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    • 10. 发明授权
    • Technique of processing network traffic that has been sent on a tunnel
    • 处理在隧道上发送的网络流量的技术
    • US09204336B2
    • 2015-12-01
    • US13817186
    • 2010-08-17
    • Attila MihályAndrás CsászárLars Westberg
    • Attila MihályAndrás CsászárLars Westberg
    • H04L12/46H04L29/12H04W28/06H04W8/08
    • H04W28/065H04L12/4633H04L29/12367H04L29/12462H04L61/2514H04L61/255H04W8/082
    • A technique of processing network traffic that is sent on a tunnel between a first tunnel and a second tunnel node in a communication network is provided. A device implementation of this technique comprises an enhanced network address translation, eNAT, component (10) comprising a first obtaining unit (14) configured to obtain an uplink data packet (26) from an uplink tunnel from the first tunnel node to the second tunnel node, the uplink data packet comprising a first network address associated with the first tunnel node, a second network address associated with the second tunnel node, a first identifier associated with the uplink tunnel an internal network address, and an internal port number, a second obtaining unit (16) configured to obtain a second identifier associated with a downlink tunnel from the second tunnel node to the first tunnel node, wherein the downlink tunnel is related to the uplink tunnel, a checking unit (18) configured to check, based on the second network address and the first identifier, whether a database entry comprising the second network address and the first identifier exists in a database (12), an updating unit (20) configured to update the database (12) in case the checked database entry does not exist in the database (12), and a manipulating unit (22) configured to manipulate the uplink data packet (26).
    • 提供了一种处理在通信网络中的第一隧道和第二隧道节点之间的隧道上发送的网络流量的技术。 该技术的设备实现包括增强的网络地址转换,eNAT,组件(10),包括第一获取单元(14),第一获取单元(14)被配置为从第一隧道节点到第二隧道的上行链路隧道获取上行链路数据分组(26) 节点,所述上行链路数据分组包括与所述第一隧道节点相关联的第一网络地址,与所述第二隧道节点相关联的第二网络地址,与所述上行链路隧道相关联的第一标识符,内部网络地址,以及内部端口号,第二 获取单元(16),被配置为获得与从所述第二隧道节点到所述第一隧道节点的下行链路隧道相关联的第二标识符,其中所述下行链路隧道与所述上行链路隧道相关;检查单元(18),被配置为基于 第二网络地址和第一标识符,包括第二网络地址的数据库条目和第一标识符是否存在于数据库(12)中,更新 单元(20),被配置为在数据库(12)中不存在所检查的数据库条目的情况下更新数据库(12);以及操纵单元(22),其被配置为操纵上行链路数据分组(26)。