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1. 发明申请

US20110142053A1 METHODS AND APPARATUS TO COMMUNICATIVELY COUPLE VIRTUAL PRIVATE NETWORKS TO VIRTUAL MACHINES WITHIN DISTRIBUTIVE COMPUTING NETWORKS 有权
标题翻译：将通信联网虚拟私有网络与分布式计算机网络中的虚拟机器的方法和装置
公开(公告)号：US20110142053A1
公开(公告)日：2011-06-16
申请号：US12638643
申请日：2009-12-15
申请人： Jacobus Van Der Merwe , Alexandre Gerber , Kadangode Ramakrishnan
发明人： Jacobus Van Der Merwe , Alexandre Gerber , Kadangode Ramakrishnan
IPC分类号： H04L12/56
CPC分类号： H04L47/781 , G06F9/45558 , G06F9/5077 , G06F2009/45595 , H04L12/4641 , H04L12/4675 , H04L47/72 , H04L49/70
摘要： Methods and apparatus to communicatively couple virtual private networks to virtual machines within distributive computing networks are disclosed. A disclosed example method includes receiving a request to provision a virtual machine from a virtual private network, determining a host for the virtual machine within a distributive computing network, creating the virtual machine within the host, communicatively coupling the virtual machine to a virtual local area network switch within the distributive computing network, configuring a portion of a router to be communicatively coupled to the virtual machine via the virtual local area network switch by specifying an address space within the router associated with at least one of the virtual machine or the virtual private network communicatively coupled to the router, and communicatively coupling the portion of the router to the virtual private network.
摘要翻译：公开了将虚拟专用网络与分布式计算网络内的虚拟机通信地耦合的方法和装置。所公开的示例性方法包括：接收从虚拟专用网络提供虚拟机的请求，在分布式计算网络内确定虚拟机的主机，在主机内创建虚拟机，将虚拟机通信耦合到虚拟局域分布式计算网络内的网络交换机，通过指定与所述虚拟机或所述虚拟私人中的至少一个相关联的所述路由器内的地址空间，通过所述虚拟局域网交换机将路由器的一部分配置为通信地耦合到所述虚拟机网络通信地耦合到路由器，并且将路由器的一部分通信地耦合到虚拟专用网络。

2. 发明授权

US08705513B2 Methods and apparatus to communicatively couple virtual private networks to virtual machines within distributive computing networks 有权
标题翻译：将虚拟专用网络通信耦合到分布式计算网络内的虚拟机的方法和装置
公开(公告)号：US08705513B2
公开(公告)日：2014-04-22
申请号：US12638643
申请日：2009-12-15
申请人： Jacobus Van Der Merwe , Alexandre Gerber , Kadangode Ramakrishnan
发明人： Jacobus Van Der Merwe , Alexandre Gerber , Kadangode Ramakrishnan
IPC分类号： H04L12/28
CPC分类号： H04L47/781 , G06F9/45558 , G06F9/5077 , G06F2009/45595 , H04L12/4641 , H04L12/4675 , H04L47/72 , H04L49/70
摘要： Methods and apparatus to communicatively couple virtual private networks to virtual machines within distributive computing networks are disclosed. A disclosed example method includes receiving a request to provision a virtual machine from a virtual private network, determining a host for the virtual machine within a distributive computing network, creating the virtual machine within the host, communicatively coupling the virtual machine to a virtual local area network switch within the distributive computing network, configuring a portion of a router to be communicatively coupled to the virtual machine via the virtual local area network switch by specifying an address space within the router associated with at least one of the virtual machine or the virtual private network communicatively coupled to the router, and communicatively coupling the portion of the router to the virtual private network.
摘要翻译：公开了将虚拟专用网络与分布式计算网络内的虚拟机通信地耦合的方法和装置。所公开的示例性方法包括：接收从虚拟专用网络提供虚拟机的请求，在分布式计算网络内确定虚拟机的主机，在主机内创建虚拟机，将虚拟机通信耦合到虚拟局域分布式计算网络内的网络交换机，通过指定与所述虚拟机或所述虚拟私人中的至少一个相关联的所述路由器内的地址空间，通过所述虚拟局域网交换机将路由器的一部分配置为通信地耦合到所述虚拟机网络通信地耦合到路由器，并且将路由器的一部分通信地耦合到虚拟专用网络。

3. 发明申请

US20100058405A1 Systems and Methods for Distributing Video on Demand 有权
标题翻译：用于分发视频点播的系统和方法
公开(公告)号：US20100058405A1
公开(公告)日：2010-03-04
申请号：US12201844
申请日：2008-08-29
申请人： Kadangode Ramakrishnan , Rittwik Jana , Divesh Srivastava , Vijay Gopalakrishnan , Samrat Bhattacharjee
发明人： Kadangode Ramakrishnan , Rittwik Jana , Divesh Srivastava , Vijay Gopalakrishnan , Samrat Bhattacharjee
IPC分类号： H04N7/173
CPC分类号： H04N21/458 , H04N7/17318 , H04N21/262 , H04N21/4331 , H04N21/47202 , H04N21/4788 , H04N21/4856 , H04N21/6405 , H04N21/6408
摘要： A method of receiving content includes joining an in-progress multicast stream to receive a first portion of a content. The method further includes sending a request to a peer for a catch-up portion of the content, the request including a deadline for delivery of the content, and receiving the catch-up portion of the content from the peer prior to the deadline.
摘要翻译：接收内容的方法包括加入正在进行的多播流以接收内容的第一部分。所述方法还包括向所述对等体发送对所述内容的追赶部分的请求，所述请求包括用于传送内容的截止日期，以及在截止日期之前从对等体接收内容的追赶部分。

4. 发明申请

US20100023512A1 Methods and Systems for Content Access and Distribution 有权
标题翻译：内容访问和分发的方法和系统
公开(公告)号：US20100023512A1
公开(公告)日：2010-01-28
申请号：US12575016
申请日：2009-10-07
申请人： Kadangode Ramakrishnan , William Fenner , Michael Rabinovich , Divesh Srivastava , Yin Zhang
发明人： Kadangode Ramakrishnan , William Fenner , Michael Rabinovich , Divesh Srivastava , Yin Zhang
IPC分类号： G06F17/30
CPC分类号： H04L67/02 , H04L67/104 , H04L67/1097 , H04L67/12
摘要： Distribution of content between publishers and consumers is accomplished using an overlay network that may make use of XML language to facilitate content identification. The overlay network includes a plurality of routers that may be in communication with each other and the publishers and consumers on the Internet. Content and queries are identified by content descriptors that are routed from the originator to a nearest router in the overlay network. The nearest router, for each unique content descriptor, generates a hash identification of the content descriptor which is used by remaining routers in the overlay network to provide the appropriate functions with respect to the content descriptor. In particular, this allows all routers in the overlay network except the nearest router to properly route content without processing every content descriptor.
摘要翻译：发布商和消费者之间的内容分发是通过覆盖网络实现的，该网络可以利用XML语言来促进内容识别。覆盖网络包括可以彼此通信的多个路由器以及因特网上的发布者和消费者。内容和查询由从发起者路由到覆盖网络中最近的路由器的内容描述符来标识。对于每个唯一的内容描述符，最近的路由器生成内容描述符的散列标识符，该标识由覆盖网络中的剩余路由器使用以提供关于内容描述符的适当的功能。特别地，这允许除了最近的路由器之外的覆盖网络中的所有路由器正确路由内容而不处理每个内容描述符。

5. 发明申请

US20060251010A1 Loss tolerant transmission control protocol 失效
公开(公告)号：US20060251010A1
公开(公告)日：2006-11-09
申请号：US11290807
申请日：2005-12-01
申请人： Kadangode Ramakrishnan , Shivkumar Kalyanaraman , Vijaynarayanan Subramanian , Omesh Tickoo
发明人： Kadangode Ramakrishnan , Shivkumar Kalyanaraman , Vijaynarayanan Subramanian , Omesh Tickoo
IPC分类号： H04L12/26
CPC分类号： H04L1/0009 , H04L1/0007 , H04L1/1635 , H04L1/1809 , H04L47/10 , H04L47/14 , H04L47/193 , H04L47/27 , H04L47/365 , H04L69/16
摘要： Provided are apparatuses and methods for transmitting or receiving data packets in a data block in a communication network with a transport protocol. In one example, a loss tolerant TCP protocol is used in which a maximum segment size (MSS) may be adapted to a minimum granularity of a congestion window. Also, proactive forward error correction (FEC) packets may be added to a window of the data block. The number of proactive FEC packets may be determined, for example, based on an estimate erasure rate. In addition, reactive FEC packets may be added to the data block. Also, a receiver may receive data packets in a data block and process a selective acknowledgment (SACK) responsive to the data packets received.

6. 发明授权

US08813141B2 System and method of providing video content 有权
标题翻译：提供视频内容的系统和方法
公开(公告)号：US08813141B2
公开(公告)日：2014-08-19
申请号：US11891056
申请日：2007-08-08
申请人： Kadangode Ramakrishnan , Charles Robert Kalmanek, Jr. , Robert Duncan Doverspike , William C. Fenner
发明人： Kadangode Ramakrishnan , Charles Robert Kalmanek, Jr. , Robert Duncan Doverspike , William C. Fenner
IPC分类号： H04N7/173 , H04N21/438
CPC分类号： H04N21/23106 , H04N7/162 , H04N21/236 , H04N21/2625 , H04N21/4384 , H04N21/6405 , H04N21/8453
摘要： A method of providing video content is disclosed that includes receiving video content associated with a television stream from a video source at a server of a video distribution network. The method also includes sending a primary multicast video stream corresponding to the video content to a video distribution network entity via an Internet Protocol (IP) network. The primary multicast video stream is associated with a first bandwidth. Further, the method includes sending a secondary multicast video stream to the video distribution network entity via the IP network. The secondary multicast video stream is associated with a second bandwidth. The primary multicast video stream and the secondary multicast video stream are accessible to a set-top box device via the video distribution network entity in response to a channel change request that indicates the television stream. In addition, the frames of the secondary multicast video stream may be delayed with respect to their counterparts in the primary multicast video stream. This insures that, after sufficient buffering of frames of the primary multicast video stream, when the set-top box device switches from the secondary multicast video stream to the primary multicast video stream there will be no noticeable time shift.
摘要翻译：公开了一种提供视频内容的方法，包括从视频分发网络的服务器处的视频源接收与电视流相关联的视频内容。该方法还包括经由因特网协议（IP）网络向视频分配网络实体发送对应于视频内容的主要多播视频流。主要多播视频流与第一带宽相关联。此外，该方法包括经由IP网络向视频分配网络实体发送次要多播视频流。次要多播视频流与第二带宽相关联。响应于指示电视流的频道改变请求，主要多播视频流和次要多播视频流可经由视频分配网络实体对机顶盒设备进行访问。此外，次要多播视频流的帧可以相对于主要多播视频流中的对应物而被延迟。这确保了在主要多播视频流的帧充分缓冲之后，当机顶盒设备从次要多播视频流切换到主要多播视频流时，将不会有明显的时间偏移。

7. 发明授权

US08554941B2 Systems and methods for distributing video on demand 失效
公开(公告)号：US08554941B2
公开(公告)日：2013-10-08
申请号：US11848031
申请日：2007-08-30
申请人： Kadangode Ramakrishnan , Samrat Bhattacharjee , Tae Won Cho , Vijay Gopalkrishnan , Rittwik Jana , Divesh Srivastava
发明人： Kadangode Ramakrishnan , Samrat Bhattacharjee , Tae Won Cho , Vijay Gopalkrishnan , Rittwik Jana , Divesh Srivastava
IPC分类号： G06F15/16
CPC分类号： H04L67/104 , H04L65/4084 , H04L67/108 , H04L67/1091 , H04N7/17318 , H04N21/26616 , H04N21/632
摘要： A method of providing content comprises making the content available on a central server, and surveying a plurality of peers for a portion of the content. The portion of the content from one of the peers is obtained when the portion of the content is available from the one of the peers, and obtained from the central server when the portion of the content is not available from the plurality of peers.

8. 发明授权

US08462621B2 Systems and methods of multicast reconfiguration using cross-layer information 有权
标题翻译：使用跨层信息进行组播重配置的系统和方法
公开(公告)号：US08462621B2
公开(公告)日：2013-06-11
申请号：US12509760
申请日：2009-07-27
申请人： Kadangode Ramakrishnan , Robert Doverspike , Murat Yuksel
发明人： Kadangode Ramakrishnan , Robert Doverspike , Murat Yuksel
IPC分类号： G01R31/08
CPC分类号： H04L45/28 , H04L45/00 , H04L45/16 , H04L45/18 , H04L45/22 , H04L69/40
摘要： Systems and methods of multicast configuration are provided. A particular method includes detecting a failure in the data network at a first node of a data network. The method also includes determining an alternate route from the first node to a data source of the data network. The alternate route includes a second node as an upstream node. The method further includes determining whether the alternate route would create a loop in the data network. The method includes setting a state of the first node to a waiting-to-join the second node state when the alternate route would create a loop.
摘要翻译：提供组播配置的系统和方法。一种特定的方法包括检测在数据网络的第一节点处的数据网络中的故障。该方法还包括确定从第一节点到数据网络的数据源的替代路由。备用路由包括作为上游节点的第二节点。该方法还包括确定备用路由是否将在数据网络中创建循环。该方法包括当备用路由创建循环时，将第一节点的状态设置为等待加入第二节点状态。

9. 发明授权

US08392956B2 Systems and methods for processing media content requests 有权
标题翻译：用于处理媒体内容请求的系统和方法
公开(公告)号：US08392956B2
公开(公告)日：2013-03-05
申请号：US12856793
申请日：2010-08-16
申请人： Kadangode Ramakrishnan
发明人： Kadangode Ramakrishnan
IPC分类号： G06F3/00 , G06F13/00 , H04N5/445 , H04N7/173 , H04N5/76
CPC分类号： H04N21/262 , H04N21/26616 , H04N21/4333
摘要： A method for processing media content requests includes receiving, at a multimedia distribution computing device, a request for a media stream to be provided to a media device. The method includes determining, at the multimedia distribution computing device, whether media content of the media stream is for time-shifted viewing. The method includes sending a unicast transmission including at least a portion of the media content to the media device when the media content is not determined to be for time-shifted viewing. The method includes joining the media device to a multicast group associated with the media stream without sending the unicast transmission to the media device when the media content is determined to be for time-shifted viewing.
摘要翻译：一种用于处理媒体内容请求的方法包括在多媒体分发计算设备处接收要提供给媒体设备的媒体流的请求。该方法包括在多媒体分发计算设备处确定媒体流的媒体内容是否用于时移观看。该方法包括当媒体内容未被确定为用于时移观看时，向媒体设备发送包括媒体内容的至少一部分的单播传输。该方法包括当媒体内容被确定为用于时移观看时，将媒体设备加入到与媒体流相关联的多播组，而不向媒体设备发送单播传输。

10. 发明申请

US20130054804A1 System for Consolidating Heterogeneous Data Centers Through Virtualization of Services 有权
标题翻译：通过服务虚拟化巩固异构数据中心的系统
公开(公告)号：US20130054804A1
公开(公告)日：2013-02-28
申请号：US13218237
申请日：2011-08-25
申请人： Rittwik Jana , Vaneet Aggarwal , Xu Chen , Vijay Gopalakrishnan , Kadangode Ramakrishnan , Vinay Vaishampayan
发明人： Rittwik Jana , Vaneet Aggarwal , Xu Chen , Vijay Gopalakrishnan , Kadangode Ramakrishnan , Vinay Vaishampayan
IPC分类号： G06F15/173
CPC分类号： H04N21/23805 , G06F9/5038 , G06F2209/506 , H04N21/26216 , H04N21/26616 , H04N21/4331 , H04N21/6125 , H04N21/64738 , H04N21/6543
摘要： A system for resource provisioning for content delivery of multiple services is disclosed. The system may be configured to offer multiple services, wherein at least one first offered service is delivery of prerecorded content and at least one second offered service is content delivered according to a deadline. In at least one embodiment, the first offered service may be video content, and the second offered service may be broadcast television content. The system may also be configured to deliver at least a portion of the first offered service in advance of use of that portion of the first offered service such that resource demand in connection with delivery of service content of the second offered service at peak delivery may be reduced. As such, fewer resources are needed to provide uninterrupted service of the first and second offered services.
摘要翻译：公开了一种用于多个服务的内容传送的资源配置的系统。该系统可以被配置为提供多个服务，其中至少一个第一提供的服务是预先记录的内容的传送，并且至少一个第二提供的服务是根据最后期限递送的内容。在至少一个实施例中，第一提供服务可以是视频内容，并且第二提供服务可以是广播电视内容。系统还可以被配置为在使用第一提供服务的该部分之前提供第一提供服务的至少一部分，使得在高峰传送时与第二提供服务的服务内容的传递有关的资源需求可以是减少因此，需要更少的资源来提供第一和第二提供服务的不间断服务。

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