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1. 发明授权

US07324526B1 Efficient processing of connection control messages in managing virtual circuits using signaling protocols 有权
标题翻译：使用信令协议管理虚拟电路中的连接控制消息的高效处理
公开(公告)号：US07324526B1
公开(公告)日：2008-01-29
申请号：US10268767
申请日：2002-10-11
申请人： Hrishikesh Vishwas Kulkarni , Sudhakar Shenoy , Balaji Lakshmikanth Bangolae , Srinivas Ananthanaga Kuruganti , Amit S. Phadnis
发明人： Hrishikesh Vishwas Kulkarni , Sudhakar Shenoy , Balaji Lakshmikanth Bangolae , Srinivas Ananthanaga Kuruganti , Amit S. Phadnis
IPC分类号： H04L12/28 , H04L12/56
CPC分类号： H04L12/5601 , H04L49/256 , H04L49/309 , H04L2012/5629 , H04L2012/5667
摘要： To send a connection control message associated with a first set of attributes, only a difference of the first set of attributes from a second set of attributes associated with an already active virtual circuit (to a common destination) may be sent (contained in the connection control message). The devices receiving the message may create the necessary configuration for the new virtual circuit by modifying a copy of the configuration of the active virtual circuit. Processing requirements may be minimized as the devices may not need to parse and decode long list of information element. The feature may be particularly important in setting up a virtual circuit for voice calls, as a long list of attributes may be associated with each virtual circuit, but the difference of attributes being only minimal.
摘要翻译：为了发送与第一组属性相关联的连接控制消息，可以仅发送（包含在连接中）的第一组属性与与已经活动的虚拟电路（到公共目的地）相关联的第二组属性的差异控制消息）。接收消息的设备可以通过修改主动虚拟电路的配置的副本来为新的虚拟电路创建必要的配置。处理要求可能会最小化，因为设备可能不需要解析和解码长列表的信息元素。该特征在设置用于语音呼叫的虚拟电路方面可能是特别重要的，因为长列表的属性可以与每个虚拟电路相关联，但属性的差异仅仅是最小的。

2. 发明授权

US07773607B2 Efficient processing of connection control messages in managing virtual circuits using signaling protocols 有权
标题翻译：使用信令协议管理虚拟电路中的连接控制消息的高效处理
公开(公告)号：US07773607B2
公开(公告)日：2010-08-10
申请号：US11962151
申请日：2007-12-21
申请人： Hrishikesh Vishwas Kulkarni , Sudhakar Shenoy , Balaji Lakshmikanth Bangolae , Srinivas Ananthanaga Kuruganti , Amit S Phadnis
发明人： Hrishikesh Vishwas Kulkarni , Sudhakar Shenoy , Balaji Lakshmikanth Bangolae , Srinivas Ananthanaga Kuruganti , Amit S Phadnis
IPC分类号： H04L12/28 , H04L12/56
CPC分类号： H04L12/5601 , H04L49/256 , H04L49/309 , H04L2012/5629 , H04L2012/5667
摘要： To send a connection control message associated with a first set of attributes, only a difference of the first set of attributes from a second set of attributes associated with an already active virtual circuit (to a common destination) may be sent (contained in the connection control message). The devices receiving the message may create the necessary configuration for the new virtual circuit by modifying a copy of the configuration of the active virtual circuit. Processing requirements may be minimized as the devices may not need to parse and decode long list of information element. The feature may be particularly important in setting up a virtual circuit for voice calls, as a long list of attributes may be associated with each virtual circuit, but the difference of attributes being only minimal.
摘要翻译：为了发送与第一组属性相关联的连接控制消息，可以仅发送（包含在连接中）的第一组属性与与已经活动的虚拟电路（到公共目的地）相关联的第二组属性的差异控制消息）。接收消息的设备可以通过修改主动虚拟电路的配置的副本来为新的虚拟电路创建必要的配置。处理要求可能会最小化，因为设备可能不需要解析和解码长列表的信息元素。该特征在设置用于语音呼叫的虚拟电路方面可能是特别重要的，因为长列表的属性可以与每个虚拟电路相关联，但属性的差异仅仅是最小的。

3. 发明授权

US07602717B1 Efficient use of multiple port interfaces available on a network device supporting ATM 有权
标题翻译：有效利用支持ATM的网络设备上可用的多个端口接口
公开(公告)号：US07602717B1
公开(公告)日：2009-10-13
申请号：US10310029
申请日：2002-12-05
申请人： Sudhakar Shenoy , Balaji Lakshmikanth Bangolae , Hrishikesh Vishwas Kulkarni , Amit S. Phadnis , Shoou Jiah Yiu
发明人： Sudhakar Shenoy , Balaji Lakshmikanth Bangolae , Hrishikesh Vishwas Kulkarni , Amit S. Phadnis , Shoou Jiah Yiu
IPC分类号： G08C15/00 , H04L12/28 , G06F9/46
CPC分类号： H04L12/5601 , H04L47/125 , H04L2012/5627
摘要： Moving a virtual circuit from one port interface to another when multiple port interfaces are present between two network devices. Such a move may be performed, for example, when a port interface fails or when needed to balance the load (e.g., aggregate amount of bandwidth of all virtual circuits presently assigned to a port interface) across multiple port interfaces. As a result, the port interfaces may be used efficiently.
摘要翻译：在两个网络设备之间存在多个端口接口时，将虚拟电路从一个端口接口移动到另一个端口。这样的移动可以例如当端口接口故障或需要平衡负载时（例如，当前分配给端口接口的所有虚拟电路的总带宽量）跨多个端口接口来执行。结果，可以有效地使用端口接口。

4. 发明授权

US07447206B1 PVC suited for supporting user applications with changing requirements 有权
标题翻译： PVC适用于不断变化的需求支持用户应用
公开(公告)号：US07447206B1
公开(公告)日：2008-11-04
申请号：US10193999
申请日：2002-07-15
申请人： Balaji Lakshmikanth Bangolae , Hrishikesh Vishwas Kulkarni , Pankaj Vyas , Sudhakar Shenoy , Amit S. Phadnis
发明人： Balaji Lakshmikanth Bangolae , Hrishikesh Vishwas Kulkarni , Pankaj Vyas , Sudhakar Shenoy , Amit S. Phadnis
IPC分类号： H04L12/28 , H04L12/56
CPC分类号： H04L12/5601 , H04L41/5077 , H04L2012/5625 , H04L2012/563 , H04L2012/5685
摘要： The services offered (e.g., bandwidth) by a PVC can be changed, potentially as and when desired. An end system (of a PVC) may send a request to initiate a change of a service. Each intermediate system may first determine whether the service change can be supported, and passes the request to the next system in the path until the request is received by the other end system of the PVC. Assuming the other end system also can support the change, an acceptance response is propagated in the reverse direction of the same path. Each system may effect the service change upon receiving the acceptance response.
摘要翻译：由PVC提供的服务（例如，带宽）可以根据需要进行改变。一个PVC的终端系统可以发送一个请求来启动服务的更改。每个中间系统可以首先确定是否可以支持服务改变，并且将该请求传递到路径中的下一个系统，直到PVC的另一端系统接收到该请求。假设另一端系统也可以支持改变，则接收响应在相同路径的相反方向上传播。每个系统可能在接收到接受响应后影响服务改变。

5. 发明授权

US07697431B1 Managing the bandwidths of virtual circuits when the aggregate bandwidth to an adjacent device changes 有权
标题翻译：当相邻设备的总带宽发生变化时，管理虚拟电路的带宽
公开(公告)号：US07697431B1
公开(公告)日：2010-04-13
申请号：US10422717
申请日：2003-04-25
申请人： Balaji Lakshmikanth Bangolae , Raghavendra Gopinath , Hrishikesh Vishwas Kulkarni , Jagadeesh Maiya , Pankaj Vyas
发明人： Balaji Lakshmikanth Bangolae , Raghavendra Gopinath , Hrishikesh Vishwas Kulkarni , Jagadeesh Maiya , Pankaj Vyas
IPC分类号： H04L12/28
CPC分类号： H04L47/822 , H04L12/5601 , H04L47/70 , H04L47/745 , H04L47/746 , H04L47/762 , H04L47/828 , H04L2012/5624 , H04L2012/5631 , H04L2012/5679 , H04L2212/00
摘要： The bandwidth of a virtual circuit is changed when the aggregate bandwidth available on path(s) to an adjacent ATM device (through which the VC is provided) changes. The change of bandwidth may be implemented by changing the QoS parameters associated with the virtual circuits. Thus, for example, when one of the paths becomes non-operational, the bandwidth of a virtual circuit may be reduced in a fair manner.
摘要翻译：当路径上可用的相邻ATM设备（通过VC提供）的总带宽发生变化时，虚拟电路的带宽会发生变化。可以通过改变与虚拟电路相关联的QoS参数来实现带宽的改变。因此，例如，当其中一个路径变得不可操作时，可以以公平的方式减少虚拟电路的带宽。

6. 发明授权

US07512065B1 Reducing overhead when setting up multiple virtual circuits using signaling protocols 有权
标题翻译：使用信令协议设置多个虚拟电路时减少开销
公开(公告)号：US07512065B1
公开(公告)日：2009-03-31
申请号：US09976004
申请日：2001-10-15
申请人： Amit S. Phadnis , Pankaj Vyas , Balaji Lakshmikanth Bangolae
发明人： Amit S. Phadnis , Pankaj Vyas , Balaji Lakshmikanth Bangolae
IPC分类号： G01R31/08
CPC分类号： H04L47/15 , H04L47/70 , H04L47/828 , H04L2012/5629
摘要： Setting up a group of virtual circuits using a single set up message request. In an embodiment, fewer than all of the virtual circuits in the group are immediately provisioned, and the remaining virtual circuits are placed in an inactive status by appropriate configuration of all the devices in the path of the group of virtual circuits. Each of the inactive virtual circuits can be activated (complete provisioning) as and when required. The bandwidth overhead on the networks is reduced as fewer signaling messages would be used in provisioning several virtual circuits. The parsing overhead is reduced on the devices processing the signaling messages as a result.
摘要翻译：使用单个设置消息请求设置一组虚拟电路。在一个实施例中，组中的所有虚拟电路中的少于所有虚拟电路都被提供，并且通过对虚拟电路组的路径中的所有设备的适当配置将剩余的虚拟电路置于非活动状态。每个非活动虚拟电路可以在需要时激活（完全配置）。网络上的带宽开销减少，因为在配置多个虚拟电路时将使用更少的信令消息。结果，在处理信令消息的设备上减少了解析开销。

7. 发明授权

US07480732B1 Multicasting method and system using an ATM switch 有权
标题翻译：使用ATM交换机的组播方式和系统
公开(公告)号：US07480732B1
公开(公告)日：2009-01-20
申请号：US10126511
申请日：2002-04-22
申请人： Pankaj Vyas , Balaji Lakshmikanth Bangolae , Amit S. Phadnis
发明人： Pankaj Vyas , Balaji Lakshmikanth Bangolae , Amit S. Phadnis
IPC分类号： G06F15/173
CPC分类号： H04L12/1886 , H04L49/203
摘要： A switch may be configured to support a point-to-multi-point PVC which can be used to support a point to multi-point application. The signaling overhead is reduced due to the use of PVC, and the available bandwidth is used efficiently due to the use of the point-to-multi-point connection. Another aspect of the present invention minimizes the resources required while providing such point-to-multi-point virtual connections. A switch may minimize allocation of resources to branches that are not active. For example, a switch may determine that a branch is inactive based on the absence of reception of OAM cells in a specified duration and delete the forwarding information for the inactive branch. The switch may thus scale to support many point-to-multi-point virtual circuits having many branches.
摘要翻译：交换机可以被配置为支持可以用于支持点到多点应用的点对多点PVC。由于使用PVC，信令开销降低，并且由于使用点到多点连接，可用带宽被有效地使用。本发明的另一方面使提供这种点对多点虚拟连接所需的资源最小化。交换机可以将资源的分配最小化到不活跃的分支。例如，交换机可以基于在指定持续时间内不存在OAM小区的接收来确定分支是不活动的，并且删除非活动分支的转发信息。因此，交换机可以缩放以支持具有许多分支的许多点到多点虚拟电路。

8. 发明授权

US07826355B2 Reducing overhead when setting up multiple virtual circuits using signaling protocols 有权
标题翻译：使用信令协议设置多个虚拟电路时减少开销
公开(公告)号：US07826355B2
公开(公告)日：2010-11-02
申请号：US11308622
申请日：2006-04-13
申请人： Amit S Phadnis , Pankaj Vyas , Balaji Lakshmikanth Bangolae
发明人： Amit S Phadnis , Pankaj Vyas , Balaji Lakshmikanth Bangolae
IPC分类号： G01R31/08
CPC分类号： H04L47/15 , H04L47/70 , H04L47/828 , H04L2012/5629
摘要： Setting up a group of virtual circuits using a single set up message request. In an embodiment, fewer than all of the virtual circuits in the group are immediately provisioned, and the remaining virtual circuits are placed in an inactive status by appropriate configuration of all the devices in the path of the group of virtual circuits. Each of the inactive virtual circuits can be activated (complete provisioning) as and when required. The bandwidth overhead on the networks is reduced as fewer signaling messages would be used in provisioning several virtual circuits. The parsing overhead is reduced on the devices processing the signaling messages as a result.
摘要翻译：使用单个设置消息请求设置一组虚拟电路。在一个实施例中，组中的所有虚拟电路中的少于所有虚拟电路都被提供，并且通过对虚拟电路组的路径中的所有设备的适当配置将剩余的虚拟电路置于非活动状态。每个非活动虚拟电路可以在需要时激活（完全配置）。网络上的带宽开销减少，因为在配置多个虚拟电路时将使用更少的信令消息。结果，在处理信令消息的设备上减少了解析开销。

9. 发明授权

US07088682B1 Reducing overhead when using loopback cells for fault detection in bi-directional virtual circuits 有权
公开(公告)号：US07088682B1
公开(公告)日：2006-08-08
申请号：US09924722
申请日：2001-08-09
申请人： Balaji Lakshmikanth Bangolae , Sudhakar Shenoy , Shiju Joseph
发明人： Balaji Lakshmikanth Bangolae , Sudhakar Shenoy , Shiju Joseph
IPC分类号： G01R31/08
CPC分类号： H04L12/5601 , H04L2012/5625 , H04L2012/5627 , H04L2012/5628
摘要： An end system (“first end system”) concluding that a bi-directional virtual circuit is operational if the other end system (at the other end of the virtual circuit) has determined that the virtual circuit is operable based on the loopback cells. In other words, the first end system may not send loopback cells, and instead rely on the determination of the other end system. As a result, the total number of loopback cells may be reduced on a network backbone.

10. 发明授权

US07583606B2 Reducing overhead when using loopback cells for fault detection in bi-directional virtual circuits 有权
标题翻译：在双向虚拟电路中使用环回单元进行故障检测时，减少开销
公开(公告)号：US07583606B2
公开(公告)日：2009-09-01
申请号：US11163360
申请日：2005-10-17
申请人： Balaji Lakshmikanth Bangolae , Sudhakar Shenoy , Shiju Joseph
发明人： Balaji Lakshmikanth Bangolae , Sudhakar Shenoy , Shiju Joseph
IPC分类号： G01R31/08
CPC分类号： H04L12/5601 , H04L2012/5625 , H04L2012/5627 , H04L2012/5628
摘要： An end system (“first end system”) concluding that a bi-directional virtual circuit is operational if the other end system (at the other end of the virtual circuit) has determined that the virtual circuit is operable based on the loopback cells. In other words, the first end system may not send loopback cells, and instead rely on the determination of the other end system. As a result, the total number of loopback cells may be reduced on a network backbone.
摘要翻译：如果另一端系统（在虚拟电路的另一端）已经基于环回单元确定虚拟电路可操作，则终端系统（“第一端系统”）得出结论，双向虚拟电路是可操作的。换句话说，第一端系统可能不发送环回小区，而是依赖于另一端系统的确定。结果，可以在网络骨干网上减少环回单元的总数。

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