WO2011103820A3 - Method and apparatus for network address translation - Google Patents

Method and apparatus for network address translation Download PDF

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Publication number
WO2011103820A3
WO2011103820A3 PCT/CN2011/072863 CN2011072863W WO2011103820A3 WO 2011103820 A3 WO2011103820 A3 WO 2011103820A3 CN 2011072863 W CN2011072863 W CN 2011072863W WO 2011103820 A3 WO2011103820 A3 WO 2011103820A3
Authority
WO
WIPO (PCT)
Prior art keywords
address
data package
source
address translation
source port
Prior art date
Application number
PCT/CN2011/072863
Other languages
French (fr)
Chinese (zh)
Other versions
WO2011103820A2 (en
Inventor
徐靖
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2011/072863 priority Critical patent/WO2011103820A2/en
Priority to CN201180000517.5A priority patent/CN102232288A/en
Publication of WO2011103820A2 publication Critical patent/WO2011103820A2/en
Publication of WO2011103820A3 publication Critical patent/WO2011103820A3/en

Links

Classifications

    • 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

Abstract

The invention relates to a method and an apparatus for Network Address Translation (NAT). The method includes that: a NAT device receives a data package transmitted from an intranet host, parses the data package, obtains a first source Internet Protocol (IP) address, a first source port, a first destination IP address and a first IP data package Identifier (IPID) contained in the data package, performs processing, which includes the steps of translating the first source IP address into a second source IP address and translating the first source port into a second source port, for the first source IP address and the first source port in the data package, performs processing for the first IPID in the data package, and transmits the processed data package according to the first destination IP address. The method and apparatus for network address translation proposed in the invention can modify the IPIDs of messages at the same time when the address translation is performed at the NAT device, and thus ensure that no mistake will occur when a destination device performs message recombination.
PCT/CN2011/072863 2011-04-15 2011-04-15 Method and apparatus for network address translation WO2011103820A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2011/072863 WO2011103820A2 (en) 2011-04-15 2011-04-15 Method and apparatus for network address translation
CN201180000517.5A CN102232288A (en) 2011-04-15 2011-04-15 Method and apparatus for network address translation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2011/072863 WO2011103820A2 (en) 2011-04-15 2011-04-15 Method and apparatus for network address translation

Publications (2)

Publication Number Publication Date
WO2011103820A2 WO2011103820A2 (en) 2011-09-01
WO2011103820A3 true WO2011103820A3 (en) 2012-03-22

Family

ID=44507266

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2011/072863 WO2011103820A2 (en) 2011-04-15 2011-04-15 Method and apparatus for network address translation

Country Status (2)

Country Link
CN (1) CN102232288A (en)
WO (1) WO2011103820A2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9185073B2 (en) * 2011-10-06 2015-11-10 Qualcomm Incorporated Systems and methods for data packet processing
CN106789666B (en) * 2016-11-22 2020-05-08 东软集团股份有限公司 Method and device for determining converted port
CN108259645A (en) * 2018-02-05 2018-07-06 深圳市三旺通信技术有限公司 The method for network address translation of vehicle-mounted utilization is handed over based on rail
CN111953807B (en) * 2020-07-30 2022-02-22 新华三信息安全技术有限公司 Message identifier processing method and device and storage medium
CN114531417B (en) * 2020-10-30 2023-09-22 华为技术有限公司 Communication method and device
CN114205328B (en) * 2021-12-11 2023-06-02 英赛克科技（北京）有限公司 OPC data forwarding method and device
CN115022423A (en) * 2022-06-22 2022-09-06 上海弘积信息科技有限公司 IPv4 identifier distribution method in load balancing equipment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6006272A (en) * 1998-02-23 1999-12-21 Lucent Technologies Inc. Method for network address translation
CN1960316A (en) * 2005-11-04 2007-05-09 华为技术有限公司 Network address conversion method for segmented messages
CN101567852A (en) * 2009-05-20 2009-10-28 中兴通讯股份有限公司 Method and device for switching the network address of IP message

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6006272A (en) * 1998-02-23 1999-12-21 Lucent Technologies Inc. Method for network address translation
CN1960316A (en) * 2005-11-04 2007-05-09 华为技术有限公司 Network address conversion method for segmented messages
CN101567852A (en) * 2009-05-20 2009-10-28 中兴通讯股份有限公司 Method and device for switching the network address of IP message

Also Published As

Publication number Publication date
WO2011103820A2 (en) 2011-09-01
CN102232288A (en) 2011-11-02

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