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1. 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。

2. 发明授权

US07623534B1 Method 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：US07623534B1
公开(公告)日：2009-11-24
申请号：US11322828
申请日：2005-12-30
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： H04L12/56
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。

3. 发明授权

US08649382B2 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：US08649382B2
公开(公告)日：2014-02-11
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： H04L12/28 , H04L12/56
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。

4. 发明授权

US08649377B2 Methods and systems to store state used to forward multicast traffic 失效
标题翻译：存储用于转发组播流量的状态的方法和系统
公开(公告)号：US08649377B2
公开(公告)日：2014-02-11
申请号：US13277865
申请日：2011-10-20
申请人： Kadangode Ramakrishnan , Divesh Srivastava , Tae W. Cho , Yin Zhang , Michael Rabinovich
发明人： Kadangode Ramakrishnan , Divesh Srivastava , Tae W. Cho , Yin Zhang , Michael Rabinovich
IPC分类号： H04L12/28
CPC分类号： H04L12/1886 , H04L45/16 , H04L45/48
摘要： A method and system are described to multicast with an adaptive dual state. The system receives multicast traffic over a membership tree including a first plurality of nodes connected in a first topology destined for a plurality of multicast members of a first multicast group. Next, the system determines a rate of multicast traffic that exceeds a predetermined threshold based on the receiving the multicast traffic. Next, the system generates a dissemination tree including a second plurality of nodes connected in a second topology to reduce a number of hops to communicate the multicast traffic to the plurality of multicast members of the first multicast group. Finally, the system forwards the multicast traffic to the plurality of multicast members of the first multicast group over the dissemination tree.
摘要翻译：一种方法和系统被描述为具有自适应双状态的多播。系统通过隶属树接收组播流量，该成员树包括连接在第一个拓扑中的第一个多个节点，目的地是第一组播组的多个组播成员。接下来，系统基于接收到多播业务来确定超过预定阈值的多播业务速率。接下来，系统生成包括在第二拓扑中连接的第二多个节点的传播树，以减少将多播流量传送到第一多播组的多个多播成员的跳数。最后，系统通过传播树将组播流量转发给第一组播组的多个组播成员。

5. 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。

6. 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.

7. 发明申请

US20090063681A1 Systems and methods for distributing video on demand 失效
标题翻译：按需分发视频的系统和方法
公开(公告)号：US20090063681A1
公开(公告)日：2009-03-05
申请号：US11848031
申请日：2007-08-30
申请人： Kadangode Ramakrishnan , Samrat Bhattacharjee , Tae Won Cho , Vijay Gopalakrishnan , Rittwik Jana , Divesh Srivastava
发明人： Kadangode Ramakrishnan , Samrat Bhattacharjee , Tae Won Cho , Vijay Gopalakrishnan , Rittwik Jana , Divesh Srivastava
IPC分类号： G06F15/173
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.
摘要翻译：提供内容的方法包括使内容在中央服务器上可用，以及对一部分内容的多个对等体进行测量。当内容的一部分从对等体中的一个可用时获得来自一个对等体的内容的部分，并且当内容的部分不能从多个对等体获得时从中央服务器获得。

8. 发明授权

US08752100B2 Systems and methods for distributing video on demand 有权
标题翻译：按需分发视频的系统和方法
公开(公告)号：US08752100B2
公开(公告)日：2014-06-10
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。

9. 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。

10. 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.

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