having distributed service control 有权
公开(公告)号：US06928081B1
公开(公告)日：2005-08-09
申请号：US09723482
申请日：2000-11-28
申请人： Dave McDysan , Howard Lee Thomas , Lei Yao
发明人： Dave McDysan , Howard Lee Thomas , Lei Yao
摘要： A distributed network access system in accordance with the present invention includes at least an external processor and a programmable access device. The programmable access device has a message interface coupled to the external processor and first and second network interfaces through which packets are communicated with a network. The programmable access device includes a packet header filter and a forwarding table that is utilized to route packets communicated between the first and second network interfaces. In response to receipt of a series of packets, the packet header filter in the programmable access device identifies messages in the series of messages upon which policy-based services are to be implemented and passes identified messages via the message interface to the external processor for processing. In response to receipt of a message, the external processor invokes service control on the message and may also invoke policy control on the message.

8. 发明授权

US08296404B2 External processor for a distributed network access system 有权
标题翻译：用于分布式网络访问系统的外部处理器
公开(公告)号：US08296404B2
公开(公告)日：2012-10-23
申请号：US13180233
申请日：2011-07-11
申请人： Dave McDysan , Howard Lee Thomas , Lei Yao
发明人： Dave McDysan , Howard Lee Thomas , Lei Yao
IPC分类号： G06F15/16
CPC分类号： H04Q3/0025 , G06F11/2028 , G06F11/2033 , G06F11/2043 , G06F11/2097 , H04L12/185 , H04L12/2898 , H04L29/06 , H04L47/20
摘要： An external processor for a network access system having a programmable access device includes a service controller that provides at least one service for network traffic, a message processor that processes network messages for service processing by the service controller, and a programmable access device controller that programs the programmable access device in response to service controller processing. It is advantageous for the external processor to include primary and secondary service controllers for a particular service so that, if the primary service controller fails, the secondary service controller can provide the particular service for message received from the programmable access device. In preferred embodiments, the service controller further includes a reporting processor that provides an interface through which reporting messages received from the programmable access device can be communicated to the service controller and a signaling controller that transmits signals to configure network hardware to establish requested network connections. The external processor preferably further supports a service policy interface through which the service controller can request policy decisions from a possibly remote policy server.
摘要翻译：用于具有可编程访问设备的网络接入系统的外部处理器包括为网络流量提供至少一个服务的服务控制器，处理由服务控制器进行服务处理的网络消息的消息处理器，以及可编程访问设备控制器可编程接入设备响应业务控制器处理。外部处理器对于特定服务包括主要和次要服务控制器是有利的，使得如果主要服务控制器失败，则次要服务控制器可以为从可编程访问设备接收的消息提供特定服务。在优选实施例中，服务控制器还包括报告处理器，其提供接口，通过该接口，从可编程接入设备接收的报告消息可以通过该接口传送到服务控制器，以及信令控制器，其发送信号以配置网络硬件以建立请求的网络连接。外部处理器优选地进一步支持服务策略接口，服务控制器可通过该服务策略接口从可能的远程策略服务器请求策略决定。

9. 发明授权

US08131853B2 External processor for a distributed network access system 有权
公开(公告)号：US08131853B2
公开(公告)日：2012-03-06
申请号：US12633543
申请日：2009-12-08
申请人： Dave McDysan , Howard Lee Thomas , Lei Yao
发明人： Dave McDysan , Howard Lee Thomas , Lei Yao
IPC分类号： G06F15/16
CPC分类号： H04Q3/0025 , G06F11/2028 , G06F11/2033 , G06F11/2043 , G06F11/2097 , H04L12/185 , H04L12/2898 , H04L29/06 , H04L47/20
摘要： An external processor for a network access system having a programmable access device includes a service controller that provides at least one service for network traffic, a message processor that processes network messages for service processing by the service controller, and a programmable access device controller that programs the programmable access device in response to service controller processing. It is advantageous for the external processor to include primary and secondary service controllers for a particular service so that, if the primary service controller fails, the secondary service controller can provide the particular service for message received from the programmable access device. In preferred embodiments, the service controller further includes a reporting processor that provides an interface through which reporting messages received from the programmable access device can be communicated to the service controller and a signaling controller that transmits signals to configure network hardware to establish requested network connections. The external processor preferably further supports a service policy interface through which the service controller can request policy decisions from a possibly remote policy server.

10. 发明授权

US07499458B2 Network access system including a programmable access device having distributed service control 有权
标题翻译：网络接入系统包括具有分布式业务控制的可编程接入设备
公开(公告)号：US07499458B2
公开(公告)日：2009-03-03
申请号：US11026216
申请日：2004-12-30
申请人： Dave McDysan , Howard Lee Thomas , Lei Yao
发明人： Dave McDysan , Howard Lee Thomas , Lei Yao
IPC分类号： H04L12/28
CPC分类号： H04L63/0236 , H04L45/308 , H04L45/60 , H04L47/2475 , H04L63/102
摘要： A distributed network access system in accordance with the present invention includes at least an external processor and a programmable access device. The programmable access device has a message interface coupled to the external processor and first and second network interfaces through which packets are communicated with a network. The programmable access device includes a packet header filter and a forwarding table that is utilized to route packets communicated between the first and second network interfaces. In response to receipt of a series of packets, the packet header filter in the programmable access device identifies messages in the series of messages upon which policy-based services are to be implemented and passes identified messages via the message interface to the external processor for processing. In response to receipt of a message, the external processor invokes service control on the message and may also invoke policy control on the message.
摘要翻译：根据本发明的分布式网络接入系统至少包括外部处理器和可编程接入设备。可编程访问设备具有耦合到外部处理器的消息接口以及与网络通信的第一和第二网络接口。可编程接入设备包括分组报头过滤器和用于路由在第一和第二网络接口之间通信的分组的转发表。响应于接收到一系列分组，可编程接入设备中的分组报头过滤器识别要在其上实现基于策略的业务的一系列消息中的消息，并经由消息接口将识别的消息传递到外部处理器进行处理。响应于接收到消息，外部处理器调用对消息的服务控制，并且还可以调用对消息的策略控制。

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