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1. 发明申请

US20160337411A1 Synchronization of clients to maximize multicast opportunities 有权
公开(公告)号：US20160337411A1
公开(公告)日：2016-11-17
申请号：US15222189
申请日：2016-07-28
申请人： AT&T Intellectual Property I, L.P.
发明人： Alan L. Glasser , Andrew G. Gauld , Vijay Gopalakrishnan , John F. Lucas , Kadangode K. Ramakrishnan
IPC分类号： H04L29/06 , H04L29/08
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.

2. 发明申请

US20150195333A1 Synchronization of clients to maximize multicast opportunities 有权
标题翻译：同步客户端以最大限度地提高组播机会
公开(公告)号：US20150195333A1
公开(公告)日：2015-07-09
申请号：US14665900
申请日：2015-03-23
申请人： AT&T INTELLECTUAL PROPERTY I, L.P.
发明人： Alan L. Glasser , Andrew G. Gauld , Vijay Gopalakrishnan , John F. Lucas , Kadangode K. Ramakrishnan
IPC分类号： H04L29/08 , H04L29/06
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。

3. 发明申请

US20150039777A1 MULTICAST-UNICAST PROTOCOL CONVERTER 有权
标题翻译： MULTICAST-UNICAST协议转换器
公开(公告)号：US20150039777A1
公开(公告)日：2015-02-05
申请号：US14519815
申请日：2014-10-21
申请人： AT&T INTELLECTUAL PROPERTY I, L.P.
发明人： Alan L. Glasser , Andrew G. Gauld , John F. Lucas
IPC分类号： H04L29/06 , H04L29/14
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）。

4. 发明授权

US10701187B2 Multicast-unicast protocol converter 有权
公开(公告)号：US10701187B2
公开(公告)日：2020-06-30
申请号：US16101899
申请日：2018-08-13
申请人： AT&T Intellectual Property I, L.P.
发明人： Alan L. Glasser , Andrew G. Gauld , John F. Lucas
IPC分类号： H04L29/06 , H04L29/08 , H04L12/18 , H04L29/14 , H04L12/46 , H04L29/12
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.

5. 发明授权

US10084889B2 Multicast-unicast protocol converter 有权
公开(公告)号：US10084889B2
公开(公告)日：2018-09-25
申请号：US15413538
申请日：2017-01-24
申请人： AT&T Intellectual Property I, L.P.
发明人： Alan L. Glasser , Andrew G. Gauld , John F. Lucas
IPC分类号： H04L29/06 , H04L12/18 , H04L12/46 , H04L29/12
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.

6. 发明申请

US20140047109A1 Integrated Adaptive Anycast For Content Distribution 有权
标题翻译：内容分发的综合自适应任播
公开(公告)号：US20140047109A1
公开(公告)日：2014-02-13
申请号：US14053884
申请日：2013-10-15
申请人： AT&T INTELLECTUAL PROPERTY I, L.P.
发明人： Mario A. Santoro , Herani Brotman , Alan L. Glasser , James Miros , Oliver Spatscheck , Jacobus E. Van der Merwe
IPC分类号： H04L12/26
CPC分类号： H04L43/08 , H04L29/12066 , H04L45/126 , H04L61/1511 , H04L61/2007 , H04L67/1002 , H04L67/1008 , H04L67/1021
摘要： A system includes first and second cache servers a domain name server, and a route controller. The cache servers are each configured to respond to an anycast address. Additionally, the first cache server is configured to respond to a first unicast address, and the second cache server is configured to respond to a second unicast address. The router controller configured to determine wither the status of the first cache server is non-overloaded, overloaded, or offline. The route controller is further configured to instruct the domain name server to provide the second unicast address when the status is overloaded or offline, and modify routing of the anycast address to direct a content request sent to the anycast address to the second cache server when the status is offline. The domain name server is configured to receive a request from a requestor for a cache server address. Additionally, the domain name server is configured to provide an anycast address to the requestor when the status of the first cache server is non-overloaded, and provide the second unicast address to the requestor when the status of the first cache server is offline or overloaded.
摘要翻译：系统包括第一和第二缓存服务器，域名服务器和路由控制器。每个缓存服务器都配置为响应任播地址。此外，第一缓存服务器被配置为响应第一单播地址，并且第二高速缓存服务器被配置为响应第二单播地址。配置为确定第一个缓存服务器的状态的路由器控制器是非重载的，过载的或离线的。路由控制器还被配置为当状态过载或离线时，指示域名服务器提供第二单播地址，并且修改任播地址的路由以将发送到任播地址的内容请求定向到第二高速缓存服务器状态离线域名服务器被配置为从缓存服务器地址的请求者接收请求。此外，当第一缓存服务器的状态不重载时，域名服务器被配置为向请求者提供任播地址，并且当第一缓存服务器的状态离线或超载时，向请求者提供第二单播地址。

7. 发明授权

US10033605B2 Integrated adaptive anycast for content distribution 有权
公开(公告)号：US10033605B2
公开(公告)日：2018-07-24
申请号：US15604004
申请日：2017-05-24
申请人： AT&T Intellectual Property I, L.P.
发明人： Mario A. Santoro , Herani Brotman , Alan L. Glasser , James Miros , Oliver Spatscheck , Jacobus E. Van der Merwe
IPC分类号： G06F15/16 , H04L12/26 , H04L29/12 , H04L29/08 , H04L12/733
摘要： A system includes first and second cache servers a domain name server, and a route controller. The cache servers are each configured to respond to an anycast address. Additionally, the first cache server is configured to respond to a first unicast address, and the second cache server is configured to respond to a second unicast address. The router controller configured to determine wither the status of the first cache server is non-overloaded, overloaded, or offline. The route controller is further configured to instruct the domain name server to provide the second unicast address when the status is overloaded or offline, and modify routing of the anycast address to direct a content request sent to the anycast address to the second cache server when the status is offline. The domain name server is configured to receive a request from a requestor for a cache server address. Additionally, the domain name server is configured to provide an anycast address to the requestor when the status of the first cache server is non-overloaded, and provide the second unicast address to the requestor when the status of the first cache server is offline or overloaded.

8. 发明申请

US20170257294A1 Integrated Adaptive Anycast For Content Distribution 审中-公开
公开(公告)号：US20170257294A1
公开(公告)日：2017-09-07
申请号：US15604004
申请日：2017-05-24
申请人： AT&T Intellectual Property I, L.P.
发明人： Mario A. Santoro , Herani Brotman , Alan L. Glasser , James Miros , Oliver Spatscheck , Jacobus E. Van der Merwe
IPC分类号： H04L12/26 , H04L29/08 , H04L12/733 , H04L29/12
CPC分类号： H04L43/08 , H04L29/12066 , H04L45/126 , H04L61/1511 , H04L61/2007 , H04L67/1002 , H04L67/1008 , H04L67/1021
摘要： A system includes first and second cache servers a domain name server, and a route controller. The cache servers are each configured to respond to an anycast address. Additionally, the first cache server is configured to respond to a first unicast address, and the second cache server is configured to respond to a second unicast address. The router controller configured to determine wither the status of the first cache server is non-overloaded, overloaded, or offline. The route controller is further configured to instruct the domain name server to provide the second unicast address when the status is overloaded or offline, and modify routing of the anycast address to direct a content request sent to the anycast address to the second cache server when the status is offline. The domain name server is configured to receive a request from a requestor for a cache server address. Additionally, the domain name server is configured to provide an anycast address to the requestor when the status of the first cache server is non-overloaded, and provide the second unicast address to the requestor when the status of the first cache server is offline or overloaded.

9. 发明授权

US10594581B2 Integrated adaptive anycast for content distribution 有权
公开(公告)号：US10594581B2
公开(公告)日：2020-03-17
申请号：US16042765
申请日：2018-07-23
申请人： AT&T Intellectual Property I, L.P.
发明人： Mario A. Santoro , Herani Brotman , Alan L. Glasser , James Miros , Oliver Spatscheck , Jacobus E. Van der Merwe
IPC分类号： G06F15/16 , H04L12/26 , H04L29/12 , H04L12/733 , H04L29/08
摘要： A system includes first and second cache servers, a domain name server, and a route controller. The cache servers respond to an anycast address. The first and second cache servers respond to first and second unicast addresses respectively. The router controller determines if the first cache server is non-overloaded, overloaded, or offline. The route controller instructs the domain name server to provide the second unicast address when the status is overloaded or offline, and modifies routing of the anycast address to direct a content request sent to the anycast address to the second cache server when the status is offline. The domain name server receives a request from a requestor, and provides an anycast address to the requestor when the status of the first cache server is non-overloaded, and provides the second unicast address to the requestor when the status of the first cache server is offline or overloaded.

10. 发明申请

US20180331925A1 INTEGRATED ADAPTIVE ANYCAST FOR CONTENT DISTRIBUTION 审中-公开
公开(公告)号：US20180331925A1
公开(公告)日：2018-11-15
申请号：US16042765
申请日：2018-07-23
申请人： AT&T Intellectual Property I, L.P.
发明人： Mario A. Santoro , Herani Brotman , Alan L. Glasser , James Miros , Oliver Spatscheck , Jacobus E. Van der Merwe
IPC分类号： H04L12/26 , H04L29/12 , H04L29/08 , H04L12/733
CPC分类号： H04L43/08 , H04L29/12066 , H04L45/126 , H04L61/1511 , H04L61/2007 , H04L67/1002 , H04L67/1008 , H04L67/1021
摘要： A system includes first and second cache servers a domain name server, and a route controller. The cache servers are each configured to respond to an anycast address. Additionally, the first cache server is configured to respond to a first unicast address, and the second cache server is configured to respond to a second unicast address. The router controller configured to determine wither the status of the first cache server is non-overloaded, overloaded, or offline. The route controller is further configured to instruct the domain name server to provide the second unicast address when the status is overloaded or offline, and modify routing of the anycast address to direct a content request sent to the anycast address to the second cache server when the status is offline. The domain name server is configured to receive a request from a requestor for a cache server address. Additionally, the domain name server is configured to provide an anycast address to the requestor when the status of the first cache server is non-overloaded, and provide the second unicast address to the requestor when the status of the first cache server is offline or overloaded.

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