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1. 发明授权

US08607014B2 Multi-autonomous system anycast content delivery network 有权
标题翻译：多自治系统任播内容传送网络
公开(公告)号：US08607014B2
公开(公告)日：2013-12-10
申请号：US12645000
申请日：2009-12-22
申请人： Oliver Spatscheck , Zakaria Al-Qudah , Seunjoon Lee , Michael Rabinovich , Jacobus Van der Merwe
发明人： Oliver Spatscheck , Zakaria Al-Qudah , Seunjoon Lee , Michael Rabinovich , Jacobus Van der Merwe
IPC分类号： G06F12/00 , G06F13/00 , G06F13/28 , G06F15/173 , G06F15/16
CPC分类号： G06F9/5083 , H04L67/1004 , H04L67/1008 , H04L67/1031
摘要： A content delivery network includes first and second sets of cache servers, a domain name server, and an anycast island controller. The first set of cache servers is hosted by a first autonomous system and the second set of cache servers is hosted by a second autonomous system. The cache servers are configured to respond to an anycast address for the content delivery network, to receive a request for content from a client system, and provide the content to the client system. The first and second autonomous systems are configured to balance the load across the first and second sets of cache servers, respectively. The domain name server is configured to receive a request from a requestor for a cache server address, and provide the anycast address to the requestor in response to the request. The anycast island controller is configured to receive load information from each of the cache servers, determine an amount of requests to transfer from the first autonomous system to the second autonomous system; send an instruction to the first autonomous system to transfer the amount of requests to the second autonomous system.
摘要翻译：内容传送网络包括第一和第二组缓存服务器，域名服务器和任播岛控制器。第一组缓存服务器由第一自主系统托管，第二组缓存服务器由第二自主系统托管。缓存服务器被配置为响应内容传送网络的任播地址，从客户端系统接收对内容的请求，并将内容提供给客户端系统。第一和第二自治系统被配置为分别平衡跨越第一组和第二组缓存服务器的负载。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，并且响应于请求向请求者提供任播地址。所述任播岛控制器被配置为从每个所述高速缓存服务器接收负载信息，确定从所述第一自治系统转移到所述第二自治系统的请求量; 向第一自治系统发送指令以将请求量传送到第二自治系统。

2. 发明申请

US20110153941A1 Multi-Autonomous System Anycast Content Delivery Network 有权
标题翻译：多自治系统任播内容交付网络
公开(公告)号：US20110153941A1
公开(公告)日：2011-06-23
申请号：US12645000
申请日：2009-12-22
申请人： Oliver Spatscheck , Zakaria Al-Qudah , Seungjoon Lee , Michael Rabinovich , Jacobus Van der Merwe
发明人： Oliver Spatscheck , Zakaria Al-Qudah , Seungjoon Lee , Michael Rabinovich , Jacobus Van der Merwe
IPC分类号： G06F15/16 , G06F12/08
CPC分类号： G06F9/5083 , H04L67/1004 , H04L67/1008 , H04L67/1031
摘要： A content delivery network includes first and second sets of cache servers, a domain name server, and an anycast island controller. The first set of cache servers is hosted by a first autonomous system and the second set of cache servers is hosted by a second autonomous system. The cache servers are configured to respond to an anycast address for the content delivery network, to receive a request for content from a client system, and provide the content to the client system. The first and second autonomous systems are configured to balance the load across the first and second sets of cache servers, respectively. The domain name server is configured to receive a request from a requestor for a cache server address, and provide the anycast address to the requestor in response to the request. The anycast island controller is configured to receive load information from each of the cache servers, determine an amount of requests to transfer from the first autonomous system to the second autonomous system; send an instruction to the first autonomous system to transfer the amount of requests to the second autonomous system.
摘要翻译：内容传送网络包括第一和第二组缓存服务器，域名服务器和任播岛控制器。第一组缓存服务器由第一自主系统托管，第二组缓存服务器由第二自主系统托管。缓存服务器被配置为响应内容传送网络的任播地址，从客户端系统接收对内容的请求，并将内容提供给客户端系统。第一和第二自治系统被配置为分别平衡跨越第一组和第二组缓存服务器的负载。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，并且响应于请求向请求者提供任播地址。所述任播岛控制器被配置为从每个所述高速缓存服务器接收负载信息，确定从所述第一自治系统转移到所述第二自治系统的请求量; 向第一自治系统发送指令以将请求量传送到第二自治系统。

3. 发明授权

US08560597B2 Anycast transport protocol for content distribution networks 有权
公开(公告)号：US08560597B2
公开(公告)日：2013-10-15
申请号：US12580861
申请日：2009-10-16
申请人： Oliver Spatscheck , Seungjoon Lee , Michael Rabinovich , Jacobus Van der Merwe
发明人： Oliver Spatscheck , Seungjoon Lee , Michael Rabinovich , Jacobus Van der Merwe
IPC分类号： G06F15/16
CPC分类号： H04L67/42 , H04L67/1002 , H04L67/2842
摘要： A cache server for providing content includes a processor configured to receive a first datagram from a client system sent to an anycast address, send a response datagram to the client system in response to the first datagram, receive a request datagram from the client system sent to the anycast address, and send a batch of content datagrams to the client system. The first datagram includes a universal resource locator corresponding to the content. The response datagram includes a content identifier for the content. The request datagram includes the content identifier, an offset, and a bandwidth indicator. The batch of content datagrams includes a portion of the content starting at the offset.

4. 发明申请

US20110029596A1 Anycast Transport Protocol for Content Distribution Networks 有权
标题翻译：内容分发网络的无线传输协议
公开(公告)号：US20110029596A1
公开(公告)日：2011-02-03
申请号：US12580861
申请日：2009-10-16
申请人： Oliver Spatscheck , Seungjoon Lee , Michael Rabinovich , Jacobus Van der Merwe
发明人： Oliver Spatscheck , Seungjoon Lee , Michael Rabinovich , Jacobus Van der Merwe
IPC分类号： G06F15/16
CPC分类号： H04L67/42 , H04L67/1002 , H04L67/2842
摘要： A cache server for providing content includes a processor configured to receive a first datagram from a client system sent to an anycast address, send a response datagram to the client system in response to the first datagram, receive a request datagram from the client system sent to the anycast address, and send a batch of content datagrams to the client system. The first datagram includes a universal resource locator corresponding to the content. The response datagram includes a content identifier for the content. The request datagram includes the content identifier, an offset, and a bandwidth indicator. The batch of content datagrams includes a portion of the content starting at the offset.
摘要翻译：用于提供内容的缓存服务器包括处理器，其被配置为从发送到任播地址的客户端系统接收第一数据报，响应于第一数据报将响应数据报发送到客户端系统，从发送到任播地址，并将一批内容数据报发送到客户端系统。第一个数据报包括与内容相对应的通用资源定位符。响应数据报包括内容的内容标识符。请求数据报包括内容标识符，偏移量和带宽指示符。该批内容数据报包括从偏移开始的内容的一部分。

5. 发明授权

US07725536B2 Method and apparatus for limiting reuse of domain name system information 有权
标题翻译：限制域名系统信息重用的方法和装置
公开(公告)号：US07725536B2
公开(公告)日：2010-05-25
申请号：US12259887
申请日：2008-10-28
申请人： Frederick Douglis , Michael Rabinovich , Oliver Spatscheck
发明人： Frederick Douglis , Michael Rabinovich , Oliver Spatscheck
IPC分类号： G06F15/16 , G06F15/173
CPC分类号： H04L29/12811 , H04L29/12066 , H04L61/1511 , H04L61/6009 , H04L67/1002 , H04L2029/06054
摘要： A method of limiting reuse of domain name information is disclosed. In accordance with the method, domain name information is received at a first domain name sewer. The domain name information includes a time limit and a request limit associated with subsequent distribution of the domain name information to at least one requestor. The received domain name information is validated from a second domain name server based on earliest expiration of the time limit and the request limit.
摘要翻译：公开了一种限制域名信息重用的方法。根据该方法，在第一域名下水道处接收域名信息。域名信息包括时间限制和与随后向至少一个请求者分发域名信息相关联的请求限制。收到的域名信息根据时间限制和请求限制的最早到期从第二个域名服务器进行验证。

6. 发明申请

US20090070453A1 Method and Apparatus for Limiting Reuse of Domain Name System Response Information 有权
标题翻译：限制域名系统响应信息重用的方法和装置
公开(公告)号：US20090070453A1
公开(公告)日：2009-03-12
申请号：US12259887
申请日：2008-10-28
申请人： Frederick Douglis , Michael Rabinovich , Oliver Spatscheck
发明人： Frederick Douglis , Michael Rabinovich , Oliver Spatscheck
IPC分类号： G06F15/173
CPC分类号： H04L29/12811 , H04L29/12066 , H04L61/1511 , H04L61/6009 , H04L67/1002 , H04L2029/06054
摘要： A method of limiting reuse of domain name information includes the steps of requesting the information by a local domain name server from an authoritative domain name server, and providing this information to a requestor, such as a client or server. The domain name information includes an allowable usage limit that represents a maximum number of times that the information can be provided to the requestor before revalidating the information. A system for limiting reuse of domain name information includes an authoritative domain name server, a local domain name server, and a requestor. The authoritative server provides the information, which includes the allowable usage limit, in response to a request by the local server. The request from the local server may include the number of times that the local server provided the information to one or more requestors as an observed usage.
摘要翻译：一种限制域名信息重用的方法包括以下步骤：从权威域名服务器请求本地域名服务器的信息，并将该信息提供给诸如客户端或服务器的请求者。域名信息包括允许的使用限制，其表示在重新验证信息之前可以向请求者提供信息的最大次数。限制域名信息重用的系统包括权威域名服务器，本地域名服务器和请求者。权威服务器响应本地服务器的请求提供信息，其中包括允许的使用限制。来自本地服务器的请求可以包括本地服务器向一个或多个请求者提供信息作为观察到的使用的次数。

7. 发明授权

US07562153B2 Method and apparatus for content distribution network brokering and peering 有权
公开(公告)号：US07562153B2
公开(公告)日：2009-07-14
申请号：US09901317
申请日：2001-07-09
申请人： Alexandros Biliris , Charles D. Cranor , Frederick Douglis , Cooper Nelson , Michael Rabinovich , Sandeep Sibal , Oliver Spatscheck , Walter Sturm
发明人： Alexandros Biliris , Charles D. Cranor , Frederick Douglis , Cooper Nelson , Michael Rabinovich , Sandeep Sibal , Oliver Spatscheck , Walter Sturm
IPC分类号： G06F15/16
CPC分类号： H04L61/1511 , H04L29/06 , H04L29/12066 , H04L29/12783 , H04L61/35 , H04L67/10 , H04L67/1002 , H04L67/1008 , H04L67/1012 , H04L67/1014 , H04L67/1021 , H04L67/1023 , H04L67/1029 , H04L67/1031 , H04L67/18 , H04L69/329 , H04L2029/06054
摘要： The present invention provides an architecture that advantageously leverages multiple content distribution networks to provide enhanced services. In accordance with an embodiment of the present invention, a share of content requests are served by each of a plurality of content distribution networks. The fraction of content requests served by a particular content distribution network can be determined dynamically, depending on the offered load or other traffic characteristics.

8. 发明授权

US07941556B2 Monitoring for replica placement and request distribution 有权
标题翻译：监控复制放置和请求分配
公开(公告)号：US07941556B2
公开(公告)日：2011-05-10
申请号：US11290137
申请日：2005-11-30
申请人： Claudia Canali , Alexandre Gerber , Stephen Fisher , Michael Rabinovich , Oliver Spatscheck , Zhen Xiao
发明人： Claudia Canali , Alexandre Gerber , Stephen Fisher , Michael Rabinovich , Oliver Spatscheck , Zhen Xiao
IPC分类号： G06F15/173
CPC分类号： H04L29/12066 , H04L29/06 , H04L61/1511 , H04L67/1002 , H04L67/1008 , H04L67/101 , H04L67/1017 , H04L67/1021 , H04L67/1029 , H04L67/1031 , H04L67/1034 , H04L67/327 , H04L69/329
摘要： A platform that may be used to dynamically reallocate resources to support an Internet application is disclosed. In an embodiment, the platform may include two layers of distribution, one at the domain name server (DNS) layer and one at an Internet data center layer. The platform may include a dynamic resource allocation manager that causes instances of applications to be initiated in Internet data centers in response to dynamic conditions and characteristics of the application. A monitoring system module may be provided to keep the dynamic resource allocation manager informed as the health and utilization of instances of the application.
摘要翻译：公开了可用于动态重新分配资源以支持因特网应用的平台。在一个实施例中，平台可以包括两个分发层，一个在域名服务器（DNS）层，一个在因特网数据中心层。该平台可以包括动态资源分配管理器，其响应于应用的动态条件和特性而使应用的实例在互联网数据中心中启动。可以提供监视系统模块以将动态资源分配管理器通知为应用的实例的健康和利用。

9. 发明授权

US07149803B2 Method for content distribution in a network supporting a security protocol 有权
公开(公告)号：US07149803B2
公开(公告)日：2006-12-12
申请号：US09877977
申请日：2001-06-08
申请人： Frederick Douglis , Michael Rabinovich , Aviel D. Rubin , Oliver Spatscheck
发明人： Frederick Douglis , Michael Rabinovich , Aviel D. Rubin , Oliver Spatscheck
IPC分类号： G06F15/16 , G06F3/00 , H04L12/28 , H04L9/00
CPC分类号： H04L63/0442 , H04L63/166
摘要： The present invention is directed to a method of providing content distribution services while minimizing the processing time required for security protocols such as the Secure Sockets Layer.

10. 发明授权

US07444371B2 Method and apparatus for limiting reuse of domain name system response information 有权
标题翻译：限制域名系统响应信息重用的方法和装置
公开(公告)号：US07444371B2
公开(公告)日：2008-10-28
申请号：US10798076
申请日：2004-03-11
申请人： Frederick Douglis , Michael Rabinovich , Oliver Spatscheck
发明人： Frederick Douglis , Michael Rabinovich , Oliver Spatscheck
IPC分类号： G06F15/16 , G06F15/173
CPC分类号： H04L29/12811 , H04L29/12066 , H04L61/1511 , H04L61/6009 , H04L67/1002 , H04L2029/06054
摘要： A method of limiting reuse of domain name information includes the steps of requesting the information by a local domain name server from an authoritative domain name server, and providing this information to a requestor, such as a client or server. The domain name information includes an allowable usage limit that represents a maximum number of times that the information can be provided to the requestor before revalidating the information. A system for limiting reuse of domain name information includes an authoritative domain name server, a local domain name server, and a requestor. The authoritative server provides the information, which includes the allowable usage limit, in response to a request by the local server. The request from the local server may include the number of times that the local server provided the information to one or more requestors as an observed usage.
摘要翻译：一种限制域名信息重用的方法包括以下步骤：从权威域名服务器请求本地域名服务器的信息，并将该信息提供给诸如客户端或服务器的请求者。域名信息包括允许的使用限制，其表示在重新验证信息之前可以向请求者提供信息的最大次数。限制域名信息重用的系统包括权威域名服务器，本地域名服务器和请求者。权威服务器响应本地服务器的请求提供信息，其中包括允许的使用限制。来自本地服务器的请求可以包括本地服务器向一个或多个请求者提供信息作为观察到的使用的次数。

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