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1. 发明申请

US20110153719A1 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：US20110153719A1
公开(公告)日：2011-06-23
申请号：US12645006
申请日：2009-12-22
申请人： Mario Santoro , Herani Brotman , Alan L. Glasser , James Miros , Oliver Spatscheck , Jacobus Van der Merwe
发明人： Mario Santoro , Herani Brotman , Alan L. Glasser , James Miros , Oliver Spatscheck , Jacobus Van der Merwe
IPC分类号： G06F15/16
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。

2. 发明授权

US08560598B2 Integrated adaptive anycast for content distribution 有权
公开(公告)号：US08560598B2
公开(公告)日：2013-10-15
申请号：US12645006
申请日：2009-12-22
申请人： Mario Santoro , Herani Brotman , Alan L. Glasser , James Miros , Oliver Spatscheck , Jacobus Van der Merwe
发明人： Mario Santoro , Herani Brotman , Alan L. Glasser , James Miros , Oliver Spatscheck , Jacobus Van der Merwe
IPC分类号： G06F15/16
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.

3. 发明授权

US08856281B2 Internet protocol version 6 content routing 有权
标题翻译： Internet协议版本6内容路由
公开(公告)号：US08856281B2
公开(公告)日：2014-10-07
申请号：US12728911
申请日：2010-03-22
申请人： Jacobus Van der Merwe , Seungjoon Lee , Oliver Spatscheck
发明人： Jacobus Van der Merwe , Seungjoon Lee , Oliver Spatscheck
IPC分类号： G06F15/16 , H04L29/12 , H04L29/08 , H04L25/03
CPC分类号： H04L67/1002 , H04L25/03923 , H04L29/12066 , H04L61/1511 , H04L61/6059 , H04L67/1008 , H04L67/101 , H04L67/1017 , H04L67/2842 , H04L67/288 , H04L67/327 , H04L67/42
摘要： A content delivery system includes a cache server, a domain name server, and a redirector. The domain name server is configured to receive a request for a cache server address, and provide an IPv6 anycast address. The redirector is configured to receive a content request addressed to the IPv6 anycast address from a client system, receive load information from the cache server, and determine if the cache server is available. The redirector is further configured to forward the content request to the cache server when the cache server is available. The cache server is configured to receive the content request forwarded from the redirectors, send a response to the content request to a client system, the response including an IPv6 unicast address of the cache server as a source address, an IPv6 unicast address of the client system as a destination address, and the IPv6 anycast address as a home address, and provide the content to the requestor.
摘要翻译：内容传送系统包括缓存服务器，域名服务器和重定向器。域名服务器配置为接收缓存服务器地址请求，并提供IPv6任播地址。重定向器被配置为从客户端系统接收寻址到IPv6任播地址的内容请求，从缓存服务器接收负载信息，并确定缓存服务器是否可用。重定向器还被配置为当缓存服务器可用时将内容请求转发到缓存服务器。缓存服务器被配置为接收从重定向器转发的内容请求，向客户端系统发送对内容请求的响应，响应包括作为源地址的缓存服务器的IPv6单播地址，客户端的IPv6单播地址系统作为目的地地址，将IPv6任播地址作为家庭地址，并向请求者提供内容。

4. 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.

5. 发明授权

US08205253B2 System and method for avoiding and mitigating a DDoS attack 有权
标题翻译：避免和减轻DDoS攻击的系统和方法
公开(公告)号：US08205253B2
公开(公告)日：2012-06-19
申请号：US12854331
申请日：2010-08-11
申请人： Oliver Spatscheck , Jacobus Van der Merwe
发明人： Oliver Spatscheck , Jacobus Van der Merwe
IPC分类号： H04L29/06
CPC分类号： H04L63/1458
摘要： Described is a system and method for receiving a data packet including a destination address and a source address, the data packet corresponding to a port number, assigning an address risk value for the data packet based on the source address and a port risk value for the data packet based on the port number. The data packet is categorized into a community based on the source address, wherein the community is predefined by a user corresponding to the destination address, the community includes a utility value. The address risk value and the port risk value are compared to the utility value to yield a benefit coefficient and the data packet is treated based on the benefit coefficient.
摘要翻译：描述了一种用于接收包括目的地地址和源地址的数据分组的系统和方法，对应于端口号的数据分组，基于源地址为数据分组分配地址风险值，并为基于端口号的数据包。基于源地址将数据分组分类为社区，其中社区由对应于目的地地址的用户预定义，社区包括效用值。将地址风险值和端口风险值与效用值进行比较，得到有益系数，并根据效益系数对数据包进行处理。

6. 发明申请

US20110231475A1 Internet Protocol Version 6 Content Routing 有权
标题翻译：互联网协议版本6内容路由
公开(公告)号：US20110231475A1
公开(公告)日：2011-09-22
申请号：US12728911
申请日：2010-03-22
申请人： Jacobus Van der Merwe , Seungjoon Lee , Oliver Spatscheck
发明人： Jacobus Van der Merwe , Seungjoon Lee , Oliver Spatscheck
IPC分类号： G06F15/16 , G06F15/173
CPC分类号： H04L67/1002 , H04L25/03923 , H04L29/12066 , H04L61/1511 , H04L61/6059 , H04L67/1008 , H04L67/101 , H04L67/1017 , H04L67/2842 , H04L67/288 , H04L67/327 , H04L67/42
摘要： A content delivery system includes a cache server, a domain name server, and a redirector. The domain name server is configured to receive a request for a cache server address, and provide an IPv6 anycast address. The redirector is configured to receive a content request addressed to the IPv6 anycast address from a client system, receive load information from the cache server, and determine if the cache server is available. The redirector is further configured to forward the content request to the cache server when the cache server is available. The cache server is configured to receive the content request forwarded from the redirectors, send a response to the content request to a client system, the response including an IPv6 unicast address of the cache server as a source address, an IPv6 unicast address of the client system as a destination address, and the IPv6 anycast address as a home address, and provide the content to the requestor.
摘要翻译：内容传送系统包括缓存服务器，域名服务器和重定向器。域名服务器配置为接收缓存服务器地址请求，并提供IPv6任播地址。重定向器被配置为从客户端系统接收寻址到IPv6任播地址的内容请求，从缓存服务器接收负载信息，并确定缓存服务器是否可用。重定向器还被配置为当缓存服务器可用时将内容请求转发到缓存服务器。缓存服务器被配置为接收从重定向器转发的内容请求，向客户端系统发送对内容请求的响应，响应包括作为源地址的缓存服务器的IPv6单播地址，客户端的IPv6单播地址系统作为目的地地址，将IPv6任播地址作为家庭地址，并向请求者提供内容。

7. 发明申请

US20110214177A1 System and Method for Avoiding and Mitigating a DDoS Attack 有权
标题翻译：避免和减轻DDoS攻击的系统和方法
公开(公告)号：US20110214177A1
公开(公告)日：2011-09-01
申请号：US12854331
申请日：2010-08-11
申请人： Oliver Spatscheck , Jacobus Van der Merwe
发明人： Oliver Spatscheck , Jacobus Van der Merwe
IPC分类号： G06F21/00 , G06F15/16
CPC分类号： H04L63/1458
摘要： Described is a system and method for receiving a data packet including a destination address and a source address, the data packet corresponding to a port number, assigning an address risk value for the data packet based on the source address and a port risk value for the data packet based on the port number. The data packet is categorized into a community based on the source address, wherein the community is predefined by a user corresponding to the destination address, the community includes a utility value. The address risk value and the port risk value are compared to the utility value to yield a benefit coefficient and the data packet is treated based on the benefit coefficient.
摘要翻译：描述了一种用于接收包括目的地地址和源地址的数据分组的系统和方法，与端口号相对应的数据分组，基于源地址为数据分组分配地址风险值，并为基于端口号的数据包。基于源地址将数据分组分类为社区，其中社区由对应于目的地地址的用户预定义，社区包括效用值。将地址风险值和端口风险值与效用值进行比较，得到有益系数，并根据效益系数对数据包进行处理。

8. 发明申请

US20100153802A1 System and Method for Anycast Transport Optimization 审中-公开
标题翻译：无线传输优化的系统和方法
公开(公告)号：US20100153802A1
公开(公告)日：2010-06-17
申请号：US12335293
申请日：2008-12-15
申请人： Jacobus Van der Merwe , Oliver Spatscheck , Seungjoon Lee
发明人： Jacobus Van der Merwe , Oliver Spatscheck , Seungjoon Lee
IPC分类号： G06F15/16 , H04L1/18 , G06F11/14
CPC分类号： H04L12/1868 , H04L12/1881 , H04L12/1886 , H04L41/509 , H04L67/1002 , H04L67/101 , H04L67/28 , H04L67/2838
摘要： A system includes first, second, and third content servers, and an edge server. The first, second, and third content servers each are configured to cache content. The edge server is in communication with the first, second, and third content servers. The edge server is configured to receive a content request, and to request different portions of the content from each of the first, second, and third content servers based on a network cost of each of the first, second, and third content servers.
摘要翻译：系统包括第一，第二和第三内容服务器和边缘服务器。第一，第二和第三内容服务器被配置为缓存内容。边缘服务器与第一，第二和第三内容服务器通信。边缘服务器被配置为基于第一，第二和第三内容服务器中的每一个的网络成本来接收内容请求，并且从第一内容服务器，第二内容服务器和第三内容服务器中的每一个请求不同部分内容。

9. 发明授权

US07797738B1 System and method for avoiding and mitigating a DDoS attack 有权
标题翻译：避免和减轻DDoS攻击的系统和方法
公开(公告)号：US07797738B1
公开(公告)日：2010-09-14
申请号：US11304147
申请日：2005-12-14
申请人： Oliver Spatscheck , Jacobus Van der Merwe
发明人： Oliver Spatscheck , Jacobus Van der Merwe
IPC分类号： G06F21/20
CPC分类号： H04L63/1458
摘要： Described is a system and method for receiving a data packet including a destination address and a source address, the data packet corresponding to a port number, assigning an address risk value for the data packet based on the source address and a port risk value for the data packet based on the port number. The data packet is categorized into a community based on the source address, wherein the community is predefined by a user corresponding to the destination address, the community includes a utility value. The address risk value and the port risk value are compared to the utility value to yield a benefit coefficient and the data packet is treated based on the benefit coefficient.
摘要翻译：描述了一种用于接收包括目的地地址和源地址的数据分组的系统和方法，对应于端口号的数据分组，基于源地址为数据分组分配地址风险值，并为基于端口号的数据包。基于源地址将数据分组分类为社区，其中社区由对应于目的地地址的用户预定义，社区包括效用值。将地址风险值和端口风险值与效用值进行比较，得到有益系数，并根据效益系数对数据包进行处理。

10. 发明授权

US09450804B2 Anycast aware transport for content distribution networks 有权
标题翻译：内容分发网络的任播感知传输
公开(公告)号：US09450804B2
公开(公告)日：2016-09-20
申请号：US12553769
申请日：2009-09-03
申请人： Jacobus Van der Merwe , Zakaria Al-Qudah , Seungjoon Lee , Michael Boris Rabinovich , Oliver Spatscheck
发明人： Jacobus Van der Merwe , Zakaria Al-Qudah , Seungjoon Lee , Michael Boris Rabinovich , Oliver Spatscheck
IPC分类号： G06F15/173 , G06F15/16 , H04L29/08
CPC分类号： H04L67/2847 , H04L1/08 , H04L29/08729 , H04L45/16 , H04L47/12 , H04L67/1002 , H04L67/1021
摘要： A system for providing content includes a plurality of content delivery servers and a routing control module. Each of the content delivery servers is configured to receive a first request from a client system sent to an anycast IP address for the content, and to provide a first portion of the content to the client system. Each of the content delivery servers is further configured to receive a second request from the client system sent to the anycast IP address for a second portion of the content, and to provide the second portion of the content to the client system. The routing control module is configured to modify the routing of the anycast address from a first content delivery server to a second content delivery server.
摘要翻译：用于提供内容的系统包括多个内容传递服务器和路由控制模块。每个内容递送服务器被配置为从发送到内容的任播IP地址的客户端系统接收第一请求，并且向客户端系统提供内容的第一部分。每个内容递送服务器还被配置为从第二部分的内容接收从发送到任播IP地址的客户端系统的第二部分的内容的第二请求，并将内容的第二部分提供给客户端系统。路由控制模块被配置为修改任播地址从第一内容递送服务器到第二内容递送服务器的路由。

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