公开(公告)号：US20070253438A1

公开(公告)日：2007-11-01

申请号：US11413409

申请日：2006-04-28

申请人： David Curry ,  Robert Colvin ,  Samer Nubani ,  Ravindra Sunkad ,  Man-Tung Hsiao ,  Paul Hallinan ,  Rishi Mehta ,  Sanjay Khanna

发明人： David Curry ,  Robert Colvin ,  Samer Nubani ,  Ravindra Sunkad ,  Man-Tung Hsiao ,  Paul Hallinan ,  Rishi Mehta ,  Sanjay Khanna

IPC分类号： H04L12/56 ,  H04L12/28

CPC分类号： H04L47/624 ,  H04L47/10 ,  H04L47/2408 ,  H04L47/2441 ,  H04L47/31 ,  H04L47/60 ,  H04L47/621 ,  H04L49/90

摘要： Differentiated services for network traffic using weighted quality of service is provided. Network traffic is queued into separate per flow queues, and traffic is scheduled from the per flow queues into a group queue. Congestion management is performed on traffic in the group queue. Traffic is marked with priority values, and congestion management is performed based on the priority values. For example, traffic can be marked as “in contract” if it is within a contractual limit, and marked as “out of contract” if it is not within the contractual limit. Marking can also include classifying incoming traffic based on Differentiated Service Code Point. Higher priority traffic can be scheduled from the per flow queues in a strict priority over lower priority traffic. The lower priority traffic can be scheduled in a round robin manner.

摘要翻译： 提供了使用加权质量服务的网络流量差异化服务。 网络流量排队到每个流队列中，流量从每个流队列调度到组队列中。 对组队列中的流量执行拥塞管理。 流量被标记为优先级值，并根据优先级值进行拥塞管理。 例如，如果交易在契约限制范围内，则可以将其标记为“合同”，如果不在合同限制范围内，则标记为“合同”。 标记还可以包括基于差分服务代码点对传入流量进行分类。 可以将优先级较高的流量从严格优先级的每个流队列调度为优先级较低的流量。 较低优先级的流量可以轮循方式进行调度。

公开(公告)号：US08223642B2

公开(公告)日：2012-07-17

申请号：US11413409

申请日：2006-04-28

申请人： David S. Curry ,  Robert J. Colvin ,  Samer I. Nubani ,  Ravindra Sunkad ,  Man-Tung T. Hsiao ,  Paul M. Hallinan ,  Rishi Mehta ,  Sanjay Khanna

发明人： David S. Curry ,  Robert J. Colvin ,  Samer I. Nubani ,  Ravindra Sunkad ,  Man-Tung T. Hsiao ,  Paul M. Hallinan ,  Rishi Mehta ,  Sanjay Khanna

IPC分类号： H04L12/56

CPC分类号： H04L47/624 ,  H04L47/10 ,  H04L47/2408 ,  H04L47/2441 ,  H04L47/31 ,  H04L47/60 ,  H04L47/621 ,  H04L49/90

摘要： Differentiated services for network traffic using weighted quality of service is provided. Network traffic is queued into separate per flow queues, and traffic is scheduled from the per flow queues into a group queue. Congestion management is performed on traffic in the group queue. Traffic is marked with priority values, and congestion management is performed based on the priority values. For example, traffic can be marked as “in contract” if it is within a contractual limit, and marked as “out of contract” if it is not within the contractual limit. Marking can also include classifying incoming traffic based on Differentiated Service Code Point. Higher priority traffic can be scheduled from the per flow queues in a strict priority over lower priority traffic. The lower priority traffic can be scheduled in a round robin manner.

摘要翻译： 提供了使用加权质量服务的网络流量差异化服务。 网络流量排队到每个流队列中，流量从每个流队列调度到组队列中。 对组队列中的流量执行拥塞管理。 流量被标记为优先级值，并根据优先级值进行拥塞管理。 例如，如果交易在契约限制范围内，则可以将其标记为“合同”，如果不在合同限制范围内，则标记为“合同”。 标记还可以包括基于差分服务代码点对传入流量进行分类。 可以将优先级较高的流量从严格优先级的每个流队列调度为优先级较低的流量。 较低优先级的流量可以轮循方式进行调度。

公开(公告)号：US07693046B2

公开(公告)日：2010-04-06

申请号：US11447693

申请日：2006-06-05

申请人： Balaji Rajagopalan ,  Man-Tung T. Hsiao ,  Vivek Venkatraman ,  Ravindra Sunkad ,  Ramkumar Krishnamoorthy

发明人： Balaji Rajagopalan ,  Man-Tung T. Hsiao ,  Vivek Venkatraman ,  Ravindra Sunkad ,  Ramkumar Krishnamoorthy

IPC分类号： H04L12/26 ,  H04L12/28

CPC分类号： H04L45/00 ,  H04L43/0817 ,  H04L45/22 ,  H04L45/28 ,  H04L45/50

摘要： A method or corresponding apparatus in an exemplary embodiment of the present invention monitors an operational status of network links and retrieves or receives the operational status. The operational status is stored (e.g., within 50 msec) on an ongoing basis. The operational status corresponds to an operational LSP from among a primary LSP and secondary LSP(s) used to service traffic via the network links to maintain network connectivity via the LSPs. The secondary LSP(s) may be either a bypass LSP or a backup LSP, where each LSP is Fast Re-route (FRR) enabled. Further, correspondence between the primary LSP, secondary LSP(s), and the network links may be tracked. In order to deliver network traffic via the operational LSP known to service traffic between the source and destination, a link identifier may be used. The link identifier is determined from the source and destination information within the network traffic.

摘要翻译： 在本发明的示例性实施例中的方法或对应的装置监视网络链路的操作状态并检索或接收操作状态。 操作状态在持续的基础上被存储（例如，在50毫秒内）。 操作状态对应于用于通过网络链路服务业务的主LSP和辅助LSP之间的操作LSP，以通过LSP维护网络连接。 辅LSP可以是旁路LSP或备用LSP，其中每个LSP都是快速重路由（FRR）。 此外，可以跟踪主LSP，辅助LSP和网络链路之间的对应关系。 为了通过已知的用于在源和目的地之间的流量服务的操作LSP传送网络流量，可以使用链路标识符。 链路标识符是根据网络流量中的源和目的地信息确定的。

公开(公告)号：US20070280242A1

公开(公告)日：2007-12-06

申请号：US11447693

申请日：2006-06-05

申请人： Balaji Rajagopalan ,  Man-Tung T. Hsiao ,  Vivek Venkatraman ,  Ravindra Sunkad ,  Ramkumar Krishnamoorthy

发明人： Balaji Rajagopalan ,  Man-Tung T. Hsiao ,  Vivek Venkatraman ,  Ravindra Sunkad ,  Ramkumar Krishnamoorthy

IPC分类号： H04L12/26 ,  H04J1/16 ,  H04L12/56

CPC分类号： H04L45/00 ,  H04L43/0817 ,  H04L45/22 ,  H04L45/28 ,  H04L45/50

摘要： A method or corresponding apparatus in an exemplary embodiment of the present invention monitors an operational status of network links and retrieves or receives the operational status. The operational status is stored (e.g., within 50 msec) on an ongoing basis. The operational status corresponds to an operational LSP from among a primary LSP and secondary LSP(s) used to service traffic via the network links to maintain network connectivity via the LSPs. The secondary LSP(s) may be either a bypass LSP or a backup LSP, where each LSP is Fast Re-route (FRR) enabled. Further, correspondence between the primary LSP, secondary LSP(s), and the network links may be tracked. In order to deliver network traffic via the operational LSP known to service traffic between the source and destination, a link identifier may be used. The link identifier is determined from the source and destination information within the network traffic.

摘要翻译： 在本发明的示例性实施例中的方法或对应的装置监视网络链路的操作状态并检索或接收操作状态。 操作状态在持续的基础上被存储（例如，在50毫秒内）。 操作状态对应于用于通过网络链路服务业务的主LSP和辅助LSP之间的操作LSP，以通过LSP维护网络连接。 辅LSP可以是旁路LSP或备用LSP，其中每个LSP都是快速重路由（FRR）。 此外，可以跟踪主LSP，辅助LSP和网络链路之间的对应关系。 为了通过已知的用于在源和目的地之间的流量服务的操作LSP传送网络流量，可以使用链路标识符。 链路标识符是根据网络流量中的源和目的地信息确定的。