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公开(公告)号：US08150993B2
公开(公告)日：2012-04-03
申请号：US12608649
申请日：2009-10-29
申请人： Alan L. Glasser , Andrew G. Gauld , Vijay Gopalakrishnan , John F. Lucas , Kadangode K. Ramakrishnan
发明人： Alan L. Glasser , Andrew G. Gauld , Vijay Gopalakrishnan , John F. Lucas , Kadangode K. Ramakrishnan
IPC分类号： G06F15/16
CPC分类号： H04L65/1069 , H04L12/18 , H04L47/15 , H04L49/201 , H04L65/4076 , H04L65/60 , H04L67/02 , H04L67/1008 , H04L67/1014 , H04L67/42 , H04L69/16 , H04N21/26275 , H04N21/6405 , H04W56/001 , H04W72/005
摘要： A content delivery system includes a unicast content delivery module, a multicast content delivery module, and a content monitor module. The unicast content delivery module is configured to provide content using a unicast protocol, and the multicast content delivery module is configured to provide the content using a multicast protocol. The content monitor module is configured to receive requests from a plurality of clients for the content, count the requests to determine if the number of requests exceeds a threshold, and instruct the plurality of clients to receive the content from the multicast content delivery module when the number of requests exceeds the threshold.
摘要翻译： 内容递送系统包括单播内容递送模块，多播内容递送模块和内容监控模块。 单播内容递送模块被配置为使用单播协议提供内容，并且多播内容递送模块被配置为使用多播协议来提供内容。 内容监视器模块被配置为从多个客户端接收针对内容的请求，对请求进行计数，以确定请求数量是否超过阈值，并且当多个客户端当多个客户端 请求数超过阈值。
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公开(公告)号：US20110106961A1
公开(公告)日：2011-05-05
申请号：US12608649
申请日：2009-10-29
申请人： Alan L. Glasser , Andrew G. Gauld , Vijay Gopalakrishnan , John F. Lucas , Kadangode K. Ramakrishnan
发明人： Alan L. Glasser , Andrew G. Gauld , Vijay Gopalakrishnan , John F. Lucas , Kadangode K. Ramakrishnan
IPC分类号： G06F15/16
CPC分类号： H04L65/1069 , H04L12/18 , H04L47/15 , H04L49/201 , H04L65/4076 , H04L65/60 , H04L67/02 , H04L67/1008 , H04L67/1014 , H04L67/42 , H04L69/16 , H04N21/26275 , H04N21/6405 , H04W56/001 , H04W72/005
摘要： A content delivery system includes a unicast content delivery module, a multicast content delivery module, and a content monitor module. The unicast content delivery module is configured to provide content using a unicast protocol, and the multicast content delivery module is configured to provide the content using a multicast protocol. The content monitor module is configured to receive requests from a plurality of clients for the content, count the requests to determine if the number of requests exceeds a threshold, and instruct the plurality of clients to receive the content from the multicast content delivery module when the number of requests exceeds the threshold.
摘要翻译： 内容递送系统包括单播内容递送模块，多播内容递送模块和内容监控模块。 单播内容递送模块被配置为使用单播协议提供内容，并且多播内容递送模块被配置为使用多播协议来提供内容。 内容监视器模块被配置为从多个客户端接收针对内容的请求，对请求进行计数，以确定请求数量是否超过阈值，并且当多个客户端当多个客户端 请求数超过阈值。
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公开(公告)号：US08656042B2
公开(公告)日：2014-02-18
申请号：US13404946
申请日：2012-02-24
申请人： Alan L. Glasser , Andrew G. Gauld , Vijay Gopalakrishnan , John F. Lucas , Kadangode K. Ramakrishnan
发明人： Alan L. Glasser , Andrew G. Gauld , Vijay Gopalakrishnan , John F. Lucas , Kadangode K. Ramakrishnan
IPC分类号： G06F15/16
CPC分类号： H04L65/1069 , H04L12/18 , H04L47/15 , H04L49/201 , H04L65/4076 , H04L65/60 , H04L67/02 , H04L67/1008 , H04L67/1014 , H04L67/42 , H04L69/16 , H04N21/26275 , H04N21/6405 , H04W56/001 , H04W72/005
摘要： A content monitor includes a processor that at least receives requests from a plurality of clients for content, instructs each client to retry their respective request at a first later time if the request is received before a first time, counts the requests to determine if a number of the requests exceeds a threshold if the request is received before a second time, instructs each client to retry their respective request at a second later time if the counted number of requests does not exceed a first threshold, instructs each client to join a multicast group to receive the content when the number of requests exceeds the first threshold, and counts a number of late clients joining the multicast group after a first portion of the content has been sent to the multicast group.
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公开(公告)号：US20120158983A1
公开(公告)日：2012-06-21
申请号：US13404946
申请日：2012-02-24
申请人： Alan L. Glasser , Andrew G. Gauld , Vijay Gopalakrishnan , John F. Lucas , Kadangode K. Ramakrishnan
发明人： Alan L. Glasser , Andrew G. Gauld , Vijay Gopalakrishnan , John F. Lucas , Kadangode K. Ramakrishnan
IPC分类号： G06F15/16
CPC分类号： H04L65/1069 , H04L12/18 , H04L47/15 , H04L49/201 , H04L65/4076 , H04L65/60 , H04L67/02 , H04L67/1008 , H04L67/1014 , H04L67/42 , H04L69/16 , H04N21/26275 , H04N21/6405 , H04W56/001 , H04W72/005
摘要： A content monitor includes a processor that at least receives requests from a plurality of clients for content, instructs each client to retry their respective request at a first later time if the request is received before a first time, counts the requests to determine if a number of the requests exceeds a threshold if the request is received before a second time, instructs each client to retry their respective request at a second later time if the counted number of requests does not exceed a first threshold, instructs each client to join a multicast group to receive the content when the number of requests exceeds the first threshold, and counts a number of late clients joining the multicast group after a first portion of the content has been sent to the multicast group.
摘要翻译： 内容监视器包括处理器，其至少接收来自多个客户机的内容的请求，指示每个客户端在第一时间之前在第一时间接收到请求以后，重新尝试其各自的请求，对该请求进行计数，以确定数字 如果请求在第二次之前被接收，则请求超过阈值，如果所计数的请求数不超过第一阈值，则指示每个客户端在稍后的时间重试其各自的请求，指示每个客户端加入多播组 当请求数量超过第一阈值时接收内容，并且在内容的第一部分已经被发送到多播组之后对加入多播组的较晚客户端的数量进行计数。
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公开(公告)号：US20110069705A1
公开(公告)日：2011-03-24
申请号：US12562825
申请日：2009-09-18
申请人： Alan L. Glasser , Andrew G. Gauld , John F. Lucas
发明人： Alan L. Glasser , Andrew G. Gauld , John F. Lucas
CPC分类号： H04L69/08 , H04L12/18 , H04L12/1836 , H04L12/4633 , H04L61/2069 , H04L67/02 , H04L67/42 , H04L69/40
摘要： A protocol converter includes a processor configured to receive a request for content from a client system. The processor is further configured to determine if the protocol converter is currently receiving the content through the multicast session, and join the multicast session if the protocol converter is not currently receiving the content. Additionally, the processor is configured to receive the content as an end point of the multicast session, format the content for communication to the client system, and provide content to the client system in a communication separate from the multicast session. Receiving the content as an end point of the multicast session can include terminating the application layer protocol used by the multicast session. Additionally, formatting the content can include re-encapsulating the content as hypertext transport protocol (HTTP) with an appropriate content-type.
摘要翻译： 协议转换器包括被配置为从客户端系统接收对内容的请求的处理器。 处理器还被配置为确定协议转换器当前是否通过多播会话接收内容，并且如果协议转换器当前没有接收到内容，则加入多播会话。 此外，处理器被配置为接收作为多播会话的终点的内容，将用于通信的内容格式化为客户端系统，并且在与多播会话分离的通信中向客户端系统提供内容。 接收作为多点传送会话的终点的内容可以包括终止多播会话使用的应用层协议。 此外，格式化内容可以包括将内容重新封装为具有适当内容类型的超文本传输协议（HTTP）。
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公开(公告)号：US08867539B2
公开(公告)日：2014-10-21
申请号：US12562825
申请日：2009-09-18
申请人： Alan L. Glasser , Andrew G. Gauld , John F. Lucas
发明人： Alan L. Glasser , Andrew G. Gauld , John F. Lucas
CPC分类号： H04L69/08 , H04L12/18 , H04L12/1836 , H04L12/4633 , H04L61/2069 , H04L67/02 , H04L67/42 , H04L69/40
摘要： A protocol converter includes a processor configured to receive a request for content from a client system. The processor is further configured to determine if the protocol converter is currently receiving the content through the multicast session, and join the multicast session if the protocol converter is not currently receiving the content. Additionally, the processor is configured to receive the content as an end point of the multicast session, format the content for communication to the client system, and provide content to the client system in a communication separate from the multicast session. Receiving the content as an end point of the multicast session can include terminating the application layer protocol used by the multicast session. Additionally, formatting the content can include re-encapsulating the content as hypertext transport protocol (HTTP) with an appropriate content-type.
摘要翻译： 协议转换器包括被配置为从客户端系统接收对内容的请求的处理器。 处理器还被配置为确定协议转换器当前是否通过多播会话接收内容，并且如果协议转换器当前没有接收到内容，则加入多播会话。 此外，处理器被配置为接收作为多播会话的终点的内容，将用于通信的内容格式化为客户端系统，并且在与多播会话分离的通信中向客户端系统提供内容。 接收作为多点传送会话的终点的内容可以包括终止多播会话使用的应用层协议。 此外，格式化内容可以包括将内容重新封装为具有适当内容类型的超文本传输协议（HTTP）。
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公开(公告)号：US08135840B2
公开(公告)日：2012-03-13
申请号：US12274526
申请日：2008-11-20
申请人： John F. Lucas , Alan Glasser , Andrew G. Gauld
发明人： John F. Lucas , Alan Glasser , Andrew G. Gauld
IPC分类号： G06F15/173
CPC分类号： H04L67/1008 , H04L65/4084 , H04L67/1002 , H04L67/101 , H04L67/1023 , H04L67/2814 , H04L67/289
摘要： A method of delivering content to a client includes receiving a request for the content from the client at a first server, determining the size of the content, and determining an optimal server to provide the content. The method further includes redirecting the client to the optimal server when the size of the content is above a threshold.
摘要翻译： 向客户端传送内容的方法包括在第一服务器处从客户端接收对内容的请求，确定内容的大小，以及确定提供内容的最佳服务器。 该方法还包括当内容的大小高于阈值时将客户端重定向到最佳服务器。
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公开(公告)号：US20100125626A1
公开(公告)日：2010-05-20
申请号：US12274526
申请日：2008-11-20
申请人： John F. Lucas , Alan Glasser , Andrew G. Gauld
发明人： John F. Lucas , Alan Glasser , Andrew G. Gauld
IPC分类号： G06F15/16
CPC分类号： H04L67/1008 , H04L65/4084 , H04L67/1002 , H04L67/101 , H04L67/1023 , H04L67/2814 , H04L67/289
摘要： A method of delivering content to a client includes receiving a request for the content from the client at a first server, determining the size of the content, and determining an optimal server to provide the content. The method further includes redirecting the client to the optimal server when the size of the content is above a threshold.
摘要翻译： 向客户端传送内容的方法包括在第一服务器处从客户端接收对内容的请求，确定内容的大小，以及确定提供内容的最佳服务器。 该方法还包括当内容的大小高于阈值时将客户端重定向到最佳服务器。
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