公开(公告)号：US09503366B2

公开(公告)日：2016-11-22

申请号：US13297568

申请日：2011-11-16

Applicant: Chao Feng ,  Samar Sharma ,  Sriram Chidambaram ,  Raghavendra J. Rao ,  Sanjay Hemant Sane ,  Murali Basavaiah

Inventor： Chao Feng ,  Samar Sharma ,  Sriram Chidambaram ,  Raghavendra J. Rao ,  Sanjay Hemant Sane ,  Murali Basavaiah

IPC: H04L12/713 ,  H04L12/24 ,  H04L12/26

CPC classification number: H04L41/0663 ,  H04L43/028 ,  H04L45/586 ,  H04L67/1097

Abstract: Systems and methods for providing service virtualization endpoint (SVE) redundancy in a two-node, active-standby form. An active-standby pair of SVEs register with a cloud-centric-network control point (CCN-CP) as a single service node (SN) using a virtual IP address for both a control-plane and a data-plane. At any given time, only the active SVE is a host for the control-plane and the data-plane. When a failover happens, the hosting operation is taken over by the standby SVE, therefore the failover will be transparent to CCN-CP and the SN.

Abstract translation: 以双节点，主动 - 备用形式提供服务虚拟化端点（SVE）冗余的系统和方法。 主动 - 备用对SVE使用虚拟IP地址为控制平面和数据平面向云中心网络控制点（CCN-CP）注册为单个服务节点（SN）。 在任何给定的时间，只有活动的SVE是控制平面和数据平面的主机。 当故障转移发生时，主机操作由备用SVE接管，因此故障切换对CCN-CP和SN将是透明的。

公开(公告)号：US09225671B2

公开(公告)日：2015-12-29

申请号：US13588185

申请日：2012-08-17

Applicant: Ankur Goyal ,  Samar Sharma ,  Manuwela Kanade

Inventor： Ankur Goyal ,  Samar Sharma ,  Manuwela Kanade

IPC: G06F15/177 ,  H04L12/931 ,  H04L12/24 ,  H04L12/28

CPC classification number: H04L45/02 ,  H04L12/2859 ,  H04L41/0893 ,  H04L49/65 ,  H04L49/70 ,  Y02B70/30 ,  Y02D30/30

Abstract: In some embodiments, a virtual device context (vDC) domain may be advertised to other network devices. If at least a partition of each device is determined to belong to the same vDC domain, the network interface communicating with the at least one device may be activated.

Abstract translation: 在一些实施例中，虚拟设备上下文（vDC）域可以被通告给其他网络设备。 如果确定每个设备的至少一个分区属于相同的vDC域，则可以激活与该至少一个设备通信的网络接口。

公开(公告)号：US08644174B2

公开(公告)日：2014-02-04

申请号：US12573815

申请日：2009-10-05

Applicant: Rajesh Bhandari ,  Samar Sharma ,  Sanjaya Kumar

Inventor： Rajesh Bhandari ,  Samar Sharma ,  Sanjaya Kumar

IPC: H04J1/16 ,  G06F15/167 ,  G06F12/00

CPC classification number: H04L67/1097

Abstract: The disclosed embodiments support improvements in network performance in networks such as storage area networks. This is particularly important in networks such as those implementing virtualization. These improvements, therefore, support improved mechanisms for performing processing in network devices such as switches, routers, or hosts. These improvements include various different mechanisms which may be used separately or in combination with one another. These mechanisms include methods and apparatus for processing traffic in an arbitrated loop, performing striping to support fairness and/or loop tenancy, performing configuration of network devices such as switches to enable virtualization to be performed closest to the storage device (e.g., disk), ascertaining a CPU efficiency that quantifies the impact of virtualization on a processor, and configuring or accessing a striped volume to account for metadata stored in each storage partition.

Abstract translation: 所公开的实施例支持诸如存储区域网络的网络中的网络性能的改进。 这在执行虚拟化的网络中尤其重要。 因此，这些改进支持在网络设备（如交换机，路由器或主机）中执行处理的改进机制。 这些改进包括可以单独使用或彼此组合使用的各种不同的机制。 这些机制包括用于处理仲裁环路中的业务的方法和装置，执行条带化以支持公平性和/或循环租赁，执行诸如交换机之类的网络设备的配置以使虚拟化最靠近存储设备（例如，盘）执行， 确定量化虚拟化对处理器的影响的CPU效率，以及配置或访问条带卷以考虑存储在每个存储分区中的元数据。

公开(公告)号：US20130182708A1

公开(公告)日：2013-07-18

申请号：US13351612

申请日：2012-01-17

Applicant: Samar Sharma ,  Chandramouli Radhakrishnan ,  Sameer Merchant ,  Anand Parthasarathy ,  Murali Basavaiah

Inventor： Samar Sharma ,  Chandramouli Radhakrishnan ,  Sameer Merchant ,  Anand Parthasarathy ,  Murali Basavaiah

IPC: H04L12/56

CPC classification number: H04L12/4625 ,  H04L49/70 ,  H04L67/1097

Abstract: Techniques and a network edge device are provided herein to extend local area networks (LANs) and storage area networks (SANs) beyond a data center while converging the associated local area network and storage area network host layers. A packet is received at a device in a network. It is determined if the packet is routed to a local or remote storage area network or local area network. In response to determining that the packet routed to a remote storage area network, storage area network extension services are performed with respect to the packet in order to extend the storage area network on behalf of a remote location. In response to determining that the packet is routed to a local local area network traffic, local area network extension services are performed with respect to the packet in order to extend the local area network on behalf of the remote location.

Abstract translation: 技术和网络边缘设备在本文中被提供以将局域网（LAN）和存储区域网络（SAN）扩展到数据中心之外，同时会聚相关联的局域网和存储区域网络主机层。 在网络中的设备处接收到分组。 确定分组是否被路由到本地或远程存储区域网络或局域网。 响应于确定分组路由到远程存储区域网络，针对分组执行存储区域网络扩展服务，以便代表远程位置扩展存储区域网络。 响应于确定分组被路由到本地局域网业务，相对于分组执行局域网扩展服务，以便代表远程位置扩展局域网。

公开(公告)号：US20130155902A1

公开(公告)日：2013-06-20

申请号：US13329023

申请日：2011-12-16

Applicant: Chao Feng ,  Samar Sharma ,  Ronak Desai ,  Diheng Qu

Inventor： Chao Feng ,  Samar Sharma ,  Ronak Desai ,  Diheng Qu

IPC: H04L12/28

CPC classification number: H04L67/1031 ,  G06F11/16 ,  G06F11/2007 ,  G06F11/2028 ,  G06F11/203 ,  G06F11/2035 ,  G06F11/2038

Abstract: An example method includes disengaging a target node from a cluster, where the disengaging comprises: selecting an inheritor; migrating flows from the target node to the inheritor; informing a migration manager that the target node is disengaged from the cluster; and broadcasting to peer nodes of the target node that the target node is replaced by the inheritor. In particular implementations of the present disclosure, the cluster can include a first layer of a network topology including a forwarding engine that implements hash-based packet forwarding; a second layer of the network topology comprising the target node and the inheritor, where the target node and the inheritor implement flow-based packet forwarding; and a third layer including service nodes configured for packet processing in a network.

Abstract translation: 示例性方法包括从群集分离目标节点，其中分离包括：选择继承者; 将流从目标节点迁移到继承者; 通知迁移管理器目标节点与群集脱离; 并且向目标节点的对等节点广播目标节点被继承者替换。 在本公开的特定实现中，集群可以包括网络拓扑的第一层，包括实现基于散列的分组转发的转发引擎; 所述网络拓扑的第二层包括所述目标节点和所述继承者，其中所述目标节点和所述继承者实现基于流的分组转发; 以及包括被配置用于网络中的分组处理的服务节点的第三层。

公开(公告)号：US08274993B2

公开(公告)日：2012-09-25

申请号：US11454239

申请日：2006-06-16

Applicant: Samar Sharma ,  Chandan Mishra ,  Fabio Maino

Inventor： Samar Sharma ,  Chandan Mishra ,  Fabio Maino

IPC: H04J3/16

CPC classification number: H04L41/0806 ,  H04L41/06 ,  H04L41/082 ,  H04L41/0886 ,  H04L67/1097

Abstract: Zone information is automatically and dynamically configured and managed in a fiber channel storage area network upon detection of network events. Some examples of events that trigger automatic dynamic zone updates include virtual port creation, intrusion/anomaly detection, arbitration decision completion, misconfiguration detection, and device malfunction. The newly created/updated zones are propagated through the fiber channel fabric and provide access control.

Abstract translation: 检测到网络事件后，区域信息在光纤通道存储区域网络中自动和动态地配置和管理。 触发自动动态区域更新的事件的一些示例包括虚拟端口创建，入侵/异常检测，仲裁决定完成，配置错误检测和设备故障。 新创建/更新的区域通过光纤通道结构传播，并提供访问控制。

公开(公告)号：US08131857B2

公开(公告)日：2012-03-06

申请号：US11827474

申请日：2007-07-11

Applicant: Dinesh G. Dutt ,  Sanjaya Kumar ,  Arindam Paul ,  Samar Sharma

Inventor： Dinesh G. Dutt ,  Sanjaya Kumar ,  Arindam Paul ,  Samar Sharma

IPC: G06F15/173 ,  G06F15/16

CPC classification number: H04L67/1097 ,  H04L47/10 ,  H04L47/13

Abstract: In one embodiment, a network device receives a port login directed to a target from a first host. The network device determines whether at least one other host is currently logged in to the target. The network device may then send a port login to the target corresponding to whether at least one other host is currently logged in to the target.

Abstract translation: 在一个实施例中，网络设备从第一主机接收定向到目标的端口登录。 网络设备确定至少一个其他主机是否当前登录到目标。 然后，网络设备可以向目标发送对应于至少一个其他主机当前是否登录到目标的端口登录。

公开(公告)号：US07506124B2

公开(公告)日：2009-03-17

申请号：US11361119

申请日：2006-02-24

Applicant: Samar Sharma ,  Roy M. D'Cruz ,  Jhaanaki M. Krishnan ,  Prashant Billore ,  Sanjaya Kumar ,  Dinesh G. Dutt

Inventor： Samar Sharma ,  Roy M. D'Cruz ,  Jhaanaki M. Krishnan ,  Prashant Billore ,  Sanjaya Kumar ,  Dinesh G. Dutt

IPC: G06F12/00

CPC classification number: H04L67/1097 ,  H04L63/00 ,  H04L63/30

Abstract: Disclosed is apparatus and methods for enabling an appliance to receive data being sent between any host of a host cluster to a specified storage device's logical unit (LUN) in a single stream or session. In one embodiment, a data virtual target is initially set up for a specified storage device LUN so that data written from a host to the specified storage device LUN is received by the DVT. An appliance then sends a session request to mirror data that is sent to the DVT (and specified storage device LUN) to a specified LUN of the appliance. The session request is not host specific. That is, data that is sent by any host to the DVT is mirrored to the same appliance LUN.

Abstract translation: 公开了一种用于使设备能够将在主机集群的任何主机之间发送的数据接收到单个流或会话中的指定存储设备的逻辑单元（LUN）的装置和方法。 在一个实施例中，初始地为指定的存储设备LUN设置数据虚拟目标，以便由主机向指定的存储设备LUN写入的数据由DVT接收。 然后，设备将会话请求发送到发送到DVT（和指定的存储设备LUN）的镜像数据到设备的指定LUN。 会话请求不是主机特定的。 也就是说，任何主机发送到DVT的数据被镜像到同一个设备LUN。

公开(公告)号：US07441074B1

公开(公告)日：2008-10-21

申请号：US10215697

申请日：2002-08-10

Applicant: Rina Panigrahy ,  Samar Sharma

Inventor： Rina Panigrahy ,  Samar Sharma

IPC: G06F12/00

CPC classification number: H04L45/00 ,  H04L45/7453

Abstract: Methods and apparatus are disclosed for distributing entries among lookup units and selectively enabling less than all of the lookup units when performing a lookup operation. Each of the lookup units is assigned a subset of the possible values of the entries and is programmed with the corresponding entries. In performing a lookup operation on a lookup word, only the lookup units possibly containing a matching entry are enabled which saves power and dissipates less heat. A lookup operation is then performed in the enabled lookup units to generate the lookup result. A lookup unit may correspond to an associative memory device, an associative memory bank, sets of entries within one or more associative memory devices or banks, a lookup control and a memory device, and/or any other lookup mechanism. In one implementation, the partitioning of elements is based on a Patricia tree representation of the possible entries.

Abstract translation: 公开了用于在查找单元之间分配条目的方法和装置，并且在执行查找操作时选择性地启用少于所有查找单元。 为每个查找单元分配条目的可能值的子集，并且用相应的条目进行编程。 在对查找字执行查找操作时，仅启用可能包含匹配条目的查找单元，从而节省功率并消耗较少的热量。 然后在启用的查找单元中执行查找操作以生成查找结果。 查找单元可以对应于关联存储器设备，关联存储器组，一个或多个关联存储器设备或存储体内的条目集合，查找控制和存储器设备，和/或任何其他查找机制。 在一个实现中，元素的划分基于可能条目的Patricia树表示。

公开(公告)号：US20070291785A1

公开(公告)日：2007-12-20

申请号：US11454239

申请日：2006-06-16

Applicant: Samar Sharma ,  Chandan Mishra ,  Fabio Maino

Inventor： Samar Sharma ,  Chandan Mishra ,  Fabio Maino

IPC: H04J15/00

CPC classification number: H04L41/0806 ,  H04L41/06 ,  H04L41/082 ,  H04L41/0886 ,  H04L67/1097

Abstract: Zone information is automatically and dynamically configured and managed in a fibre channel storage area network upon detection of network events. Some examples of events that trigger automatic dynamic zone updates include virtual port creation, intrusion/anomaly detection, arbitration decision completion, misconfiguration detection, and device malfunction. The newly created/updated zones are propagated through the fibre channel fabric and provide access control.

Abstract translation: 检测到网络事件后，区域信息在光纤通道存储区域网络中自动和动态地配置和管理。 触发自动动态区域更新的事件的一些示例包括虚拟端口创建，入侵/异常检测，仲裁决定完成，配置错误检测和设备故障。 新创建/更新的区域通过光纤通道结构传播，并提供访问控制。