公开(公告)号：US20230353994A1

公开(公告)日：2023-11-02

申请号：US18217489

申请日：2023-06-30

申请人： ASPEN NETWORKS, INC.

发明人： Sajit Bhaskaran ,  John Tong-Kin Yu

IPC分类号： H04W4/40 ,  H04W76/14 ,  G06F16/29

CPC分类号： H04W4/40 ,  H04W76/14 ,  G06F16/29 ,  H04L67/12

摘要： The subject disclosure relates to ways to ensure vehicle network connectivity. In some aspects, a process of the technology includes steps for receiving local network measurement data including one or more connectivity metrics for at least one network provider (e.g., an ISP), and updating a geo-connectivity database using the received local network measurement data. In some aspects, the process can include additional steps for transmitting a geo-connectivity request to a remote Intelligent Vehicle Connectivity Analytics (IVCA) gateway, and for receiving a geo-connectivity reply from the remote IVCA gateway, the geo-connectivity reply including information regarding network availability for the at least one network provider along a vehicle path. Systems and machine-readable media are also provided.

公开(公告)号：US10044555B2

公开(公告)日：2018-08-07

申请号：US14931661

申请日：2015-11-03

申请人： Aspen Networks, Inc.

发明人： Sajit Bhaskaran ,  Anmol Kumar ,  Prashanth Krishnamurthy

IPC分类号： H04L12/26 ,  H04L12/66 ,  H04J3/16 ,  H04L12/24

摘要： A Multi-Homing System is equipped with an Adaptive JSP Access Cloud State Detection apparatus (ACSD) that improves the reliability of the availability of digital connections (links) between computer sites, such as a Computer Premises Network and the Internet, in which such connections are made by connecting through a multiplicity of ISP Access Clouds (links). Reliability is improved over prior art methods by using data elements of Internet Protocol datagrams, e.g. record fields or bits of fields, that are regularly and normally exchanged between the ISP Access Clouds and the CPN without creating additional data traffic. Data Elements from each ISP Access Cloud are used by processing functions of the by the ACSD to test for conditions that indicate that it may be in a DOWN status. when a DOWN status is suspected, other functions in the ACSD initiate transmission of a set of PROBE packets that can reliably determine if the suspect link is actually DOWN or merely giving a response that would be interpreted as DOWN by prior art methods.

公开(公告)号：US20120099447A1

公开(公告)日：2012-04-26

申请号：US12910690

申请日：2010-10-22

申请人： Sajit Bhaskaran ,  Anmol Kumar ,  Prashanth Krishnamurthy

发明人： Sajit Bhaskaran ,  Anmol Kumar ,  Prashanth Krishnamurthy

IPC分类号： H04L12/26

CPC分类号： H04L41/0668 ,  H04L43/0811 ,  H04L43/0864 ,  H04L43/12 ,  H04L43/50

摘要： A Multi-Homing System is equipped with an Adaptive ISP Access Cloud State Detection apparatus (ACSD) that improves the reliability of the availability of digital connections (links) between computer sites, such as a Computer Premises Network and the Internet, in which such connections are made by connecting through a multiplicity of ISP Access Clouds (links). Reliability is improved over prior art methods by using data elements of Internet Protocol data-grams, e.g. record fields or bits of fields, that are regularly and normally exchanged between the ISP Access Clouds and the CPN without creating additional data traffic. Data Elements from each ISP Access Cloud are used by processing functions of the by the ACSD to test for conditions that indicate that it may be in a DOWN status. when a DOWN status is suspected, other functions in the ACSD initiate transmission of a set of PROBE packets that can reliably determine if the suspect link is actually DOWN or merely giving a response that would be interpreted as DOWN by prior art methods.

摘要翻译： 多归属系统配备有自适应ISP接入云状态检测装置（ACSD），其提高计算机站点（例如计算机驻地网络和因特网）之间的数字连接（链路）的可用性的可靠性，其中这种连接 通过多个ISP Access Clouds（链接）进行连接。 通过使用因特网协议数据库的数据元素，例如，可以使用现有技术方法来提高可靠性。 在ISP访问云和CPN之间定期和正常地交换字段的字段或字段，而不创建额外的数据流量。 来自每个ISP访问云的数据元素由ACSD的处理功能用于测试指示它可能处于DOWN状态的条件。 当怀疑DOWN状态时，ACSD中的其他功能启动一组PROBE分组的传输，该组可以可靠地确定可疑链路是否实际上是DOWN，或仅通过现有技术方法给出将被解释为DOWN的响应。

公开(公告)号：US20040114588A1

公开(公告)日：2004-06-17

申请号：US10317809

申请日：2002-12-11

申请人： Aspen Networks, Inc.

发明人： Sajit Bhaskaran

IPC分类号： H04L012/56

CPC分类号： H04L45/44 ,  H04L45/74 ,  H04L49/101 ,  H04L49/351 ,  H04L49/552 ,  H04L49/65

摘要： An apparatus and a method are described for zero packet loss task migration in an network switch in a computer network. The invention relates to active or programmable networks, i.e. networks based on packet switching algorithms and switch configurations which are subject to change. A well-defined protocol enables an intelligent switch to migrate tasks from one forwarding engine to another without any packet loss. This enables the algorithms and configurations of the switch to be updated or modified arbitrarily.

摘要翻译： 描述了在计算机网络中的网络交换机中的零分组丢失任务迁移的装置和方法。 本发明涉及有源或可编程网络，即基于分组交换算法的网络和可能改变的交换机配置。 明确的协议使智能交换机能够将任务从一个转发引擎迁移到另一个转发引擎，而无需任何数据包丢失。 这使得交换机的算法和配置可以任意更新或修改。

公开(公告)号：US20220337982A1

公开(公告)日：2022-10-20

申请号：US17856857

申请日：2022-07-01

申请人： Aspen Networks, Inc.

发明人： Sajit Bhaskaran ,  John Tong-Kin Yu

IPC分类号： H04W4/40 ,  H04W76/14 ,  G06F16/29

摘要： The subject disclosure relates to ways to ensure vehicle network connectivity. In some aspects, a process of the technology includes steps for receiving local network measurement data including one or more connectivity metrics for at least one network provider (e.g., an ISP), and updating a geo-connectivity database using the received local network measurement data. In some aspects, the process can include additional steps for transmitting a geo-connectivity request to a remote Intelligent Vehicle Connectivity Analytics (IVCA) gateway, and for receiving a geo-connectivity reply from the remote IVCA gateway, the geo-connectivity reply including information regarding network availability for the at least one network provider along a vehicle path. Systems and machine-readable media are also provided.

公开(公告)号：US10230570B2

公开(公告)日：2019-03-12

申请号：US15356309

申请日：2016-11-18

申请人： Aspen Networks, Inc.

发明人： Sajit Bhaskaran ,  Anmol Kumar ,  Prashanth Krishnamurthy

IPC分类号： H04L12/28 ,  H04L12/24 ,  H04L12/26

摘要： A Multi-Homing System is equipped with an Adaptive JSP Access Cloud State Detection apparatus (ACSD) that improves the reliability of the availability of digital connections (links) between computer sites, such as a Computer Premises Network and the Internet, in which such connections are made by connecting through a multiplicity of ISP Access Clouds (links). Reliability is improved over prior art methods by using data elements of Internet Protocol datagrams, e.g. record fields or bits of fields, that are regularly and normally exchanged between the ISP Access Clouds and the CPN without creating additional data traffic. Data Elements from each ISP Access Cloud are used by processing functions of the by the ACSD to test for conditions that indicate that it may be in a DOWN status. when a DOWN status is suspected, other functions in the ACSD initiate transmission of a set of PROBE packets that can reliably determine if the suspect link is actually DOWN or merely giving a response that would be interpreted as DOWN by prior art methods.

公开(公告)号：US08059644B2

公开(公告)日：2011-11-15

申请号：US12581091

申请日：2009-10-16

申请人： Sajit Bhaskaran

发明人： Sajit Bhaskaran

IPC分类号： H04L12/28

CPC分类号： H04L45/44 ,  H04L45/74 ,  H04L49/101 ,  H04L49/351 ,  H04L49/552 ,  H04L49/65

摘要： An apparatus and a method are described for zero packet loss task migration in an network switch in a computer network. The invention relates to active or programmable networks, i.e. networks based on packet switching algorithms and switch configurations which are subject to change. A well-defined protocol enables an intelligent switch to migrate tasks from one forwarding engine to another without any packet loss. This enables the algorithms and configurations of the switch to be updated or modified arbitrarily.

摘要翻译： 描述了在计算机网络中的网络交换机中的零分组丢失任务迁移的装置和方法。 本发明涉及有源或可编程网络，即基于分组交换算法的网络和可能改变的交换机配置。 明确的协议使智能交换机能够将任务从一个转发引擎迁移到另一个转发引擎，而无需任何数据包丢失。 这使得交换机的算法和配置可以任意更新或修改。

公开(公告)号：US20140050109A1

公开(公告)日：2014-02-20

申请号：US14062778

申请日：2013-10-24

申请人： Aspen Networks, Inc.

发明人： Sajit BHASKARAN ,  Anmol Kumar ,  Prashanth Krishnamurthy

IPC分类号： H04L12/26

CPC分类号： H04L41/0668 ,  H04L43/0811 ,  H04L43/0864 ,  H04L43/12 ,  H04L43/50

摘要： A Multi-Homing System is equipped with an Adaptive JSP Access Cloud State Detection apparatus (ACSD) that improves the reliability of the availability of digital connections (links) between computer sites, such as a Computer Premises Network and the Internet, in which such connections are made by connecting through a multiplicity of ISP Access Clouds (links). Reliability is improved over prior art methods by using data elements of Internet Protocol datagrams, e.g. record fields or bits of fields, that are regularly and normally exchanged between the ISP Access Clouds and the CPN without creating additional data traffic. Data Elements from each ISP Access Cloud are used by processing functions of the by the ACSD to test for conditions that indicate that it may be in a DOWN status. when a DOWN status is suspected, other functions in the ACSD initiate transmission of a set of PROBE packets that can reliably determine if the suspect link is actually DOWN or merely giving a response that would be interpreted as DOWN by prior art methods.

摘要翻译： 多归属系统配备有自适应JSP接入云状态检测装置（ACSD），其提高计算机站点（例如计算机驻地网络和互联网）之间的数字连接（链路）的可用性的可靠性，其中这些连接 通过多个ISP Access Clouds（链接）进行连接。 通过使用互联网协议数据报的数据元素，比如现有技术的方法，可靠性得到改善。 在ISP访问云和CPN之间定期和正常地交换字段的字段或字段，而不创建额外的数据流量。 来自每个ISP访问云的数据元素由ACSD的处理功能用于测试指示它可能处于DOWN状态的条件。 当怀疑DOWN状态时，ACSD中的其他功能启动一组PROBE分组的传输，该组可以可靠地确定可疑链路是否实际上是DOWN，或仅通过现有技术方法给出将被解释为DOWN的响应。

公开(公告)号：US20100111083A1

公开(公告)日：2010-05-06

申请号：US12581091

申请日：2009-10-16

申请人： SAJIT BHASKARAN

发明人： SAJIT BHASKARAN

IPC分类号： H04L12/56

CPC分类号： H04L45/44 ,  H04L45/74 ,  H04L49/101 ,  H04L49/351 ,  H04L49/552 ,  H04L49/65

摘要： An apparatus and a method are described for zero packet loss task migration in an network switch in a computer network. The invention relates to active or programmable networks, i.e. networks based on packet switching algorithms and switch configurations which are subject to change. A well-defined protocol enables an intelligent switch to migrate tasks from one forwarding engine to another without any packet loss. This enables the algorithms and configurations of the switch to be updated or modified arbitrarily.

摘要翻译： 描述了在计算机网络中的网络交换机中的零分组丢失任务迁移的装置和方法。 本发明涉及有源或可编程网络，即基于分组交换算法的网络和可能改变的交换机配置。 明确的协议使智能交换机能够将任务从一个转发引擎迁移到另一个转发引擎，而无需任何数据包丢失。 这使得交换机的算法和配置可以任意更新或修改。

公开(公告)号：US20090279436A1

公开(公告)日：2009-11-12

申请号：US12137258

申请日：2008-06-11

申请人： BILL CHIN ,  Sajit Bhaskaran ,  Robin Mavunkel

发明人： BILL CHIN ,  Sajit Bhaskaran ,  Robin Mavunkel

IPC分类号： H04L12/56

CPC分类号： H04L45/00 ,  H04L45/22 ,  H04L45/28 ,  H04L65/1006 ,  H04L65/608 ,  H04L65/80

摘要： A method for achieving multiple link quality of service for video and voice calls over Internet links, or over IP links running in private networks, is described. This method applies to both the non-mobile domain (alternate paths exist in one place at the same time) as well as the mobile domain (one path is used at any one place at a given time, but the user device roams from place to place). This method can be implemented as either computer software or other digital logic (ASIC or FPGA). Using this invention, voice and video calls can be moved at will from one path to another, as many times as required during a single conversation, without breaking the RTP voice or video payload stream. The benefit is that embodiments of this invention have a significantly higher probability that a call never breaks under various conditions of quality degrade. This includes the case of link and router failures, which are treated as a special case of quality degrade in the context of voice and video

摘要翻译： 描述了通过因特网链路或通过专用网络中运行的IP链路实现视频和语音呼叫的多个链路服务质量的方法。 此方法适用于非移动域（备用路径同时存在于一个地方）以及移动域（一个路径在给定时间在任何一个地方使用，但用户设备从地方漫游到 地点）。 该方法可以实现为计算机软件或其他数字逻辑（ASIC或FPGA）。 使用本发明，语音和视频呼叫可以随意地从一个路径移动到另一个路径，在单个会话期间按需要多次，而不会中断RTP语音或视频有效载荷流。 其优点在于本发明的实施例具有在不同品质降低的条件下呼叫永不破裂的可能性显着更高。 这包括链路和路由器故障的情况，这被视为在语音和视频环境中质量下降的特殊情况