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1. 发明申请

US20090296565A1 SYSTEM AND METHOD FOR PROVIDING NETWORK ROUTE REDUNDANCY ACROSS LAYER 2 DEVICES 有权
标题翻译：用于提供网络路由冗余的系统和方法通过层2设备
公开(公告)号：US20090296565A1
公开(公告)日：2009-12-03
申请号：US12477069
申请日：2009-06-02
申请人： Andrew Tai-Chin KUO , Ivy Pei-Shan HSU , Jordi MONCADA-ELIAS , Rajkumar JALAN , Gurudeep KAMAT
发明人： Andrew Tai-Chin KUO , Ivy Pei-Shan HSU , Jordi MONCADA-ELIAS , Rajkumar JALAN , Gurudeep KAMAT
IPC分类号： H04L12/26 , H04L12/56 , H04J1/16
CPC分类号： H04L49/552 , H04L43/0876 , H04L45/00 , H04L45/18 , H04L45/32 , H04L45/48 , H04L45/586 , H04L69/40
摘要： Systems and methods are described for providing network route redundancy through Layer 2 devices, such as a loop free Layer 2 network having a plurality of switching devices. A virtual switch is coupled to the loop free Layer 2 network, the virtual switch having two or more switches configured to transition between master and backup modes to provide redundant support for the loop free Layer 2 network, the switches communicating their status through use of a plurality of redundancy control packets. The system also includes means for allowing the redundancy control packets to be flooded through the Layer 2 network. The means may include time-to-live data attached to the redundancy control packet which is decremented only when the packets are transferred through devices which are configured to recognize the protocol used in redundancy control packets.
摘要翻译：描述了通过第2层设备提供网络路由冗余的系统和方法，例如具有多个交换设备的无环路的二层网络。虚拟交换机耦合到无环路的二层网络，虚拟交换机具有两个或多个交换机，配置为在主模式和备用模式之间转换，为无环路的二层网络提供冗余支持，交换机通过使用多个冗余控制分组。该系统还包括允许冗余控制分组通过第2层网络淹没的装置。该装置可以包括附加到冗余控制分组的生存时间数据，只有当分组通过被配置为识别在冗余控制分组中使用的协议的设备传送时，该冗余控制分组才递减。

2. 发明申请

US20130315241A1 METHOD TO PROCESS HTTP HEADER WITH HARDWARE ASSISTANCE 有权
标题翻译：用硬件辅助处理HTTP头的方法
公开(公告)号：US20130315241A1
公开(公告)日：2013-11-28
申请号：US13480494
申请日：2012-05-25
申请人： Gurudeep KAMAT , Ian E. DAVIS , Rajkumar JALAN
发明人： Gurudeep KAMAT , Ian E. DAVIS , Rajkumar JALAN
IPC分类号： H04L12/56
CPC分类号： H04L47/125 , H04L47/31 , H04L67/02 , H04L67/1014 , H04L69/22 , H04L69/24
摘要： In processing Hypertext Transfer Protocol (HTTP) headers, a packet pre-processor is configured with at least one predetermined header field identifier. The packet pre-processor detects at least one header field identifier in a header field of an HTTP packet received over an HTTP session between a host and a server, matches the predetermined header field identifier to the header field identifier in the HTTP packet, generates a header report block comprising information corresponding to the header field identifier in the HTTP packet, and sends the HTTP packet and the header report block to a processor module for processing the HTTP packet based on the header report block. The processor module receives the HTTP packet and the header report block from the packet pre-processor, retrieves a service policy using the header report block, applies the service policy to the HTTP packet, and sends the HTTP packet to the host or the server.
摘要翻译：在处理超文本传输协议（HTTP）头部中，分组预处理器配置有至少一个预定的报头字段标识符。分组预处理器通过主机和服务器之间的HTTP会话接收的HTTP分组的报头字段中的至少一个报头字段标识符进行检测，将该预定报头字段标识符与HTTP分组中的报头字段标识符相匹配，生成头部报头块，其包括与HTTP分组中的报头字段标识符相对应的信息，并且将HTTP分组和报头报头块发送到处理器模块，用于基于报头报告块处理该HTTP分组。处理器模块从分组预处理器接收HTTP分组和报头块，使用头报头块检索服务策略，将服务策略应用于HTTP分组，并将HTTP分组发送到主机或服务器。

3. 发明申请

US20130166762A1 Methods to Manage Services over a Service Gateway 有权
公开(公告)号：US20130166762A1
公开(公告)日：2013-06-27
申请号：US13337030
申请日：2011-12-23
申请人： Rajkumar JALAN , Feilong XU , Rishi SAMPAT
发明人： Rajkumar JALAN , Feilong XU , Rishi SAMPAT
IPC分类号： G06F15/16
CPC分类号： H04L69/22 , G06F9/505 , H04L43/0817 , H04L61/00 , H04L61/103 , H04L61/1541 , H04L61/2007 , H04L61/255 , H04L67/00 , H04L67/02 , H04L67/1008 , H04L67/28 , H04L67/2814
摘要： In activating a service, a service gateway retrieves a service table entry using a service or server address of the service entry, where the service table entry has an association with another service entry. An association to the service entry is added and a marker value is set to indicate associations with two service entries. After a time duration, the association with the other service entry is removed, and the marker value is changed accordingly. In deactivating a service entry, the service gateway calculates a hash value for the service or server address of the service entry. After matching the hash value to a hash value of another service entry, an association with the other service entry is added. A marker value is set to indicate associations with two service entries. After a time duration, the association with the service entry is removed, and the marker value is changed accordingly.

4. 发明申请

US20130100958A1 METHODS TO COMBINE STATELESS AND STATEFUL SERVER LOAD BALANCING 有权
标题翻译：组合无状态和稳定的服务器负载均衡的方法
公开(公告)号：US20130100958A1
公开(公告)日：2013-04-25
申请号：US13280336
申请日：2011-10-24
申请人： Rajkumar JALAN , Feilong Xu , Lalgudi Narayanan Kannan , Ronald Wai Lun Szeto
发明人： Rajkumar JALAN , Feilong Xu , Lalgudi Narayanan Kannan , Ronald Wai Lun Szeto
IPC分类号： H04L12/56
CPC分类号： H04L67/1027 , H04L12/66 , H04L67/10 , H04L67/142 , H04L67/28 , H04L67/2819
摘要： The processing of data packets sent over a communication session between a host and a server by a service gateway, includes: processing a data packet using a current hybrid-stateful or hybrid-stateless, processing method; checking whether a hybrid-stateless, or hybrid-stateful, condition is satisfied; when the condition is satisfied, changing from a hybrid-stateful to a hybrid-stateless processing method, or vice versa, for a subsequently received data packet; and otherwise, continue processing the subsequently received data packet using the current hybrid processing method.
摘要翻译：通过服务网关在主机与服务器之间的通信会话中发送的数据分组的处理包括：使用当前混合状态或混合无状态的处理方法处理数据分组; 检查是否满足混合无国籍或混合状态条件; 当满足条件时，对于随后接收的数据分组，从混合状态变为混合无状态处理方法，反之亦然; 否则，使用当前的混合处理方法继续处理随后接收的数据分组。

5. 发明申请

US20120311116A1 SYCHRONIZATION OF CONFIGURATION FILE OF VIRTUAL APPLICATION DISTRIBUTION CHASSIS 有权
标题翻译：虚拟应用程序配置文件配置文件的同步
公开(公告)号：US20120311116A1
公开(公告)日：2012-12-06
申请号：US13154399
申请日：2011-06-06
申请人： Rajkumar JALAN , Dennis OSHIBA
发明人： Rajkumar JALAN , Dennis OSHIBA
IPC分类号： G06F15/177
CPC分类号： H04L41/084 , H04L29/06 , H04L41/0806 , H04L41/0816 , H04L67/34
摘要： Synchronization of configuration files of a virtual application distribution chassis, includes: processing a configuration command received by a master blade; updating a first configuration file with the configuration command and an updated tag by the master blade; sending a configuration message by the master blade to the slave blades informing of the updated configuration file, the configuration message comprising the updated tag; in response to receiving the configuration message by a given slave blade of the one or more slave blades, comparing the updated tag in the configuration message with a tag in a second configuration file stored at the given slave blade; and in response to determining that the updated tag in the configuration message is more recent than the tag in the second configuration file stored at the given slave blade, sending a request for the updated configuration file to the master blade by the given slave blade.
摘要翻译：虚拟应用分发机箱的配置文件同步包括：处理主刀片接收的配置命令; 使用配置命令更新第一配置文件和由主刀片更新的标签; 将所述主刀片的配置消息发送到所述从属刀片，通知所述更新的配置文件，所述配置消息包括所述更新的标签; 响应于由一个或多个从属刀片的给定从属刀片接收配置消息，将配置消息中的更新标签与存储在给定从属刀片上的第二配置文件中的标签进行比较; 并且响应于确定配置消息中的更新的标签比存储在给定从属刀片中的第二配置文件中的标签更新，由给定从属刀片向主刀片发送对更新的配置文件的请求。

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