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1. 发明申请

US20120278458A1 Logical Partitioning Of A Physical Device 有权
标题翻译：物理设备的逻辑分区
公开(公告)号：US20120278458A1
公开(公告)日：2012-11-01
申请号：US13543671
申请日：2012-07-06
申请人： Ronak Desai , Ramana Mellacheruvu , Dino Farinacci , Amitkumar Patel , Umesh Mahajan
发明人： Ronak Desai , Ramana Mellacheruvu , Dino Farinacci , Amitkumar Patel , Umesh Mahajan
IPC分类号： G06F15/177
CPC分类号： H04L41/0654 , G06F11/1482 , G06F2201/815 , H04L69/32 , H04L69/40
摘要： In one embodiment, an indication of a fault condition is received relating to a first service running on a physical device in a computer network. The first service is associated with a first virtual device context defined on the physical device. Then, the first service is disabled without affecting operation of a second service on the physical device. The second service is associated with a second virtual device context defined on the physical device. In another embodiment, a first virtual device context is created on a physical device in a computer network. Then, a second virtual device context is created on the physical device. The first virtual device context may then be managed independently of the second virtual device context such that resources assigned to a virtual device context are managed without affecting management of another virtual device context.
摘要翻译：在一个实施例中，接收与在计算机网络中的物理设备上运行的第一服务有关的故障状况的指示。第一服务与在物理设备上定义的第一虚拟设备上下文相关联。然后，第一服务被禁用，而不影响物理设备上的第二服务的操作。第二服务与在物理设备上定义的第二虚拟设备上下文相关联。在另一个实施例中，在计算机网络中的物理设备上创建第一虚拟设备上下文。然后，在物理设备上创建第二虚拟设备上下文。然后可以独立于第二虚拟设备上下文管理第一虚拟设备上下文，使得分配给虚拟设备上下文的资源被管理，而不影响另一虚拟设备上下文的管理。

2. 发明授权

US08949662B2 Logical partitioning of a physical device 有权
标题翻译：物理设备的逻辑分区
公开(公告)号：US08949662B2
公开(公告)日：2015-02-03
申请号：US13543671
申请日：2012-07-06
申请人： Ronak Desai , Ramana Mellacheruvu , Dino Farinacci , Amitkumar Patel , Umesh Mahajan
发明人： Ronak Desai , Ramana Mellacheruvu , Dino Farinacci , Amitkumar Patel , Umesh Mahajan
IPC分类号： G06F11/00 , H04L12/24 , G06F11/14 , H04L29/14 , H04L29/08
CPC分类号： H04L41/0654 , G06F11/1482 , G06F2201/815 , H04L69/32 , H04L69/40
摘要： In one embodiment, an indication of a fault condition is received relating to a first service running on a physical device in a computer network. The first service is associated with a first virtual device context defined on the physical device. Then, the first service is disabled without affecting operation of a second service on the physical device. The second service is associated with a second virtual device context defined on the physical device. In another embodiment, a first virtual device context is created on a physical device in a computer network. Then, a second virtual device context is created on the physical device. The first virtual device context may then be managed independently of the second virtual device context such that resources assigned to a virtual device context are managed without affecting management of another virtual device context.
摘要翻译：在一个实施例中，接收与在计算机网络中的物理设备上运行的第一服务有关的故障状况的指示。第一服务与在物理设备上定义的第一虚拟设备上下文相关联。然后，第一服务被禁用，而不影响物理设备上的第二服务的操作。第二服务与在物理设备上定义的第二虚拟设备上下文相关联。在另一个实施例中，在计算机网络中的物理设备上创建第一虚拟设备上下文。然后，在物理设备上创建第二虚拟设备上下文。然后可以独立于第二虚拟设备上下文管理第一虚拟设备上下文，使得分配给虚拟设备上下文的资源被管理，而不影响另一虚拟设备上下文的管理。

3. 发明授权

US07756066B2 Seamless spanning tree restart of a single supervisor 有权
标题翻译：单个主管的无缝生成树重启
公开(公告)号：US07756066B2
公开(公告)日：2010-07-13
申请号：US11329681
申请日：2006-01-10
申请人： Tameen Khan , Amitkumar Patel , Ronak Desai , Ramana Mellacheruvu , Umesh Mahajan
发明人： Tameen Khan , Amitkumar Patel , Ronak Desai , Ramana Mellacheruvu , Umesh Mahajan
IPC分类号： H04L12/28
CPC分类号： H04L45/18 , H04L45/00 , H04L45/02 , H04L45/48 , H04L49/552 , H04L49/65
摘要： Disclosed are methods and apparatus for restarting a first network device having a plurality of ports for receiving and transmitting layer 2 data. The first network device belongs to a network of network devices. When a restart of at least a portion of the first network device is imminent whereby STP is no longer functioning for the first network device during the restart and can no longer alter a spanning tree protocol (STP) state of one or more of the ports and such ports that remain in a fixed state during the restart are referred to as restarting ports, a current state (such as forwarding) of each restarting port is maintained during the restart under predefined conditions. During the restart, each of the restarting ports of the restarting network device portion cooperate with its peer port of a second non-restarting network device that is a neighbor of the first network device so as to prevent layer 2 loops in the network.
摘要翻译：公开了用于重新启动具有用于接收和发送第二层数据的多个端口的第一网络设备的方法和装置。第一个网络设备属于网络设备网络。当第一网络设备的至少一部分的重新启动迫在眉睫，由此在重新启动期间STP不再对第一网络设备起作用，并且不能再改变一个或多个端口的生成树协议（STP）状态，并且在重新启动期间保持在固定状态的端口被称为重新启动端口，在预定义条件下在重新启动期间维护每个重新启动端口的当前状态（例如转发）。在重新启动期间，重新启动网络设备部分的每个重新启动端口与作为第一网络设备的邻居的第二非重新启动网络设备的对等端口协作，以防止网络中的第二层环路。

4. 发明授权

US08830871B2 Persistent principal switch for fibre channel fabric 有权
标题翻译：光纤通道结构的持续主开关
公开(公告)号：US08830871B2
公开(公告)日：2014-09-09
申请号：US13396831
申请日：2012-02-15
申请人： Christian Sasso , Siddharth Kasat , Ankur Goyal , Amitkumar Patel , Kishan Kumar Kotari Uppunda
发明人： Christian Sasso , Siddharth Kasat , Ankur Goyal , Amitkumar Patel , Kishan Kumar Kotari Uppunda
IPC分类号： H04L12/28
CPC分类号： H04L49/357
摘要： According to one aspect, a Fiber Channel (FC) switch that is currently serving as a Principal Switch among a plurality of FC switches in a FC Fabric sends an Exchange Fabric Parameters (EFP) frame having an empty domain identifier list to neighboring FC switches during a first portion a Principal Switch Selection phase. During a second portion of the Principal Switch Selection phase that is after the first portion, the first Fiber Channel switch sends to neighboring FC switches an EFP frame having a non-empty domain identifier list to indicate to the neighboring FC switches that the first FC switch is to remain serving as the Principal Switch in the FC Fabric.
摘要翻译：根据一个方面，在FC Fabric中的多个FC交换机之中当前用作主交换机的光纤通道（FC）交换机在相邻FC交换机之间发送具有空域标识符列表的交换结构参数（EFP）帧到相邻的FC交换机主开关选择阶段的第一部分。在第一部分之后的主交换机选择阶段的第二部分期间，第一光纤通道交换机向相邻FC交换机发送具有非空域标识符列表的EFP帧，以向相邻FC交换机指示第一FC交换机将继续担任FC Fabric中的主交换机。

5. 发明申请

US20130208625A1 Persistent Principal Switch for Fibre Channel Fabric 有权
标题翻译：光纤通道结构的持续主开关
公开(公告)号：US20130208625A1
公开(公告)日：2013-08-15
申请号：US13396831
申请日：2012-02-15
申请人： Christian Sasso , Siddharth Kasat , Ankur Goyal , Amitkumar Patel , Kishan Kumar Kotari Uppunda
发明人： Christian Sasso , Siddharth Kasat , Ankur Goyal , Amitkumar Patel , Kishan Kumar Kotari Uppunda
IPC分类号： H04L12/28
CPC分类号： H04L49/357
摘要： According to one aspect, a Fibre Channel (FC) switch that is currently serving as a Principal Switch among a plurality of FC switches in a FC Fabric sends an Exchange Fabric Parameters (EFP) frame having an empty domain identifier list to neighboring FC switches during a first portion a Principal Switch Selection phase. During a second portion of the Principal Switch Selection phase that is after the first portion, the first Fibre Channel switch sends to neighboring FC switches an EFP frame having a non-empty domain identifier list to indicate to the neighboring FC switches that the first FC switch is to remain serving as the Principal Switch in the FC Fabric.
摘要翻译：根据一个方面，在FC Fabric中的多个FC交换机之中当前用作主交换机的光纤通道（FC）交换机在相邻FC交换机之间发送具有空域标识符列表的交换结构参数（EFP）帧到相邻的FC交换机主开关选择阶段的第一部分。在第一部分之后的主交换机选择阶段的第二部分期间，第一光纤通道交换机向相邻FC交换机发送具有非空域标识符列表的EFP帧，以向相邻FC交换机指示第一FC交换机将继续担任FC Fabric中的主交换机。

6. 发明申请

US20130010638A1 Merging a Stand-Alone Switch to a Fibre Channel Network 有权
标题翻译：将独立交换机并入光纤通道网络
公开(公告)号：US20130010638A1
公开(公告)日：2013-01-10
申请号：US13176940
申请日：2011-07-06
申请人： Christian Sasso , Siddharth Kasat , Ankur Goyal , Amitkumar Patel , Kishan Kumar Kotari Uppanda
发明人： Christian Sasso , Siddharth Kasat , Ankur Goyal , Amitkumar Patel , Kishan Kumar Kotari Uppanda
IPC分类号： H04L12/28
CPC分类号： H04L49/357 , H04L49/65
摘要： A Fibre Channel (FC) switch and related methods are provided for merging the FC switch with an existing FC network. During a merge process of a stand-alone switch with an FC network, a first Exchange Fabric Parameters (EFP) frame is sent from the stand-alone switch to an FC switch in the existing FC network. The first EFP frame has an empty domain identifier (ID) list. The stand-alone switch receives a second EFP frame from the FC switch. The second EFP frame contains a domain ID list of domain IDs already in use in the FC network. The stand-alone switch compares the domain ID list in the second EFP frame with a stored list of one or more domain IDs associated with the stand-alone switch to determine if there is a domain ID overlap or conflict. If no conflict is detected, the stand-alone switch merges with the existing network without initiating a Build Fabric phase or a Principal Switch Selection phase that could cause disruption of traffic in the network.
摘要翻译：提供了光纤通道（FC）交换机和相关方法，用于将FC交换机与现有的FC网络进行合并。在具有FC网络的独立交换机的合并过程中，第一个Exchange Fabric参数（EFP）帧从独立交换机发送到现有FC网络中的FC交换机。第一个EFP帧具有空域标识符（ID）列表。独立交换机从FC交换机接收第二个EFP帧。第二个EFP帧包含已在FC网络中使用的域ID的域ID列表。独立交换机将第二EFP帧中的域ID列表与与独立交换机相关联的一个或多个域ID的存储列表进行比较，以确定是否存在域ID重叠或冲突。如果没有检测到冲突，则独立交换机与现有网络合并，而不会发起可能导致网络流量中断的构建结构阶段或主交换机选择阶段。

7. 发明授权

US07801061B2 Seamless spanning tree upgrade of a linecard 有权
标题翻译：线卡的无缝生成树升级
公开(公告)号：US07801061B2
公开(公告)日：2010-09-21
申请号：US11329863
申请日：2006-01-10
申请人： Tameen Khan , Amitkumar Patel , Ronak Desai , Ramana Mellacheruvu , Umesh Mahajan
发明人： Tameen Khan , Amitkumar Patel , Ronak Desai , Ramana Mellacheruvu , Umesh Mahajan
IPC分类号： H04L12/28
CPC分类号： H04L12/4625 , H04L45/18 , H04L45/563
摘要： Disclosed are methods and apparatus for restarting a first network device having a plurality of ports for receiving and transmitting layer 2 data. The first network device belongs to a network of network devices. When a restart of at least a portion of the first network device is imminent whereby the restarting network device portion can no longer alter a spanning tree protocol (STP) state of one or more of the ports and such ports that remain in a fixed state during the restart are referred to as restarting ports, a current state (such as forwarding) of each restarting port is maintained during the restart under predefined conditions. During the restart, each of the restarting ports of the restarting network device portion cooperate with its peer port of a second non-restarting network device that is a neighbor of the first network device so as to prevent layer 2 loops in the network.
摘要翻译：公开了用于重新启动具有用于接收和发送第二层数据的多个端口的第一网络设备的方法和装置。第一个网络设备属于网络设备网络。当第一网络设备的至少一部分的重新启动即将来临时，由此重新启动的网络设备部分不再可以改变一个或多个端口和这些端口的生成树协议（STP）状态，这些端口和这些端口在该固定状态期间保持在固定状态重新启动被称为重新启动端口，在预定义条件下重新启动期间维护每个重新启动端口的当前状态（例如转发）。在重新启动期间，重新启动网络设备部分的每个重新启动端口与作为第一网络设备的邻居的第二非重新启动网络设备的对等端口协作，以防止网络中的第二层环路。

8. 发明申请

US20070159988A1 Seamless spanning tree upgrade of a linecard 有权
标题翻译：线卡的无缝生成树升级
公开(公告)号：US20070159988A1
公开(公告)日：2007-07-12
申请号：US11329863
申请日：2006-01-10
申请人： Tameen Khan , Amitkumar Patel , Ronak Desai , Ramana Mellacheruvu , Umesh Mahajan
发明人： Tameen Khan , Amitkumar Patel , Ronak Desai , Ramana Mellacheruvu , Umesh Mahajan
IPC分类号： H04L12/28
CPC分类号： H04L12/4625 , H04L45/18 , H04L45/563
摘要： Disclosed are methods and apparatus for restarting a first network device having a plurality of ports for receiving and transmitting layer 2 data is disclosed. The first network device belongs to a network of network devices. When a restart of at least a portion of the first network device is imminent whereby the restarting network device portion can no longer alter a spanning tree protocol (STP) state of one or more of the ports and such ports that remain in a fixed state during the restart are referred to as restarting ports, a current state (such as forwarding) of each restarting port is maintained during the restart under predefined conditions. During the restart, each of the restarting ports of the restarting network device portion cooperate with its peer port of a second non-restarting network device that is a neighbor of the first network device so as to prevent layer 2 loops in the network.
摘要翻译：公开了用于重新启动具有用于接收和发送第二层数据的多个端口的第一网络设备的方法和装置。第一个网络设备属于网络设备网络。当第一网络设备的至少一部分的重新启动即将来临时，由此重新启动的网络设备部分不再可以改变一个或多个端口和这些端口的生成树协议（STP）状态，这些端口和这些端口在该固定状态期间保持在固定状态重新启动被称为重新启动端口，在预定义条件下重新启动期间维护每个重新启动端口的当前状态（例如转发）。在重新启动期间，重新启动网络设备部分的每个重新启动端口与作为第一网络设备的邻居的第二非重新启动网络设备的对等端口协作，以防止网络中的第二层环路。

9. 发明申请

US20070159987A1 Seamless spanning tree restart of a single supervisor 有权
标题翻译：单个主管的无缝生成树重启
公开(公告)号：US20070159987A1
公开(公告)日：2007-07-12
申请号：US11329681
申请日：2006-01-10
申请人： Tameen Khan , Amitkumar Patel , Ronak Desai , Ramana Mellacheruvu , Umesh Mahajan
发明人： Tameen Khan , Amitkumar Patel , Ronak Desai , Ramana Mellacheruvu , Umesh Mahajan
IPC分类号： H04L12/28
CPC分类号： H04L45/18 , H04L45/00 , H04L45/02 , H04L45/48 , H04L49/552 , H04L49/65
摘要： Disclosed are methods and apparatus for restarting a first network device having a plurality of ports for receiving and transmitting layer 2 data is disclosed. The first network device belongs to a network of network devices. When a restart of at least a portion of the first network device is imminent whereby STP is no longer functioning for the first network device during the restart and can no longer alter a spanning tree protocol (STP) state of one or more of the ports and such ports that remain in a fixed state during the restart are referred to as restarting ports, a current state (such as forwarding) of each restarting port is maintained during the restart under predefined conditions. During the restart, each of the restarting ports of the restarting network device portion cooperate with its peer port of a second non-restarting network device that is a neighbor of the first network device so as to prevent layer 2 loops in the network.
摘要翻译：公开了用于重新启动具有用于接收和发送第二层数据的多个端口的第一网络设备的方法和装置。第一个网络设备属于网络设备网络。当第一网络设备的至少一部分的重新启动迫在眉睫，由此在重新启动期间STP不再对第一网络设备起作用，并且不能再改变一个或多个端口的生成树协议（STP）状态，并且在重新启动期间保持在固定状态的端口被称为重新启动端口，在预定义条件下在重新启动期间维护每个重新启动端口的当前状态（例如转发）。在重新启动期间，重新启动网络设备部分的每个重新启动端口与作为第一网络设备的邻居的第二非重新启动网络设备的对等端口协作，以防止网络中的第二层环路。

10. 发明授权

US08811227B2 Merging a stand-alone switch to a fibre channel network 有权
标题翻译：将独立交换机合并到光纤通道网络
公开(公告)号：US08811227B2
公开(公告)日：2014-08-19
申请号：US13176940
申请日：2011-07-06
申请人： Christian Sasso , Siddharth Kasat , Ankur Goyal , Amitkumar Patel , Kishan Kumar Kotari Uppanda
发明人： Christian Sasso , Siddharth Kasat , Ankur Goyal , Amitkumar Patel , Kishan Kumar Kotari Uppanda
IPC分类号： H04L12/54 , H04L12/56
CPC分类号： H04L49/357 , H04L49/65
摘要： A Fiber Channel (FC) switch and related methods are provided for merging the FC switch with an existing FC network. During a merge process of a stand-alone switch with an FC network, a first Exchange Fabric Parameters (EFP) frame is sent from the stand-alone switch to an FC switch in the existing FC network. The first EFP frame has an empty domain identifier (ID) list. The stand-alone switch receives a second EFP frame from the FC switch. The second EFP frame contains a domain ID list of domain IDs already in use in the FC network. The stand-alone switch compares the domain ID list in the second EFP frame with a stored list of one or more domain IDs associated with the stand-alone switch to determine if there is a domain ID overlap or conflict. If no conflict is detected, the stand-alone switch merges with the existing network without initiating a Build Fabric phase or a Principal Switch Selection phase that could cause disruption of traffic in the network.
摘要翻译：提供了光纤通道（FC）交换机和相关方法，用于将FC交换机与现有的FC网络进行合并。在具有FC网络的独立交换机的合并过程中，第一个Exchange Fabric参数（EFP）帧从独立交换机发送到现有FC网络中的FC交换机。第一个EFP帧具有空域标识符（ID）列表。独立交换机从FC交换机接收第二个EFP帧。第二个EFP帧包含已在FC网络中使用的域ID的域ID列表。独立交换机将第二EFP帧中的域ID列表与与独立交换机相关联的一个或多个域ID的存储列表进行比较，以确定是否存在域ID重叠或冲突。如果没有检测到冲突，则独立交换机与现有网络合并，而不会发起可能导致网络流量中断的构建结构阶段或主交换机选择阶段。

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