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1. 发明申请

US20110103223A1 System and Method to Determine Resource Status of End-to-End Path 有权
标题翻译：确定端到端路径资源状态的系统和方法
公开(公告)号：US20110103223A1
公开(公告)日：2011-05-05
申请号：US12608698
申请日：2009-10-29
申请人： Abinder S. Dhillon , Shan Zhu , Chandra Ganesh , Snigdho Chandra Bardalai
发明人： Abinder S. Dhillon , Shan Zhu , Chandra Ganesh , Snigdho Chandra Bardalai
IPC分类号： H04L12/56
CPC分类号： H04L47/724 , H04L47/10 , H04L49/253
摘要： Determining availability of an end-to-end physical path associated with reserved resources of a tunnel may include determining, for one or more nodes, a resource status for one or more resources integral to each node. Resource status for the integral resources of each node may be recorded in a message. Each node may communicate its associated message to one or more other nodes. At least one particular node of the one or more nodes may receive the messages communicated from the one or more nodes. The at least one particular node may store resource statuses for each of the one or more nodes. Based on an analysis of resource statuses, the at least one particular node may determine an availability of an end-to-end path of reserved resources of a tunnel including one or more of the nodes based on an analysis of resource statuses.
摘要翻译：确定与隧道的预留资源相关联的端到端物理路径的可用性可以包括为一个或多个节点确定一个或多个资源对于每个节点集成的资源状态。每个节点的整体资源的资源状态可以记录在消息中。每个节点可以将其相关联的消息传送到一个或多个其他节点。一个或多个节点的至少一个特定节点可以接收从一个或多个节点传送的消息。所述至少一个特定节点可以存储针对所述一个或多个节点中的每一个的资源状态。基于对资源状态的分析，至少一个特定节点可以基于资源状态的分析来确定包括节点中的一个或多个的隧道的保留资源的端到端路径的可用性。

2. 发明授权

US08599703B2 System and method to determine resource status of end-to-end path 有权
标题翻译：确定端到端路径资源状态的系统和方法
公开(公告)号：US08599703B2
公开(公告)日：2013-12-03
申请号：US12608698
申请日：2009-10-29
申请人： Abinder S. Dhillon , Shan Zhu , Chandra Ganesh , Snigdho Chandra Bardalai
发明人： Abinder S. Dhillon , Shan Zhu , Chandra Ganesh , Snigdho Chandra Bardalai
IPC分类号： G01R31/08
CPC分类号： H04L47/724 , H04L47/10 , H04L49/253
摘要： Determining availability of an end-to-end physical path associated with reserved resources of a tunnel may include determining, for one or more nodes, a resource status for one or more resources integral to each node. Resource status for the integral resources of each node may be recorded in a message. Each node may communicate its associated message to one or more other nodes. At least one particular node of the one or more nodes may receive the messages communicated from the one or more nodes. The at least one particular node may store resource statuses for each of the one or more nodes. Based on an analysis of resource statuses, the at least one particular node may determine an availability of an end-to-end path of reserved resources of a tunnel including one or more of the nodes based on an analysis of resource statuses.
摘要翻译：确定与隧道的保留资源相关联的端到端物理路径的可用性可以包括为一个或多个节点确定一个或多个资源对于每个节点集成的资源状态。每个节点的整体资源的资源状态可以记录在消息中。每个节点可以将其相关联的消息传送到一个或多个其他节点。一个或多个节点的至少一个特定节点可以接收从一个或多个节点传送的消息。所述至少一个特定节点可以存储针对所述一个或多个节点中的每一个的资源状态。基于对资源状态的分析，至少一个特定节点可以基于资源状态的分析来确定包括节点中的一个或多个的隧道的保留资源的端到端路径的可用性。

3. 发明授权

US08218968B2 System and method for discovering neighboring nodes 有权
标题翻译：用于发现相邻节点的系统和方法
公开(公告)号：US08218968B2
公开(公告)日：2012-07-10
申请号：US11764507
申请日：2007-06-18
申请人： Snigdho Chandra Bardalai
发明人： Snigdho Chandra Bardalai
IPC分类号： H04B10/20 , H04B17/00 , H04J14/00 , H04L12/26
CPC分类号： H04L45/22 , H04L12/42 , H04L43/0811 , H04L45/02 , H04L45/28
摘要： A method for discovering neighboring nodes includes establishing a first optical connection with a first node using a first link. The method also includes detecting a change in the first optical connection. The method further includes initiating a discovery process to detect whether the first node or a second node is using the first link. The method additionally includes, upon detecting a second node using the first link, disabling the first optical connection and establishing a second optical connection with the second node.
摘要翻译：用于发现相邻节点的方法包括使用第一链路建立与第一节点的第一光学连接。该方法还包括检测第一光学连接的变化。该方法还包括启动发现过程以检测第一节点或第二节点是否正在使用第一链路。该方法还包括在检测到使用第一链路的第二节点时，禁用第一光学连接并建立与第二节点的第二光学连接。

4. 发明申请

US20110222538A1 Method and System for L3 Bridging Using L3-To-L2 Mapping Database 审中-公开
标题翻译：使用L3到L2映射数据库的L3桥接方法和系统
公开(公告)号：US20110222538A1
公开(公告)日：2011-09-15
申请号：US12723087
申请日：2010-03-12
申请人： Bijendra Singh , Arun Saha , Snigdho Chandra Bardalai
发明人： Bijendra Singh , Arun Saha , Snigdho Chandra Bardalai
IPC分类号： H04L12/56
CPC分类号： H04L45/74 , H04L45/50
摘要： A method may include creating an L3-L2 database on a first switch, the database having one or more entries, each entry: (a) associating a Level 3 (L3) unique identifier associated with a virtual local area network (VLAN) communicatively coupled to the first switch to a Level 2 (L2) unique identifier associated with the VLAN, and (b) associating the L3 unique identifier with a port of the first switch. The method may also include receiving a network packet at the first switch. The method may additionally include determining if a destination VLAN for the network packet has a corresponding entry in the L3-L2 database. The method may further include switching the network packet to the port in response to a determination that the destination VLAN for the network packet has a corresponding entry in the L3-L2 database, such that the packet is communicated to one of: (a) the destination VLAN, and (b) a second switch intermediate to the first switch and the destination VLAN.
摘要翻译：一种方法可以包括在第一交换机上创建L3-L2数据库，所述数据库具有一个或多个条目，每个条目：（a）将与虚拟局域网（VLAN）相关联的级别3（L3）唯一标识符与通信耦合到第一个切换到与VLAN相关联的级别2（L2）唯一标识符，以及（b）将L3唯一标识符与第一交换机的端口相关联。该方法还可以包括在第一交换机处接收网络分组。该方法可以另外包括确定网络分组的目的地VLAN是否具有L3-L2数据库中的相应条目。响应于确定网络分组的目的地VLAN具有L3-L2数据库中的对应条目，该方法还可以包括将网络分组转换到端口，使得分组被传送到以下各项之一：（a）目的VLAN，（b）第二个交换机和目的VLAN之间的第二个交换机。

5. 发明授权

US09525615B2 Systems and methods for implementing multiple ISIS routing instances on a network element 有权
标题翻译：在网络元件上实现多个ISIS路由实例的系统和方法
公开(公告)号：US09525615B2
公开(公告)日：2016-12-20
申请号：US12832430
申请日：2010-07-08
申请人： Albert Vinson Smith, Jr. , Man Wing Fong , Snigdho Chandra Bardalai
发明人： Albert Vinson Smith, Jr. , Man Wing Fong , Snigdho Chandra Bardalai
IPC分类号： G06F15/177 , G06F15/16 , H04L12/715 , H04L12/26 , H04L12/54
CPC分类号： H04L45/04 , H04L43/065 , H04L43/12 , H04L47/70
摘要： According to one embodiment, a method may include instantiating a primary intermediate system to intermediate system (ISIS) instance on a network element. The method may further include instantiating a secondary ISIS instance on the network element. The method may also include configuring the primary ISIS instance and the secondary ISIS instance to appear as a single ISIS instance to other network elements remote to the network element.
摘要翻译：根据一个实施例，一种方法可以包括将主要中间系统实例化为网络元件上的中间系统（ISIS）实例。该方法还可以包括在网络元件上实例化次要ISIS实例。该方法还可以包括将主ISIS实例和次ISIS实例配置为向远离网元的其他网元显示为单个ISIS实例。

6. 发明授权

US07688834B2 System and method for providing support for multiple control channels 有权
标题翻译：为多个控制通道提供支持的系统和方法
公开(公告)号：US07688834B2
公开(公告)日：2010-03-30
申请号：US11763930
申请日：2007-06-15
申请人： Snigdho Chandra Bardalai , Stephen John Unger
发明人： Snigdho Chandra Bardalai , Stephen John Unger
IPC分类号： H04L12/28 , H04L12/56 , H04L12/40
CPC分类号： H04L45/00 , H04L41/08 , H04L41/18 , H04L67/14 , H04Q11/0062 , H04Q2011/0077 , H04Q2011/0081 , H04Q2011/0088
摘要： A method for providing support for multiple control channels includes establishing an indirect data connection with a first network entity in an optical network. The method also includes establishing a first control channel with the first network entity. The first control channel has at least one unique source IP address. The method additionally includes transmitting a first control message to the first network entity via the first control channel. The first control message comprises a first unique source IP address.
摘要翻译：用于提供对多个控制信道的支持的方法包括建立与光网络中的第一网络实体的间接数据连接。该方法还包括与第一网络实体建立第一控制信道。第一个控制通道至少有一个唯一的源IP地址。该方法还包括经由第一控制信道向第一网络实体发送第一控制消息。第一控制消息包括第一唯一源IP地址。

7. 发明申请

US20080112322A1 System and Method for Rejecting a Request to Alter a Connection 有权
标题翻译：用于拒绝改变连接的请求的系统和方法
公开(公告)号：US20080112322A1
公开(公告)日：2008-05-15
申请号：US11764525
申请日：2007-06-18
申请人： Snigdho Chandra Bardalai
发明人： Snigdho Chandra Bardalai
IPC分类号： G08C15/00
CPC分类号： H04L47/724 , H04L45/00 , H04L47/15 , H04L47/70 , H04L47/762 , H04L47/765
摘要： A method for rejecting a request to alter a connection includes establishing a first connection with a first node and a second connection with a second node. The second connection passes through the first node and has an associated first end-to-end state. The method also includes transmitting, for relay by the first node to the second node, a first request to alter the second connection with the second node so that the second connection will have an associated second end-to-end state. The method additionally includes receiving a rejection message from the first node indicating that the first request to alter the second connection failed. The method further includes transmitting a second request to alter the second connection with the second node to ensure that the second connection is again in the associated first end-to-end state.
摘要翻译：拒绝改变连接的请求的方法包括建立与第一节点的第一连接和与第二节点的第二连接。第二个连接通过第一个节点并具有相关的第一个端对端状态。该方法还包括向第二节点发送用于中继第一节点的第一请求，以改变与第二节点的第二连接，使得第二连接将具有相关联的第二端对端状态。该方法还包括从第一节点接收指示改变第二连接的第一请求失败的拒绝消息。该方法还包括发送第二请求以改变与第二节点的第二连接，以确保第二连接再次处于相关联的第一端到端状态。

8. 发明申请

US20080107415A1 System and Method for Discovering Neighboring Nodes 有权
标题翻译：用于发现相邻节点的系统和方法
公开(公告)号：US20080107415A1
公开(公告)日：2008-05-08
申请号：US11764507
申请日：2007-06-18
申请人： Snigdho Chandra Bardalai
发明人： Snigdho Chandra Bardalai
IPC分类号： H04J14/00 , H04B10/20
CPC分类号： H04L45/22 , H04L12/42 , H04L43/0811 , H04L45/02 , H04L45/28
摘要： A method for discovering neighboring nodes includes establishing a first optical connection with a first node using a first link. The method also includes detecting a change in the first optical connection. The method further includes initiating a discovery process to detect whether the first node or a second node is using the first link. The method additionally includes, upon detecting a second node using the first link, disabling the first optical connection and establishing a second optical connection with the second node.
摘要翻译：用于发现相邻节点的方法包括使用第一链路建立与第一节点的第一光学连接。该方法还包括检测第一光学连接的变化。该方法还包括启动发现过程以检测第一节点或第二节点是否正在使用第一链路。该方法还包括在检测到使用第一链路的第二节点时，禁用第一光学连接并建立与第二节点的第二光学连接。

9. 发明申请

US20110206368A1 Optical Network Computation Engine 有权
标题翻译：光网络计算引擎
公开(公告)号：US20110206368A1
公开(公告)日：2011-08-25
申请号：US12710177
申请日：2010-02-22
申请人： Snigdho Chandra Bardalai
发明人： Snigdho Chandra Bardalai
IPC分类号： H04B17/00
CPC分类号： H04B10/0773
摘要： An apparatus for computing optical network characteristics may comprise: a plurality of network elements arranged into two or more domains; two or more optical computation engines, each of the two or more optical computation engine associated with a respective one of the two or more domains; and a centralized path computation engine configured to interface with the two or more optical computation engines to calculate one or more characteristics of the optical path. Each of the two or more domains may comprise one or more network elements sharing a common operational characteristic. The plurality of network elements may be in optical communication along an optical path, the optical path including a first network element at an origin of the optical path and a final network element at a terminus of the optical path. The two or more optical computation engines may be configured to perform calculations related to the optical performance of the network elements associated with the same domain as the optical computation engine.
摘要翻译：用于计算光网络特性的装置可以包括：布置成两个或更多个域的多个网络元件; 两个或更多个光学计算引擎，两个或更多个光学计算引擎中的每一个与两个或更多个域中相应的一个域相关联; 以及集中路径计算引擎，其被配置为与所述两个或更多个光学计算引擎接口以计算所述光路的一个或多个特性。两个或更多个域中的每一个可以包括共享公共操作特性的一个或多个网络元件。多个网络元件可以沿着光路进行光通信，光路包括位于光路原点的第一网络元件和光路末端处的最终网络元件。两个或多个光学计算引擎可以被配置为执行与与光学计算引擎相同的域相关联的网络元件的光学性能的计算。

10. 发明授权

US07986623B2 System and method for rejecting a request to alter a connection 有权
标题翻译：用于拒绝更改连接的请求的系统和方法
公开(公告)号：US07986623B2
公开(公告)日：2011-07-26
申请号：US11764525
申请日：2007-06-18
申请人： Snigdho Chandra Bardalai
发明人： Snigdho Chandra Bardalai
IPC分类号： H04L12/28
CPC分类号： H04L47/724 , H04L45/00 , H04L47/15 , H04L47/70 , H04L47/762 , H04L47/765
摘要： A method for rejecting a request to alter a connection includes establishing a first connection with a first node and a second connection with a second node. The second connection passes through the first node and has an associated first end-to-end state. The method also includes transmitting, for relay by the first node to the second node, a first request to alter the second connection with the second node so that the second connection will have an associated second end-to-end state. The method additionally includes receiving a rejection message from the first node indicating that the first request to alter the second connection failed. The method further includes transmitting a second request to alter the second connection with the second node to ensure that the second connection is again in the associated first end-to-end state.
摘要翻译：拒绝改变连接的请求的方法包括建立与第一节点的第一连接和与第二节点的第二连接。第二个连接通过第一个节点并具有相关的第一个端对端状态。该方法还包括向第二节点发送用于中继第一节点的第一请求，以改变与第二节点的第二连接，使得第二连接将具有相关联的第二端对端状态。该方法还包括从第一节点接收指示改变第二连接的第一请求失败的拒绝消息。该方法还包括发送第二请求以改变与第二节点的第二连接，以确保第二连接再次处于相关联的第一端到端状态。

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