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1. 发明授权

US06731598B1 Virtual IP framework and interfacing method 有权
标题翻译：虚拟IP框架和接口方法
公开(公告)号：US06731598B1
公开(公告)日：2004-05-04
申请号：US09675035
申请日：2000-09-28
申请人： André Béliveau , Per Andersson , Anders Franzen , Lars Hennert
发明人： André Béliveau , Per Andersson , Anders Franzen , Lars Hennert
IPC分类号： G01R3108
CPC分类号： H04L29/12009 , H04L29/12047 , H04L61/15 , H04L67/1008 , H04L67/1017 , H04L67/1029 , H04L67/1031 , H04L67/1034
摘要： An interfacing method and Virtual Internet Protocol (VIP) Framework that provides high fault tolerance and linear scalability of servers and network interfaces. The Framework has minimal impact on the surrounding network infrastructure. The preferred embodiment operates at the IP level, thus enabling the Framework to operate with any application that runs on top of IP. Incoming data packets and packet fragments are received from the Internet in a plurality of network terminations. Routing processes provide external routers with addresses of the network terminations. Each network termination is associated with one of a plurality of forwarding processes, and each forwarding process is connected to a plurality of fragmenter/de-fragmenters. Each forwarding process selects a single fragmenter/de-fragmenter to receive all of the incoming data packets and packet fragments having a common source address. The incoming packets and packet fragments are then sent to the selected fragmenter/de-fragmenter where they are reassembled if necessary. The selected fragmenter/de-fragmenter identifies a valid application server and sends the reassembled incoming data packets to the identified server. Servers with outgoing messages select a fragmenter/de-fragmenter which fragments the data packets if required, and uses the routing process to select a forwarding process to route the packets and fragments to a network termination and the Internet.
摘要翻译：一种接口方法和虚拟互联网协议（VIP）框架，提供服务器和网络接口的高容错能力和线性可扩展性。该框架对周边网络基础设施的影响最小。优选实施例在IP级别上运行，从而使框架能够与在IP上运行的任何应用程序一起运行。在多个网络终端中从因特网接收进入的数据分组和分组分片。路由进程为外部路由器提供网络终端的地址。每个网络终端与多个转发过程中的一个相关联，并且每个转发过程连接到多个分片/分片。每个转发过程选择单个分片/分片机来接收具有公共源地址的所有输入数据分组和分组片段。然后将传入的分组和分组片段发送到所选的分片/分片，在必要时重新组合它们。所选的分段/分段分片器识别有效的应用服务器，并将重新组合的传入数据分组发送到所识别的服务器。具有传出消息的服务器根据需要选择分片/分片，分片数据包，并使用路由进程选择转发过程，将数据包和片段路由到网络终端和Internet。

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