WO2016202269A3 - 数据报文转发 - Google Patents

数据报文转发 Download PDF

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Publication number
WO2016202269A3
WO2016202269A3 PCT/CN2016/085967 CN2016085967W WO2016202269A3 WO 2016202269 A3 WO2016202269 A3 WO 2016202269A3 CN 2016085967 W CN2016085967 W CN 2016085967W WO 2016202269 A3 WO2016202269 A3 WO 2016202269A3
Authority
WO
WIPO (PCT)
Prior art keywords
address
data packet
mapping relations
nat
target
Prior art date
Application number
PCT/CN2016/085967
Other languages
English (en)
French (fr)
Other versions
WO2016202269A2 (zh
Inventor
黄李伟
王伟
Original Assignee
杭州华三通信技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 杭州华三通信技术有限公司 filed Critical 杭州华三通信技术有限公司
Priority to EP16811010.4A priority Critical patent/EP3313025B1/en
Priority to US15/578,140 priority patent/US10476795B2/en
Priority to JP2017565823A priority patent/JP6514372B2/ja
Publication of WO2016202269A2 publication Critical patent/WO2016202269A2/zh
Publication of WO2016202269A3 publication Critical patent/WO2016202269A3/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/74—Address processing for routing
    • H04L45/745—Address table lookup; Address filtering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H04L12/4633—Interconnection of networks using encapsulation techniques, e.g. tunneling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/12—Discovery or management of network topologies
    • H04L41/122—Discovery or management of network topologies of virtualised topologies, e.g. software-defined networks [SDN] or network function virtualisation [NFV]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/34—Signalling channels for network management communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/09—Mapping addresses
    • H04L61/25—Mapping addresses of the same type
    • H04L61/2503—Translation of Internet protocol [IP] addresses
    • H04L61/2514—Translation of Internet protocol [IP] addresses between local and global IP addresses
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/09—Mapping addresses
    • H04L61/25—Mapping addresses of the same type
    • H04L61/2503—Translation of Internet protocol [IP] addresses
    • H04L61/256—NAT traversal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/09—Mapping addresses
    • H04L61/25—Mapping addresses of the same type
    • H04L61/2503—Translation of Internet protocol [IP] addresses
    • H04L61/256—NAT traversal
    • H04L61/2582—NAT traversal through control of the NAT server, e.g. using universal plug and play [UPnP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/09—Mapping addresses
    • H04L61/25—Mapping addresses of the same type
    • H04L61/2503—Translation of Internet protocol [IP] addresses
    • H04L61/2592—Translation of Internet protocol [IP] addresses using tunnelling or encapsulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/50—Address allocation
    • H04L61/5007—Internet protocol [IP] addresses
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H04L12/4604—LAN interconnection over a backbone network, e.g. Internet, Frame Relay
    • H04L2012/4629—LAN interconnection over a backbone network, e.g. Internet, Frame Relay using multilayer switching, e.g. layer 3 switching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/12—Discovery or management of network topologies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/34—Signalling channels for network management communication
    • H04L41/342—Signalling channels for network management communication between virtual entities, e.g. orchestrators, SDN or NFV entities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/40—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks using virtualisation of network functions or resources, e.g. SDN or NFV entities

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Small-Scale Networks (AREA)

Abstract

SDN控制器获取并存储各SDN中的主机的私网地址和公网地址的网络地址转换NAT映射关系；接收来自虚拟可扩展局域网隧道端点VTEP设备针对数据报文的流表请求，当确定对所述数据报文进行跨SDN转发时，根据所述数据报文的目的因特网协议IP地址查找NAT映射关系；根据查找到的目的IP地址对应的NAT映射关系和网络拓扑信息生成转发所述数据报文的流表并下发给所述VTEP设备，其中，所述流表包括针对源IP地址进行NAT处理指令和封装信息，所述封装信息中的目的IP地址为查找到的NAT映射关系中的公网地址。
PCT/CN2016/085967 2015-06-18 2016-06-16 数据报文转发 WO2016202269A2 (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP16811010.4A EP3313025B1 (en) 2015-06-18 2016-06-16 Data packet forwarding
US15/578,140 US10476795B2 (en) 2015-06-18 2016-06-16 Data packet forwarding
JP2017565823A JP6514372B2 (ja) 2015-06-18 2016-06-16 データパケット転送

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510340312.1 2015-06-18
CN201510340312.1A CN106330649B (zh) 2015-06-18 2015-06-18 一种跨软件定义网络的数据报文转发方法和装置

Publications (2)

Publication Number Publication Date
WO2016202269A2 WO2016202269A2 (zh) 2016-12-22
WO2016202269A3 true WO2016202269A3 (zh) 2017-02-09

Family

ID=57545074

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2016/085967 WO2016202269A2 (zh) 2015-06-18 2016-06-16 数据报文转发

Country Status (5)

Country Link
US (1) US10476795B2 (zh)
EP (1) EP3313025B1 (zh)
JP (1) JP6514372B2 (zh)
CN (1) CN106330649B (zh)
WO (1) WO2016202269A2 (zh)

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Also Published As

Publication number Publication date
WO2016202269A2 (zh) 2016-12-22
EP3313025B1 (en) 2022-03-23
EP3313025A4 (en) 2018-04-25
US20180167320A1 (en) 2018-06-14
JP6514372B2 (ja) 2019-05-15
EP3313025A2 (en) 2018-04-25
CN106330649B (zh) 2019-08-02
US10476795B2 (en) 2019-11-12
CN106330649A (zh) 2017-01-11
JP2018518124A (ja) 2018-07-05

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