公开(公告)号：US09246702B1

公开(公告)日：2016-01-26

申请号：US13362227

申请日：2012-01-31

Applicant: Samar Sharma ,  Chao Feng ,  Venkataraman R. Natham

Inventor： Samar Sharma ,  Chao Feng ,  Venkataraman R. Natham

IPC: H04L12/16 ,  H04L12/28 ,  H04L29/08

CPC classification number: H04L12/2896 ,  H04L29/08846 ,  H04L41/5054 ,  H04L41/5096 ,  H04L45/02

Abstract: An example method is provided and includes configuring a service appliance to offload network control plane and network data plane operations to a switch; establishing a communication channel between the service appliance and the switch; and communicating control messages between the service appliance and the switch over the communication channel. In more particular embodiment, the method can include communicating data messages between the service appliance and the switch over the communication channel.

Abstract translation: 提供了一种示例性方法，包括配置服务设备以将网络控制平面和网络数据平面操作卸载到交换机; 在服务设备和交换机之间建立通信信道; 以及通过所述通信信道在所述服务设备和所述交换机之间传送控制消息。 在更具体的实施例中，该方法可以包括通过通信信道在服务设备和交换机之间传送数据消息。

公开(公告)号：US08837486B2

公开(公告)日：2014-09-16

申请号：US13557522

申请日：2012-07-25

Applicant: Devendra Mohan Badhani ,  Chao Feng ,  Samar Sharma ,  Kalyan Venkataramana

Inventor： Devendra Mohan Badhani ,  Chao Feng ,  Samar Sharma ,  Kalyan Venkataramana

IPC: H04L12/28

CPC classification number: H04L47/125 ,  H04L45/30 ,  H04L47/18

Abstract: Methods and apparatuses for automating return traffic redirection to a service appliance by injecting forwarding policies in a packet-forwarding element are disclosed herein. An example method for automating return traffic redirection can include: establishing a communication channel between a service appliance and a packet-forwarding element; and transmitting an out-of-band message over the communication channel to the packet-forwarding element. The message can include a forwarding policy that requests the packet-forwarding element to forward predetermined packets to the service appliance.

Abstract translation: 本文公开了通过在分组转发元件中注入转发策略来自动将返回业务重定向自动化到服务设备的方法和装置。 用于自动化返回流量重定向的示例方法可以包括：在服务设备和分组转发元件之间建立通信信道; 以及通过所述通信信道向所述分组转发单元发送带外消息。 消息可以包括请求分组转发单元将预定分组转发到服务设备的转发策略。

公开(公告)号：US20140052843A1

公开(公告)日：2014-02-20

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: G06F15/173

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：US20120226801A1

公开(公告)日：2012-09-06

申请号：US13040585

申请日：2011-03-04

Applicant: Shriram Velaga ,  Samar Sharma ,  Chandramouli Radhakrishnan ,  Gopinath Durairaj ,  Bala Nagesh ,  Umesh Mahajan

Inventor： Shriram Velaga ,  Samar Sharma ,  Chandramouli Radhakrishnan ,  Gopinath Durairaj ,  Bala Nagesh ,  Umesh Mahajan

IPC: G06F15/173

CPC classification number: H04L67/1097 ,  H04L63/0227

Abstract: Techniques and a network appliance apparatus 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 service flow is received at a device in a network. It is determined if the service flow is associated with storage area network or with local area network traffic. In response to determining that the service flow is storage area network traffic, storage area network extension services are performed with respect to the service flow in order to extend the storage area network on behalf of a remote location. In response to determining that the service flow is local area network traffic, local area network extension services are performed with respect to the service flow in order to extend the local area network on behalf of the remote location.

Abstract translation: 技术和网络设备装置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服务流。 确定服务流是否与存储区域网络或与局域网业务相关联。 响应于确定服务流是存储区域网络业务，针对服务流执行存储区域网络扩展服务，以代表远程位置扩展存储区域网络。 响应于确定服务流是局域网业务，针对服务流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：US08239477B2

公开(公告)日：2012-08-07

申请号：US11356914

申请日：2006-02-16

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

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

IPC: G06F15/167 ,  G06F3/00 ,  G06F7/00

CPC classification number: G06F3/0659 ,  G06F3/0605 ,  G06F3/065 ,  G06F3/067 ,  G06F11/2069 ,  G06F11/2071

Abstract: Disclosed is a session modification mechanism for altering a data tapping process in a storage area network (SAN). In general, a data tapping mechanism is set up so that an appliance receives SAN data that is tapped from a particular SAN session. That is, the data tapping mechanism provides to a particular appliance a copy of the SAN data that is being written from a particular host to a particular storage device. The session modification mechanism allows the appliance to alter various aspects of the SAN session that is to be (or is being) tapped. Examples of various modification features includes (i) redirecting READ commands initiated by the host to the appliance and not sending such command to the storage device, (ii) redirecting both READ and WRITE commands initiated by the host to the appliance and not sending such commands to the storage device, (iii) halting redirection and thereby causing READ commands initiated by the host to be sent to the storage device and WRITE commands initiated by the host to be mirrored to both the storage device and appliance, (iv) quiescing and unquiescing all data I/O's for the particular storage device and appliance, and (v) stopping and starting the data tapping mechanism.

Abstract translation: 公开了一种用于改变存储区域网络（SAN）中的数据分接过程的会话修改机制。 通常，建立数据分接机制，使得设备接收从特定SAN会话中抽取的SAN数据。 也就是说，数据分接机制向特定设备提供正在从特定主机写入特定存储设备的SAN数据的副本。 会话修改机制允许设备改变将要（或正在被窃取）的SAN会话的各个方面。 各种修改特征的示例包括（i）将主机发起的READ命令重定向到设备，并且不向存储设备发送这样的命令，（ii）将由主机发起的READ和WRITE命令重定向到设备，并且不发送这样的命令 （iii）停止重定向，从而使由主机发起的READ命令被发送到存储设备，由主机启动的WRITE命令被镜像到存储设备和设备，（iv）停顿和不起作用 用于特定存储设备和设备的所有数据I / O，以及（v）停止和启动数据分接机制。

公开(公告)号：US07877545B2

公开(公告)日：2011-01-25

申请号：US12206475

申请日：2008-09-08

Applicant: Samar Sharma ,  Dinesh Dutt ,  Sanjaya Kumar ,  Umesh Mahajan ,  Thomas J. Edsall

Inventor： Samar Sharma ,  Dinesh Dutt ,  Sanjaya Kumar ,  Umesh Mahajan ,  Thomas J. Edsall

IPC: G06F12/00

CPC classification number: G06F3/0632 ,  G06F3/0617 ,  G06F3/067

Abstract: A technique is provided for implementing online restriping of a volume in a storage area network. A first instance of the volume is instantiated at a first port of the fibre channel fabric for enabling I/O operations to be performed at the volume. While restriping operations are being performed at the volume, the first port is able to concurrently perform I/O operations at the volume.

Abstract translation: 提供了一种用于实现存储区域网络中的卷的在线重新排列的技术。 该卷的第一个实例在光纤通道结构的第一个端口处被实例化，以便在卷上执行I / O操作。 当卷上执行重新启动操作时，第一个端口能够同时在卷上执行I / O操作。

公开(公告)号：US20090019142A1

公开(公告)日：2009-01-15

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

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：US07478109B1

公开(公告)日：2009-01-13

申请号：US10801907

申请日：2004-03-15

Applicant: Rina Panigrahy ,  Abhijit Patra ,  Samar Sharma

Inventor： Rina Panigrahy ,  Abhijit Patra ,  Samar Sharma

IPC: G06F7/02

CPC classification number: G06F7/02 ,  G06F2207/025 ,  H04L45/00 ,  H04L45/7457 ,  Y10S707/99936 ,  Y10S707/99945 ,  Y10S707/99948

Abstract: A longest matching prefix is identified based on a search of ranges corresponding to the prefixes. These prefixes may correspond to any values, such as, but not limited to Internet Protocol (IP) or other network addresses, character strings, etc. A first-level tiny tree is traversed to identify a next-level tiny tree. A root node of the next-level tiny tree is retrieved. The root node typically includes a back value to identify a matching prefix should no matching prefix be identified within said particular tree. The particular next-level tiny tree is traversed to either identify a matching prefix or a no match condition, with the traversing said particular next-level tiny tree typically including comparing the lookup value with one or more of the plurality of keys. The prefix identified based on the back value is identified as the longest matching prefix if said traversing resulted in said no match condition else the matching prefix.

Abstract translation: 基于对与前缀相对应的范围的搜索来识别最长匹配的前缀。 这些前缀可以对应于任何值，例如但不限于因特网协议（IP）或其他网络地址，字符串等。遍历一级小树以识别下一级小树。 检索下一级小树的根节点。 根节点通常包括用于标识匹配前缀的返回值，如果在所述特定树内不识别匹配前缀。 通过遍历所述特定的下一级小树通常包括将查找值与多个键中的一个或多个进行比较，特定的下一级小树遍历以识别匹配的前缀或不匹配条件。 如果所述遍历导致所述不匹配条件否则匹配前缀，则基于返回值识别的前缀被标识为最长匹配前缀。

公开(公告)号：US20070220310A1

公开(公告)日：2007-09-20

申请号：US11356857

申请日：2006-02-16

Applicant: Samar Sharma ,  Roy D'Cruz ,  Sanjaya Kumar ,  Jhaanaki Krishnan

Inventor： Samar Sharma ,  Roy D'Cruz ,  Sanjaya Kumar ,  Jhaanaki Krishnan

IPC: G06F12/16 ,  G06F11/00

CPC classification number: G06F11/1443 ,  G06F11/2082 ,  H04L67/1095 ,  H04L67/1097

Abstract: Disclosed is a data recovery mechanism associated with a data writing process in a storage area network (SAN). In general, a data writing mechanism is provided so that a particular host can write data to a storage device in a particular SAN session. One specific example of a data writing mechanism is a data tapping mechanism that provides a copy of this data to an appliance. The data recovery mechanism allows the appliance to recover data from the particular target, for example, when the data was unsuccessfully mirrored to the appliance during the data tapping or when the appliance needs to obtain the data that was written prior to a data tapping procedure being initiated. In one embodiment, the data recovery mechanism is set up so that the appliance can recover data from the target by mimicking the particular host.

Abstract translation: 公开了一种与存储区域网络（SAN）中的数据写入过程相关联的数据恢复机制。 通常，提供数据写入机制，使得特定主机可以将数据写入特定SAN会话中的存储设备。 数据写入机制的一个具体实例是将数据的副本提供给设备的数据分接机制。 数据恢复机制允许设备从特定目标恢复数据，例如，当数据在数据窃取期间数据未成功镜像到设备时，或者当设备需要获取在数据窃取过程之前写入的数据时 发起了 在一个实施例中，建立数据恢复机制，使得设备可以通过模拟特定主机来从目标恢复数据。

公开(公告)号：US20070192526A1

公开(公告)日：2007-08-16

申请号：US11356914

申请日：2006-02-16

Applicant: Samar Sharma ,  Roy D'Cruz ,  Jhaanaki Krishnan ,  Prashant Billore ,  Dinesh Dutt

Inventor： Samar Sharma ,  Roy D'Cruz ,  Jhaanaki Krishnan ,  Prashant Billore ,  Dinesh Dutt

IPC: G06F13/36

CPC classification number: G06F3/0659 ,  G06F3/0605 ,  G06F3/065 ,  G06F3/067 ,  G06F11/2069 ,  G06F11/2071

Abstract: Disclosed is a a session modification mechanism for altering a data tapping process in a storage area network (SAN). In general, a data tapping mechanism is set up so that an appliance receives SAN data that is tapped from a particular SAN session. That is, the data tapping mechanism provides to a particular appliance a copy of the SAN data that is being written from a particular host to a particular storage device. The session modification mechanism allows the appliance to alter various aspects of the SAN session that is to be (or is being) tapped. Examples of various modification features includes (i) redirecting READ commands initiated by the host to the appliance and not sending such command to the storage device, (ii) redirecting both READ and WRITE commands initiated by the host to the appliance and not sending such commands to the storage device, (iii) halting redirection and thereby causing READ commands initiated by the host to be sent to the storage device and WRITE commands initiated by the host to be mirrored to both the storage device and appliance, (iv) quiescing and unquiescing all data I/O's for the particular storage device and appliance, and (v) stopping and starting the data tapping mechanism.

Abstract translation: 公开了一种用于改变存储区域网络（SAN）中的数据分接过程的会话修改机制。 通常，建立数据分接机制，使得设备接收从特定SAN会话中抽取的SAN数据。 也就是说，数据分接机制向特定设备提供正在从特定主机写入特定存储设备的SAN数据的副本。 会话修改机制允许设备改变将要（或正在被窃取）的SAN会话的各个方面。 各种修改特征的示例包括（i）将主机发起的READ命令重定向到设备，并且不向存储设备发送这样的命令，（ii）将由主机发起的READ和WRITE命令重定向到设备，并且不发送这样的命令 （iii）停止重定向，从而使由主机发起的READ命令被发送到存储设备，由主机启动的WRITE命令被镜像到存储设备和设备，（iv）停顿和不起作用 用于特定存储设备和设备的所有数据I / O，以及（v）停止和启动数据分接机制。