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    Method and System for Communicating Multicast Traffic Over Protected Paths
    1.
    发明申请
    Method and System for Communicating Multicast Traffic Over Protected Paths 有权
    在保护路径上通信组播流量的方法和系统

    公开(公告)号：US20120093152A1

    公开(公告)日：2012-04-19

    申请号：US12905199

    申请日：2010-10-15

    申请人： Bijendra Singh ,  Calvin Wan ,  Arindam Paul ,  Swati Mittal

    发明人： Bijendra Singh ,  Calvin Wan ,  Arindam Paul ,  Swati Mittal

    IPC分类号： H04L12/56

    CPC分类号： H04L45/245 ,  H04L45/16 ,  H04L45/28 ,  H04L45/48 ,  Y02D50/30

    摘要： In accordance with embodiments of the present disclosure, a method is provided for communicating multicast traffic. The method may include in response to receipt of multicast control traffic at a network element to be communicated to a protection switching group, communicating the multicast control traffic to each of a working path and a protection path of the protection switching group. The method may also include in response to receipt of multicast control traffic via either of the working path and the protection path, processing the multicast control traffic as if the multicast control traffic was received via both the working path and the protection path.

    摘要翻译： 根据本公开的实施例，提供了一种用于传送多播业务的方法。 该方法可以响应于在要传送到保护交换组的网络单元处的接收到组播控制业务，将组播控制业务传送到保护交换组的工作路径和保护路径中的每一个。 该方法还可以包括响应于通过工作路径和保护路径之一接收到组播控制业务，如同通过工作路径和保护路径接收到组播控制业务一样处理组播控制业务。

    Method and system for communicating multicast traffic over protected paths
    2.
    发明授权
    Method and system for communicating multicast traffic over protected paths 有权
    用于在受保护的路径上通信多播流量的方法和系统

    公开(公告)号：US08659994B2

    公开(公告)日：2014-02-25

    申请号：US12905199

    申请日：2010-10-15

    申请人： Bijendra Singh ,  Calvin Wan ,  Arindam Paul ,  Swati Mittal

    发明人： Bijendra Singh ,  Calvin Wan ,  Arindam Paul ,  Swati Mittal

    IPC分类号： H04J3/14 ,  H04L12/26 ,  H04L12/56 ,  H04J14/00 ,  G06F11/00 ,  G06F15/173

    CPC分类号： H04L45/245 ,  H04L45/16 ,  H04L45/28 ,  H04L45/48 ,  Y02D50/30

    摘要： In accordance with embodiments of the present disclosure, a method is provided for communicating multicast traffic. The method may include in response to receipt of multicast control traffic at a network element to be communicated to a protection switching group, communicating the multicast control traffic to each of a working path and a protection path of the protection switching group. The method may also include in response to receipt of multicast control traffic via either of the working path and the protection path, processing the multicast control traffic as if the multicast control traffic was received via both the working path and the protection path.

    摘要翻译： 根据本公开的实施例，提供了一种用于传送多播业务的方法。 该方法可以响应于在要传送到保护交换组的网络单元处的接收到组播控制业务，将组播控制业务传送到保护交换组的工作路径和保护路径中的每一个。 该方法还可以包括响应于通过工作路径和保护路径之一接收到组播控制业务，如同通过工作路径和保护路径接收到组播控制业务一样处理组播控制业务。

    MAC ADDRESS TABLE COLLECTION IN DISTRIBUTED SWITCHING SYSTEMS
    3.
    发明申请
    MAC ADDRESS TABLE COLLECTION IN DISTRIBUTED SWITCHING SYSTEMS 有权
    分布式交换系统中的MAC地址表收集

    公开(公告)号：US20120320930A1

    公开(公告)日：2012-12-20

    申请号：US13160283

    申请日：2011-06-14

    申请人： Bijendra Singh ,  Arun Saha ,  Arindam Paul

    发明人： Bijendra Singh ,  Arun Saha ,  Arindam Paul

    IPC分类号： H04L12/56

    CPC分类号： H04L49/351 ,  H04L49/3009

    摘要： In accordance with embodiments of the present disclosure, a switch may include a processor and a plurality of line cards, each line card including a table of addresses. The processor may be configured to: (i) read, from a first line card of the plurality of line cards, addresses relating to all flooding domains present on the first line card; (ii) store the addresses read from the first line card on a memory accessible to the processor; (iii) determine a second line card of the plurality of line cards, the second line card having the presence of at least one flooding domain not present on the first line card; (iv) read, from the second line card, addresses relating to all flooding domains present on the second line card; and (v) store the addresses read from the second line card on the memory.

    摘要翻译： 根据本公开的实施例，开关可以包括处理器和多个线卡，每个线卡包括地址表。 处理器可以被配置为：（i）从多个线路卡的第一线路卡读取与存在于第一线路卡上的所有洪泛域有关的地址; （ii）将从第一线卡读取的地址存储在处理器可访问的存储器上; （iii）确定所述多个线路卡的第二线路卡，所述第二线路卡具有不存在于所述第一线路卡上的至少一个洪泛域; （iv）从第二线卡读取与存在于第二线卡上的所有洪泛域有关的地址; 和（v）将从第二线卡读取的地址存储在存储器上。

    MAC address table collection in distributed switching systems
    4.
    发明授权
    MAC address table collection in distributed switching systems 有权
    分布式交换系统中的MAC地址表收集

    公开(公告)号：US08565251B2

    公开(公告)日：2013-10-22

    申请号：US13160283

    申请日：2011-06-14

    申请人： Bijendra Singh ,  Arun Saha ,  Arindam Paul

    发明人： Bijendra Singh ,  Arun Saha ,  Arindam Paul

    IPC分类号： H04L12/28 ,  H04L12/56

    CPC分类号： H04L49/351 ,  H04L49/3009

    摘要： In accordance with embodiments of the present disclosure, a switch may include a processor and a plurality of line cards, each line card including a table of addresses. The processor may be configured to: (i) read, from a first line card of the plurality of line cards, addresses relating to all flooding domains present on the first line card; (ii) store the addresses read from the first line card on a memory accessible to the processor; (iii) determine a second line card of the plurality of line cards, the second line card having the presence of at least one flooding domain not present on the first line card; (iv) read, from the second line card, addresses relating to all flooding domains present on the second line card; and (v) store the addresses read from the second line card on the memory.

    摘要翻译： 根据本公开的实施例，开关可以包括处理器和多个线卡，每个线卡包括地址表。 处理器可以被配置为：（i）从多个线路卡的第一线路卡读取与存在于第一线路卡上的所有洪泛域有关的地址; （ii）将从第一线卡读取的地址存储在处理器可访问的存储器上; （iii）确定所述多个线路卡的第二线路卡，所述第二线路卡具有不存在于所述第一线路卡上的至少一个洪泛域; （iv）从第二线卡读取与存在于第二线卡上的所有洪泛域有关的地址; 和（v）将从第二线卡读取的地址存储在存储器上。

    Interlocking input/outputs on a virtual logic unit number
    5.
    发明授权
    Interlocking input/outputs on a virtual logic unit number 有权
    在虚拟逻辑单元号上联锁输入/输出

    公开(公告)号：US08127062B2

    公开(公告)日：2012-02-28

    申请号：US12841938

    申请日：2010-07-22

    申请人： Maurilio Cometto ,  Arindam Paul ,  Varagur V. Chandrasekaran

    发明人： Maurilio Cometto ,  Arindam Paul ,  Varagur V. Chandrasekaran

    IPC分类号： G06F12/14 ,  G06F12/00 ,  G06F15/16

    CPC分类号： G06F3/0637 ,  G06F3/0622 ,  G06F3/067 ,  H04L67/1097

    摘要： In one embodiment, a solution is provided wherein a lock client sends lock requests to a lock manager upon receipt of an input/output (I/O) and receives back a lock grant. At some point later, the lock client may send a lock release. The lock manager, upon receipt of a lock release from a lock client, remove a first lock request corresponding to the lock release from a lock grant queue corresponding to the lock manager. Then, for each dependency queue lock request in a dependency queue corresponding to the first lock request, the lock manager may determine whether the dependency queue lock request conflicts with a second lock request in the lock grant queue, and then may process the dependency queue lock request according to whether the dependency queue lock requires conflicts with a second lock request in the lock grant queue.

    摘要翻译： 在一个实施例中，提供了解决方案，其中锁定客户端在接收到输入/输出（I / O）时向锁定管理器发送锁定请求，并且接收到锁定授权。 稍后，锁定客户端可能会发送锁定释放。 锁管理器在收到锁定客户端的锁定释放后，从与锁定管理器对应的锁定授权队列中删除与锁定释放相对应的第一个锁定请求。 然后，对于与第一锁定请求对应的依赖性队列中的每个依赖性队列锁定请求，锁定管理器可以确定依赖性队列锁定请求是否与锁定授权队列中的第二个锁定请求冲突，然后可以处理依赖性队列锁定 根据依赖性队列锁是否需要与锁定授权队列中的第二个锁定请求冲突来请求。

    Detecting rootkits over a storage area network
    6.
    发明授权
    Detecting rootkits over a storage area network 有权
    通过存储区域网络检测rootkit

    公开(公告)号：US08510837B2

    公开(公告)日：2013-08-13

    申请号：US11967731

    申请日：2007-12-31

    申请人： Fabio R. Maino ,  Dinesh G. Dutt ,  Samar Sharma ,  Arindam Paul

    发明人： Fabio R. Maino ,  Dinesh G. Dutt ,  Samar Sharma ,  Arindam Paul

    IPC分类号： H04L29/06

    CPC分类号： G06F21/564 ,  G06F21/566 ,  G06F2221/2151

    摘要： Embodiments of the invention improve the detection of malicious software applications, such as a rootkit, on hosts configured to access storage volumes over a storage area network (SAN). A rootkit detection program running on a switch may be configured to detect rootkits present on the storage volumes of the SAN. Because the switch may mount and access storage volumes independently from the (possibly comprised) hosts, the rootkit is not able to conceal itself from the rootkit detection program running on the switch.

    摘要翻译： 本发明的实施例改进了被配置为通过存储区域网络（SAN）访问存储卷的主机上的恶意软件应用程序（例如rootkit）的检测。 可以将在交换机上运行的rootkit检测程序配置为检测存储在SAN存储卷上的rootkit。 因为交换机可以独立于（可能包含的）主机安装和访问存储卷，所以rootkit不能将自己隐藏在交换机上运行的rootkit检测程序中。

    Interlocking input/outputs on a virtual logic unit number
    7.
    发明授权
    Interlocking input/outputs on a virtual logic unit number 有权
    在虚拟逻辑单元号上联锁输入/输出

    公开(公告)号：US07783805B2

    公开(公告)日：2010-08-24

    申请号：US11606846

    申请日：2006-11-29

    申请人： Maurilio Cometto ,  Arindam Paul ,  Varagur V. Chandrasekaran

    发明人： Maurilio Cometto ,  Arindam Paul ,  Varagur V. Chandrasekaran

    IPC分类号： G06F12/14 ,  G06F12/00 ,  G06F15/16

    CPC分类号： G06F3/0637 ,  G06F3/0622 ,  G06F3/067 ,  H04L67/1097

    摘要： In one embodiment, a solution is provided wherein a lock client sends lock requests to a lock manager upon receipt of an input/output (I/O) and receives back a lock grant. At some point later, the lock client may send a lock release. The lock manager, upon receipt of a lock release from a lock client, remove a first lock request corresponding to the lock release from a lock grant queue corresponding to the lock manager. Then, for each dependency queue lock request in a dependency queue corresponding to the first lock request, the lock manager may determine whether the dependency queue lock request conflicts with a second lock request in the lock grant queue, and then may process the dependency queue lock request according to whether the dependency queue lock requires conflicts with a second lock request in the lock grant queue.

    摘要翻译： 在一个实施例中，提供了解决方案，其中锁定客户端在接收到输入/输出（I / O）时向锁定管理器发送锁定请求，并且接收到锁定授权。 稍后，锁定客户端可能会发送锁定释放。 锁管理器在收到锁定客户端的锁定释放后，从与锁定管理器对应的锁定授权队列中删除与锁定释放相对应的第一个锁定请求。 然后，对于与第一锁定请求对应的依赖性队列中的每个依赖性队列锁定请求，锁定管理器可以确定依赖性队列锁定请求是否与锁定授权队列中的第二个锁定请求冲突，然后可以处理依赖性队列锁定 根据依赖性队列锁是否需要与锁定授权队列中的第二个锁定请求冲突来请求。

    Detection and enforcement of version compatibility in network devices
    8.
    发明授权
    Detection and enforcement of version compatibility in network devices 有权
    检测和强制网络设备中的版本兼容性

    公开(公告)号：US07765194B1

    公开(公告)日：2010-07-27

    申请号：US11378991

    申请日：2006-03-17

    申请人： Samar Sharma ,  Arindam Paul ,  Umesh Mahajan

    发明人： Samar Sharma ,  Arindam Paul ,  Umesh Mahajan

    IPC分类号： G06F17/00

    CPC分类号： G06F8/71 ,  G06F9/44536

    摘要： Methods and apparatus are provided for detecting and maintaining version compatibility in network devices. Interfaces associated with network devices and components are controlled in order to generate compatibility information at compile time. Version compatibility information embedded in image headers is checked during installation. Version compatibility information is also used to generate access control lists. Access control lists prevent incompatible device communication during run time.

    摘要翻译： 提供了用于检测和维护网络设备中的版本兼容性的方法和装置。 控制与网络设备和组件相关联的接口，以便在编译时生成兼容性信息。 在安装过程中检查映像头中嵌入的版本兼容性信息。 版本兼容性信息也用于生成访问控制列表。 访问控制列表在运行时阻止不兼容的设备通信。