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    • 1. 发明授权
    • Duplicate private address translating system and duplicate address network system
    • 重复的私有地址转换系统和重复的地址网络系统
    • US07047314B2
    • 2006-05-16
    • US10025892
    • 2001-12-26
    • Yoshikazu SatoKanji HiraokaMasami MoriTakaaki Miyata
    • Yoshikazu SatoKanji HiraokaMasami MoriTakaaki Miyata
    • G06F15/173
    • H04L61/2514H04L29/12009H04L29/12367H04L29/12424H04L29/12783H04L61/2535H04L61/35
    • A plurality of private address spaces where private addresses may possibly overlap are connected with a global address space. Respective private address spaces possess VLAN-IDs as identification information for VLANs. When connecting the respective private address spaces with the Internet, a duplicate network address translating device performs, with VLAN-ID and the private address of the respective private address spaces in pairs, mutual translation between the private address and global address of the Internet. A duplicate addresses-handling server is provided with a routing table which shows the relationship between virtual interfaces corresponding to VLAN-IDs and addresses of the respective private address spaces. A server portion of the duplicate addresses-handling server records, if a request is made from apparatuses of a private address space, the request and VLAN-ID, refers to, if making a response thereto, the routing table, selects a virtual interface which corresponds to the address of the response receiver, and makes a response. A virtual interface processing portion gives an applicable VLAN-ID and carries out an output to a switching hub.
    • 私有地址可能重叠的多个专用地址空间与全局地址空间相连。 相应的私有地址空间具有VLAN-ID作为VLAN的标识信息。 当将各个专用地址空间与因特网连接时,重复的网络地址转换设备将以VLAN-ID和相应私有地址空间的私有地址成对地执行私有地址和Internet全球地址之间的相互转换。 重复的地址处理服务器提供了一个路由表,该路由表显示了对应于VLAN-ID的虚拟接口和相应专用地址空间的地址之间的关系。 重复地址处理服务器的服务器部分如果从专用地址空间的设备发出请求,则记录该请求和VLAN-ID,则如果向路由表作出响应,则选择虚拟接口, 对应于响应接收者的地址,并做出响应。 虚拟接口处理部分给出适用的VLAN-ID,并向交换集线器执行输出。