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ETSI TS 144 065-2016 Digital cellular telecommunications system (Phase 2+) Mobile Station (MS) - Serving GPRS Support Node (SGSN) Subnetwork Dependent Convergence Protocol (SNDCP) .pdf

1、 ETSI TS 1Digital cellular telecoMobile Station (MS) - SSubnetwork Depende(3GPP TS 44.0TECHNICAL SPECIFICATION144 065 V13.0.0 (2016communications system (PhaServing GPRS Support Nodedent Convergence Protocol (S.065 version 13.0.0 Release 13GLOBAL SYSTEMOBILE COMMUN16-01) hase 2+); de (SGSN); NDCP) 1

2、3) TEM FOR ICATIONSRETSI ETSI TS 144 065 V13.0.0 (2016-01)13GPP TS 44.065 version 13.0.0 Release 13Reference RTS/TSGC-0144065vd00 Keywords GSM ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Asso

3、ciation but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice The present document can be downloaded from: http:/www.etsi.org/standards-search The present document may be made available in electronic versions and/or in print. The content of any electronic and/or pri

4、nt versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any existing or perceived difference in contents between such versions and/or in print, the only prevailing document is the print of the Portable Document Format (PDF) version kept o

5、n a specific network drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at http:/portal.etsi.org/tb/status/status.asp If you fin

6、d errors in the present document, please send your comment to one of the following services: https:/portal.etsi.org/People/CommiteeSupportStaff.aspx Copyright Notification No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfil

7、m except as authorized by written permission of ETSI. The content of the PDF version shall not be modified without the written authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2016. All rights rese

8、rved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members. 3GPPTM and LTE are Trade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and owned by

9、 the GSM Association. ETSI ETSI TS 144 065 V13.0.0 (2016-01)23GPP TS 44.065 version 13.0.0 Release 13Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly av

10、ailable for ETSI members and non-members, and can be found in ETSI SR 000 314: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web se

11、rver (https:/ipr.etsi.org/). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may bec

12、ome, essential to the present document. Foreword This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP). The present document may refer to technical specifications or reports using their 3GPP identities, UMTS identities or GSM identities. These should b

13、e interpreted as being references to the corresponding ETSI deliverables. The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under http:/webapp.etsi.org/key/queryform.asp. Modal verbs terminology In the present document “shall“, “shall not“, “should“, “should not“, “may“, “

14、need not“, “will“, “will not“, “can“ and “cannot“ are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT allowed in ETSI deliverables except when used in direct citation. ETSI ETSI TS 144 065 V13.0.0

15、(2016-01)33GPP TS 44.065 version 13.0.0 Release 13Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 6g31 Scope 7g32 References 7g33 Definitions and abbreviations . 8g33.1 Definitions 8g33.2 Abbreviations . 9g34 General . 9g35 Service primitives and function

16、s 11g35.1 Service primitives . 11g35.1.1 SNDCP service primitives 11g35.1.1.1 SN-DATA.request . 12g35.1.1.2 SN-DATA.indication 12g35.1.1.3 SN-UNITDATA.request . 12g35.1.1.4 SN-UNITDATA.indication . 12g35.1.1.5 SN-XID.request . 12g35.1.1.6 SN-XID.indication 12g35.1.1.7 SN-XID.response 12g35.1.1.8 SN-

17、XID.confirm . 12g35.1.2 Service primitives used by SNDCP layer . 12g35.1.2.1 LL-RESET.indication . 13g35.1.2.2 LL-ESTABLISH.request 14g35.1.2.3 LL-ESTABLISH.indication 14g35.1.2.4 LL-ESTABLISH.response 14g35.1.2.5 LL-ESTABLISH.confirm . 14g35.1.2.6 LL-RELEASE.request 14g35.1.2.7 LL-RELEASE.indicatio

18、n 14g35.1.2.8 LL-RELEASE.confirm . 15g35.1.2.9 LL-XID.request . 15g35.1.2.10 LL-XID.indication 15g35.1.2.11 LL-XID.response 15g35.1.2.12 LL-XID.confirm 15g35.1.2.13 LL-DATA.request . 15g35.1.2.14 LL-DATA.indication 15g35.1.2.15 LL-DATA.confirm 15g35.1.2.16 LL-UNITDATA.request . 15g35.1.2.17 LL-UNITD

19、ATA.indication . 16g35.1.2.18 LL-STATUS.indication 16g35.1.2.19 SNSM-ACTIVATE.indication 16g35.1.2.20 SNSM-ACTIVATE.response 16g35.1.2.21 SNSM-DEACTIVATE.indication 16g35.1.2.22 SNSM-DEACTIVATE.response 16g35.1.2.23 SNSM-MODIFY.indication 16g35.1.2.24 SNSM-MODIFY.response 17g35.1.2.25 SNSM-STATUS.re

20、quest. 17g35.1.2.26 SNSM-SEQUENCE.indication . 17g35.1.2.27 SNSM-SEQUENCE.response . 18g35.1.2.28 SNSM-STOP-ASSIGN.indication 18g35.2 Service functions 18g3ETSI ETSI TS 144 065 V13.0.0 (2016-01)43GPP TS 44.065 version 13.0.0 Release 136 Protocol functions 20g36.1 Multiplexing of N-PDUs 20g36.2 Estab

21、lishment and release of acknowledged peer-to-peer LLC operation . 20g36.2.1 Establishment of acknowledged peer-to-peer LLC operation . 20g36.2.1.1 Establishment criteria 20g36.2.1.2 Re-establishment of the acknowledged peer-to-peer LLC operation 21g36.2.1.3 Establishment procedure . 21g36.2.1.4 Exce

22、ptional situations . 22g36.2.2 Release of acknowledged peer-to-peer LLC operation . 22g36.2.2.1 Release criteria 22g36.2.2.2 Release procedure . 23g36.2.2.3 Release initiated by the LLC layer 23g36.3 N-PDU buffering 23g36.4 Management of delivery sequence . 23g36.5 Protocol control information compr

23、ession . 23g36.5.1 Negotiation of multiple protocol control information compression types 23g36.5.1.1 Format of the protocol control information compression field . 24g36.5.1.1.1 Spare bit (X) 24g36.5.1.1.2 Propose bit (P) . 24g36.5.1.1.3 Entity number 24g36.5.1.1.4 Algorithm identifier . 25g36.5.1.

24、1.5 PCOMP . 25g36.5.1.2 Resetting compression entities following SNDCP XID negotiation . 26g36.5.1.3 Parameters for compression entities 26g36.5.2 TCP/IP header compression (RFC1144). 26g36.5.2.1 Parameters . 27g36.5.2.1.1 Applicable NSAPIs . 27g36.5.2.1.2 S0. 27g36.5.2.2 Assignment of PCOMP values

25、27g36.5.2.3 Error Recovery 27g36.5.3 TCP/IP and UDP/IP header compression (RFC 2507) . 27g36.5.3.1 Parameters . 28g36.5.3.1.1 Applicable NSAPIs . 28g36.5.3.2 Assignment of PCOMP values for RFC2507 28g36.5.3.3 Error Recovery 28g36.5.4 Robust Header Compression (ROHC) 28g36.5.4.1 Parameters . 29g36.5.

26、4.1.1 Applicable NSAPIs . 29g36.5.4.1.2 MAX_CID . 29g36.5.4.1.3 MAX_HEADER 29g36.5.4.1.4 (Void) 29g36.5.4.1.5 PROFILE. 29g36.5.4.2 Assignment of PCOMP values for ROHC 30g36.5.4.3 Error Recovery and other feedback . 30g36.5.5 Pre-defined Protocol control information ROHC compression types for MBMS 30

27、g36.6 Data compression . 31g36.6.1 Negotiation of multiple data compression types . 31g36.6.1.1 Format of the data compression field 32g36.6.1.1.1 Spare bit (X) 32g36.6.1.1.2 Propose bit (P) . 32g36.6.1.1.3 Entity number 32g36.6.1.1.4 Algorithm identifier . 32g36.6.1.1.5 DCOMP. 32g36.6.1.2 Resetting

28、 compression entities following SNDCP XID negotiation . 33g36.6.1.3 Parameters for compression entities 33g36.6.2 Management of V.42 bis data compression 33g36.6.2.1 Parameters . 33g36.6.2.1.1 Applicable NSAPIs . 34g36.6.2.1.2 P0. 34g36.6.2.1.3 P1. 34g36.6.2.1.4 P2. 34g3ETSI ETSI TS 144 065 V13.0.0

29、(2016-01)53GPP TS 44.065 version 13.0.0 Release 136.6.2.2 Assignment of DCOMP values . 34g36.6.2.3 Operation of V.42 bis data compression . 34g36.6.3 Management of V.44 data compression 34g36.6.3.1 Parameters . 34g36.6.3.1.1 Applicable NSAPIs . 35g36.6.3.1.2 C035g36.6.3.1.3 P0. 35g36.6.3.1.4 P1T35g3

30、6.6.3.1.5 P1R36g36.6.3.1.6 P3T36g36.6.3.1.7 P3R36g36.6.3.2 Assignment of DCOMP values . 36g36.6.3.3 Operation of V.44 data compression . 36g36.6.3.3.1 Packet Method . 36g36.6.3.3.2 Multi-Packet Method . 37g36.7 Segmentation and reassembly 37g36.7.1 General 37g36.7.1.1 Segmentation . 37g36.7.1.2 Reas

31、sembly . 38g36.7.2 Segmentation and reassembly in acknowledged mode . 38g36.7.3 Segmentation and reassembly in unacknowledged mode . 38g36.7.4 Exception situations 39g36.7.4.1 Receive First Segment state 39g36.7.4.2 Receive Subsequent Segment state . 39g36.7.4.3 Discard state 39g36.8 XID parameter n

32、egotiation . 39g36.8.1 Negotiation of compression entities 42g36.8.1a Negotiation of SNDCP version . 43g36.8.2 Values of SNDCP XID parameters . 43g36.8.3 Exception handling . 43g36.9 Data transfer . 44g36.9.1 Acknowledged mode 44g36.9.2 Unacknowledged mode . 45g36.10 Possible combinations of SNDCP p

33、rotocol functions and their connection to service access points. 46g37 Definition of SN-PDU 47g37.1 Format convention 47g37.1.1 Numbering convention . 47g37.1.2 Order of transmission 47g37.1.3 Field mapping convention 47g37.2 SN-PDU Formats . 48g38 SNDCP XID parameters 49g3Annex A (informative): Cha

34、nge History 50g3History 52g3ETSI ETSI TS 144 065 V13.0.0 (2016-01)63GPP TS 44.065 version 13.0.0 Release 13Foreword This Technical Specification has been produced by the 3rdGeneration Partnership Project (3GPP). The contents of the present document are subject to continuing work within the TSG and m

35、ay change following formal TSG approval. Should the TSG modify the contents of the present document, it will be re-released by the TSG with an identifying change of release date and an increase in version number as follows: Version x.y.z where: x the first digit: 1 presented to TSG for information;

36、2 presented to TSG for approval; 3 or greater indicates TSG approved document under change control. y the second digit is incremented for all changes of substance, i.e. technical enhancements, corrections, updates, etc. z the third digit is incremented when editorial only changes have been incorpora

37、ted in the document. ETSI ETSI TS 144 065 V13.0.0 (2016-01)73GPP TS 44.065 version 13.0.0 Release 131 Scope The present document provides the description of the Subnetwork Dependent Convergence Protocol (SNDCP) for the General Packet Radio Service (GPRS). The user of the services provided by SNDCP i

38、s a packet data protocol (PDP) at the mobile Station (MS) or the Relay at the Serving GPRS Support Node (SGSN). Additionally, a control entity, e.g. AT command interpreter, may be an SNDCP user. SNDCP uses the services provided by the Logical Link Control (LLC) layer 4 and the Session Management (SM

39、) sub-layer 2. The main functions of SNDCP are: - Multiplexing of several PDPs. - Compression / decompression of user data. - Compression / decompression of protocol control information. - Segmentation of a network protocol data unit (N-PDU) into Logical Link Control Protocol Data Units (LL-PDUs) an

40、d re-assembly of LL-PDUs into an N-PDU. 3GPP TS 44.065 is applicable to GPRS MS and SGSN. 2 References The following documents contain provisions which, through reference in this text, constitute provisions of the present document. References are either specific (identified by date of publication, e

41、dition number, version number, etc.) or non-specific. For a specific reference, subsequent revisions do not apply. For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the lat

42、est version of that document in the same Release as the present document. 1 3GPP TR 21.905: “Vocabulary for 3GPP Specifications“. 2 3GPP TS 22.060: “General Packet Radio Service (GPRS); Service Description; Stage 1“. 3 3GPP TS 23.060: “General Packet Radio Service (GPRS); Service Description; Stage

43、2“. 4 3GPP TS 24.007: “Mobile radio interface signalling layer 3; General aspects“. 5 3GPP TS 44.018: “Mobile radio interface; Layer 3 specification; Radio Resource Control Protocol“. 5a 3GPP TS 24.008: “Mobile radio interface; Layer 3 specification; Core Network Protocols; Stage 3“. 6 3GPP TS 44.06

44、4: “General Packet Radio Service (GPRS); Mobile Station - Serving GPRS Support Node (MS-SGSN) Logical Link Control (LLC) layer specification“. 7 3GPP TS 29.060: “General Packet Radio Service (GPRS); GPRS Tunnelling Protocol (GTP) across the Gn and Gp Interface“. 8 ITU-T Recommendation V.42 bis: “Dat

45、a compression procedures for data circuit-terminating equipment (DCE) using error correcting procedures“. 9 IETF RFC 1144: “Compressing TCP/IP headers for low-speed serial links“, V. Jacobson. ETSI ETSI TS 144 065 V13.0.0 (2016-01)83GPP TS 44.065 version 13.0.0 Release 1310 IETF RFC 2507: “IP Header

46、 Compression“, M. Degermark, B. Nordgren, S. Pink. 11 ITU-T Recommendation V.44: “Data compression procedures“. 12 IETF RFC 3095: “RObust Header Compression (ROHC): Framework and four profiles: RTP, UDP, ESP, and uncompressed“. C. Bormann et al. 13 IETF RFC 3241: “Robust Header Compression (ROHC) ov

47、er PPP“. C. Bormann. 14 “RObust Header Compression (ROHC) Profile Identifiers“. IANA registry at: http:/www.iana.org/assignments/rohc-pro-ids 3 Definitions and abbreviations 3.1 Definitions For the purposes of the present document, the terms and definitions given in 3GPP TS 21.905 1 and 3GPP TS 22.0

48、60 2 and the following apply: Feedback N-PDU: an N-PDU which is generated by an SNDCP protocol control information compression entity or data compression entity and contains only control information for its peer compression entity, but no payload from any SNDCP user. N201: LLC layer parameter (see 3

49、GPP TS 44.064 6 for clarity). Defines maximum number of octets in the information field of LL-PDU. Separate values are applicable for I (see N201-I), U and UI (see N201-U) LL-PDUs. N201-I: LLC layer parameter (see 3GPP TS 44.064 6 for clarity). Defines maximum number of octets available to a SN-DATA PDU for a specific SAPI. N201-U: LLC layer parameter (see 3GPP TS 44.064 6 for clarity). Defines maximum number of octets available to a SN-UNITDATA PDU for a specific SAPI. N-PDU number: a sequence number assigned to N-PDUs per N

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