ETSI TR 183 068-2009 Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN) Guidelines on using Ia H 248 profile for control of Border Ga.pdf
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1、 ETSI TR 183 068 V3.1.1 (2009-08)Technical Report Telecommunications and Internet converged Services andProtocols for Advanced Networking (TISPAN);Guidelines on using Ia H.248 profile forcontrol of Border Gateway Functions (BGF);Border Gateway GuidelinesETSI ETSI TR 183 068 V3.1.1 (2009-08) 2Referen
2、ce DTR/TISPAN-03202-NGN-R3 Keywords gateway, H.248, SIP 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 Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Importan
3、t notice Individual copies of the present document can be downloaded from: http:/www.etsi.org The present document may be made available in more than one electronic version or in print. In any case of existing or perceived difference in contents between such versions, the reference version is the Po
4、rtable Document Format (PDF). In case of dispute, the reference shall be the printing on ETSI printers of the PDF version kept on 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. Informat
5、ion on the current status of this and other ETSI documents is available at http:/portal.etsi.org/tb/status/status.asp If you find errors in the present document, please send your comment to one of the following services: http:/portal.etsi.org/chaircor/ETSI_support.asp Copyright Notification No part
6、may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2009. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTM, TIPHONTM, the TIPHON logo and the ETSI logo are Trade
7、 Marks of ETSI registered for the benefit of its Members. 3GPPTM is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. LTE is a Trade Mark of ETSI currently being registered for the benefit of its Members and of the 3GPP Organizational Partners. G
8、SM and the GSM logo are Trade Marks registered and owned by the GSM Association. ETSI ETSI TR 183 068 V3.1.1 (2009-08) 3Contents Intellectual Property Rights 6g3Foreword . 6g31 Scope 7g32 References 7g32.1 Normative references . 7g32.2 Informative references 8g33 Abbreviations . 9g34 Structure of th
9、is Technical Report 9g3Annex A: Illustration of Gate/Pinhole Concept. 10g3A.1 General . 10g3A.2 Relationships between gates and H.248 Streams . 10g3Annex B: Void 11g3Annex C: Void 12g3Annex D: Illustration of an IP processing model for an H.248 (IP, IP) Context . 13g3D.1 Example model . 13g3D.2 Aspe
10、cts of filter interaction 15g3D.2.1 Interaction between address latching and address policing 15g3Annex E: Guidelines for Ia-to-Gq mapping . 17g3E.1 Guidelines for Ia-to-Gq mapping with regards to session-independent procedures 17g3E.1.1 Introduction 17g3E.1.2 Mapping guidelines 17g3E.1.2.1 Session-
11、dependent procedures 17g3E.1.2.2 Session-independent procedures . 18g3E.2 Guidelines for Ia-to-Gq mapping with regards to bearer-specific events 18g3E.2.1 Introduction 18g3E.2.2 Mapping guidelines 19g3E.2.2.1 Guidelines for Specific Action AVPs 19g3E.2.2.2 Other AVPs . 19g3Annex F: Bandwidth Reserva
12、tion - Examples for Bandwidth Estimations . 20g3F.1 Introduction 20g3F.1.1 Bitrate B in general. 21g3F.1.1.1 Before service admission 21g3F.1.1.1a After service completion . 21g3F.1.1.2 Transport efficiency 21g3F.1.2 Some important RACS principles . 22g3F.1.2.1 Independence of layer 2 and layer 1 .
13、22g3F.1.2.2 Awareness of IP version . 22g3F.1.3 VPN Identifiers 22g3F.1.4 SDP “b=“ line semantic in H.248 Ia profile versions . 22g3F.1.5 Conclusion: ideal resource management model for resource “bitrate“ . 22g3F.2 Traffic aspects 23g3F.2.1 Quality of bitrate reservation 23g3F.3 Examples 23g3ETSI ET
14、SI TR 183 068 V3.1.1 (2009-08) 4F.3.1 Examples for media-aware streams 23g3F.3.1.1 Example for G.711 23g3F.3.2 Examples for media-agnostic streams 24g3Annex G: Illustration of BGF modes of operation 26g3G.1 Major SDP Information Elements for Media/Bearer/Resource Control in the BGF 26g3G.1.1 Example
15、 27g3G.2 BGF modes driven by particular SDP lines . 27g3G.2.1 SDP “c=“ line . 27g3G.2.2 SDP “m=“ line 28g3G.3 BGF modes driven by configuration management . 28g3G.3.1 Media-related modes 28g3G.3.2 Transport-related modes . 28g3Annex H: Illustration of NAPT modes of operation . 29g3H.1 NAPT types 29g
16、3H.1.1 Remote NA(P)T devices 29g3H.1.2 MG-local NA(P)T function 30g3H.2 NAPT-full modes . 30g3H.2.1 General case: non-symmetrical remote network addresses 30g3H.2.1.1 “Double“ NAPT mode without explicit Local Source settings . 30g3H.2.1.2 “Double“ NAPT mode with explicit Local Source settings 32g3H.
17、2.2 Special case: symmetrical remote network addresses 32g3H.2.2.1 “Double“ NAPT mode without explicit Local Source settings . 33g3H.2.2.2 “Double“ NAPT mode with explicit Local Source settings 34g3H.3 NAPT-less 34g3H.3.1 Definition . 34g3H.3.2 BGF (MG) behaviour for NAPT-less . 34g3H.3.2.1 Handling
18、 of source transport address values SA, SP 35g3H.3.2.2 Handling of destination transport address values DA, DP 35g3H.3.3 Control methods of NAPT-less mode 35g3H.3.3.1 Method 1: mirrored H.248 LD and RD between the two H.248 IP terminations (stream endpoints) . 35g3H.3.3.2 Method 2: omitted address i
19、nformation in H.248 LD and RD 35g3H.3.3.3 Method 3: explicit indication via H.248 Context Attribute 35g3H.3.4 NAPT-less examples 36g3H.3.4.1 “Double“ NAPT-less mode, controlled via method 1 . 36g3H.4 Mixed NA(P)T-full/NA(P)T-less modes 36g3H.4.1 Example of combination of Double-NAPT and NAPT-less 36
20、g3H.4.2 Profile limitations . 37g3Annex I: Illustration of “Protocol Layer Lx“-based Packet Processing BGF modes 38g3I.1 BGF modes - Technological Framework . 39g3I.2 BGF modes - Control Framework 40g3I.3 Example BGF modes - RTP-based Applications . 43g3I.3.1 Example application . 43g3I.3.2 Transpor
21、t-agnostic modes 44g3I.3.3 L4-port aware and transport-protocol agnostic modes . 46g3I.3.4 Transport aware (= L4-port aware and transport-protocol aware) modes 49g3I.3.5 Media framing aware (= media-type aware, media-format agnostic, L4-port aware and transport-protocol aware) modes . 52g3I.3.5.1 Op
22、en items 55g3I.3.6 Media aware “RTP Transport Translator“ (= media-type aware, media-format aware) modes . 55g3I.3.7 Media aware “RTP Media Translator“ (= media-type aware, media-format aware) modes . 58g3I.4 Example BGF modes - TCP-based Applications . 61g3I.4.1 Example application . 61g3ETSI ETSI
23、TR 183 068 V3.1.1 (2009-08) 5I.4.1.1 Mode discrimination . 62g3I.4.2 TCP relay modes 62g3I.4.2.1 Unencrypted transport layer 62g3I.4.2.2 Encrypted transport layer using TLS 64g3I.4.3 TCP proxy modes . 65g3I.5 Summary 67g3Annex J: Illustration of BGF Reporting of Protocol Layer Lx based Performance M
24、easurements . 68g3History 70g3ETSI ETSI TR 183 068 V3.1.1 (2009-08) 6Intellectual 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 available for ETSI members and non
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