TIA-1116-2010 Mobile IPv4 Enhancements《移动IPv4增强》.pdf

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22、GPP2 X.S0044-0 v1.0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 i Document Title: Mobile IPv4 Enhancements CONTENTS 1 Introduction1 1.1 Scope1 2 References2 2.1 Normative Re

23、ferences2 2.2 Informative References2 3 Definitions, Symbols and Abbreviations3 3.1 Definitions .3 3.2 Symbols and Abbreviations .3 4 General Requirements and Backward Compatibility .5 5 MIP4 Key Derivation.6 5.1 MN-AAA Key and associated SPI.6 5.2 MN-HA key and associated SPI 6 6 MS Requirements.8

24、7 PDSN Requirements 9 8 AAA Requirements10 9 HA Requirements.11 10 Allocation of Home Agent in Visited Network12 10.1 Dynamic MIP4 HA Assignment in the Visited Network using RADIUS .12 11 FA-HA Mobility Security Association.14 11.1 Call Flow Example for Using RADIUS to Distribute FA-HA MSA.15 12 AAA

25、 VSAs and Version Capability Extensions 18 12.1 RADIUS VSAs18 12.1.1 MIP4-HA-Local-Assignment-Capability 18 12.1.2 HA-Realm19 12.1.3 FA-HA-MSA-Request.19 12.1.4 FA-HA-MSA.20 12.1.5 MIP4-Enhancements-Support20 12.2 Version Capability Extension 21 3GPP2 X.S0044-0 v1.0 1 2 3 4 5 6 7 8 9 10 11 12 13 14

26、15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 ii LIST OF FIGURES Figure 1 Dynamic Allocation of an HA in a Visited Network Using RADIUS Protocol .12 Figure 2 HA assignment by VAAA in Visited Network A and han

27、doff to Visited Network B if RADIUS is used to distribute FA-HA MSA16 Figure 3 MIP4-HA-Local-Assignment-Capability VSA.18 Figure 4 HA-Realm VSA19 Figure 5 FA-HA-MSA-Request VSA .19 Figure 6 FA-HA-MSA VSA .20 Figure 7 MIP4-Enhancemnts-Support VSA20 3GPP2 X.S0044-0 v1.0 1 2 3 4 5 6 7 8 9 10 11 12 13 1

28、4 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 iii LIST OF TABLES Table 1 VSA Cross Reference.18 Table 2 List of PDSN Capabilities.21 3GPP2 X.S0044-0 v1.0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 2

29、1 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 iv FOREWORD (This foreword is not part of this Standard.) This document was prepared by 3GPP2 TSG-X. This document is a new specification. This document contains enhancements to X.S

30、0011-D and later versions for the ability to dynamically allocate a Mobile IPv4 Home Agent in a visited network. This document supplements the functionality as specified in X.S0011-D and later versions and supersedes those documents where indicated. The protocols used to implement this functionality

31、 are defined by several IETF RFCs as listed in the References section. This document ties together the use of those protocols in a cdma2000 network to accomplish the functionality needed to allocate a Home Agent in a visited network to an MS. This document is subject to change following formal appro

32、val. Should this document be modified, it will be re-released with a change of release date and an identifying change in version number as follows: X.S0044-X-n where: X an uppercase numerical or alphabetic character A, B, C, that represents the revision level. n a numeric string 1, 2, 3, that indica

33、tes a point release level. This document uses the following conventions: “Shall” and “shall not” identify requirements to be followed strictly to conform to this document and from which no deviation is permitted. “Should” and “should not” indicate that one of several possibilities is recommended as

34、particularly suitable, without mentioning or excluding others, that a certain course of action is preferred but not necessarily required, or that (in the negative form) a certain possibility or course of action is discouraged but not prohibited. “May” and “need not” indicate a course of action permi

35、ssible within the limits of the document. “Can” and “cannot” are used for statements of possibility and capability, whether material, physical or causal. 3GPP2 X.S0044-0 v1.0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45

36、 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 1 1 Introduction X.S0011-D 2 describes how a Mobile IPv4 MS can request and be granted or denied the dynamic allocation of a Home Agent in its home network. This document describes the following aspects of this functionality. 1. How the MS can indicate i

37、ts willingness to accept a Home Agent in the visited network 2. How the visited network signals its willingness (or not) to allocate a Home Agent 3. How the MS users home network signals its willingness (or not) to allow visited network allocation of a Home Agent 4. How the keys needed to establish

38、a security association between the MS and visited network Home Agent are derived and distributed This document describes methods for the dynamic allocation of a Home Agent in a visited network using RADIUS 1. This document does not define Diameter based protocols. Chapter 2, section 4 of 2 specifies

39、 the use of Mobile IPv4 by an MS and the interactions/interfaces between the MS, PDSN and other elements of the access network involved in the establishment of a Mobile IPv4 session. The same method used for allocating a Home Agent in a visited network is also applicable for allocating a Home Agent

40、in an MS users home network. Implementations of Mobile IPv4 Enhancements presented in this document are expected to conform to the RFCs referenced in this document with any extensions or limitations as given in this document. 1.1 Scope This document provides additional functionality to the functiona

41、lity specified in 2 and later versions. It supports the allocation of a Home Agent in a visited network when a user is operating in a network that is not its home network. 3GPP2 X.S0044-0 v1.0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39

42、 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 2 2 References 2.1 Normative References The following standards contain provisions which, through reference in this text, constitute provisions of this Specification. At the time of publication, the editions indicated were valid. All st

43、andards are subject to revision, and parties to agreements based on this Standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. References are either specific (identified by date of publication, edition number, version number, et

44、c.) or non-specific. For a specific reference, subsequent revisions do not apply. For non-specific reference, the latest version applies. In the case of a reference to a 3GPP2 document, a non-specific reference implicitly refers to the latest version of that document in the same Release as the prese

45、nt document. 1 IETF: RFC 2865; C. Rigney, Remote Authentication Dial In User Service (RADIUS), June 2000. 2 3GPP2: X.S0011-D v2.0; cdma2000 Wireless IP Network Standard, October 2008. 3 IETF: RFC 5295: J. Salowey, et. al., Specification for the Derivation of Root Keys from an Extended Master Session

46、 Key (EMSK), August 2008. 4 National Institute of Standards and Technology: “Secure Hash Standard”, FIPS 180-2, With Change Notice 1 dated February 2004, August 2002. 5 IETF: RFC 2002; Perkins, IPv4 Mobility, May 1995. 6 3GPP2: X.S0028-200; Access to Operator Service and Mobility for WLAN Interworki

47、ng. 2.2 Informative References There is no informative reference specified in this document. 3GPP2 X.S0044-0 v1.0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 3 3 Definitions

48、, Symbols and Abbreviations This section contains definitions, symbols and abbreviations that are used throughout the document. 3.1 Definitions Home Network A mobile stations home network is the network owned by the operator with whom the mobile station user has a business relationship via a service

49、 subscription. Visited Network A visited network is a network with a coverage area which includes the current location of a mobile station, and that network is not the mobile stations home network. A visited network may or may not provide service to the mobile station depending on the business relationship between the users home network and the visited network, as well as the mobile stations (and its user) authentication and authorization status. Serving Network The serving network can be the home network or the v