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    • 2. 发明授权
    • Multi-autonomous system anycast content delivery network
    • 多自治系统任播内容传送网络
    • US08607014B2
    • 2013-12-10
    • US12645000
    • 2009-12-22
    • Oliver SpatscheckZakaria Al-QudahSeunjoon LeeMichael RabinovichJacobus Van der Merwe
    • Oliver SpatscheckZakaria Al-QudahSeunjoon LeeMichael RabinovichJacobus Van der Merwe
    • G06F12/00G06F13/00G06F13/28G06F15/173G06F15/16
    • G06F9/5083H04L67/1004H04L67/1008H04L67/1031
    • 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.
    • 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。
    • 4. 发明授权
    • System and method to detect and mitigate distributed denial of service attacks using random internet protocol hopping
    • 使用随机互联网协议跳频来检测和减轻分布式拒绝服务攻击的系统和方法
    • US08566465B2
    • 2013-10-22
    • US12884976
    • 2010-09-17
    • Gang XuGustavo de los ReyesThusitha JayawardenaXiao Pan
    • Gang XuGustavo de los ReyesThusitha JayawardenaXiao Pan
    • G06F15/173
    • H04L63/0281H04L63/1458H04L63/1466H04L67/141H04L67/2814
    • A method includes sending a first redirect instruction to a first client in response to a first session request received at a service address, and establishing a first session with the first client in response to a second session request received at the first redirect address indicated by the first redirect instruction. Additionally, the method includes determining a first service interval has passed, and sending a second redirect instruction to a second client in response to a third session request received at the service address after the first service interval has passed. The method still further includes establishing a second session with the second client in response to the fourth session request received at the second redirect address indicated by the second redirect instruction after the first service interval has passed, and rejecting the fifth session request received from a third client at the first redirect address after the first service interval has passed.
    • 一种方法包括响应于在服务地址处接收到的第一会话请求向第一客户端发送第一重定向指令,以及响应于在由所述第一重定向地址指示的第一重定向地址接收到的第二会话请求,建立与第一客户端的第一会话 第一个重定向指令。 此外,该方法包括确定已经过去的第一服务间隔,并且响应于在经过第一服务间隔之后在服务地址处接收的第三会话请求,向第二客户端发送第二重定向指令。 该方法还包括响应于在第一服务间隔已经过去之后由第二重定向指令指示的第二重定向地址处接收到的第四会话请求,建立与第二客户端的第二会话,并且拒绝从第三客户端接收到的第五会话请求 客户端在第一个服务间隔之后的第一个重定向地址。
    • 6. 发明授权
    • System and method to manage problems with network-based services
    • 用于管理基于网络的服务问题的系统和方法
    • US08555113B2
    • 2013-10-08
    • US13571549
    • 2012-08-10
    • James FanJennifer K. Lam
    • James FanJennifer K. Lam
    • G06F11/00
    • G06F11/079G06F11/0748
    • A method includes receiving a problem report from a customer via an access interface of a plurality of access interfaces at a first horizontal layer of a problem management system, wherein the problem report indicates that the customer is having a problem with one of the network-based services, receiving a request from the customer for self-service problem resolution via the access interface, identifying a workflow related to the problem, obtaining the workflow from a second layer of the problem management system, providing a diagnostic tool to the customer via the access interface, according to the workflow, and providing the diagnostic tool to an agent via another access interface after the customer contacts the agent.
    • 一种方法包括经由问题管理系统的第一水平层上的多个访问接口的访问接口从客户接收问题报告,其中,问题报告指示客户与基于网络的一个有问题 服务,通过访问接口接收来自客户的用于自助服务问题解决的请求,识别与问题相关的工作流程,从问题管理系统的第二层获取工作流程,通过访问向客户提供诊断工具 接口,并根据客户联系代理,通过另一个访问接口向诊断工具提供诊断工具。