ITU-T J 800 0-2008 Cable assigned names and numbers (Study Group 9)《电缆指派的名称和号码 研究组9》.pdf
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1、 International Telecommunication Union ITU-T J.800.0TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (08/2008) SERIES J: CABLE NETWORKS AND TRANSMISSION OF TELEVISION, SOUND PROGRAMME AND OTHER MULTIMEDIA SIGNALS Multimedia over IP in cable Cable assigned names and numbers Recommendation ITU-T J.800.
2、0 Rec. ITU-T J.800.0 (08/2008) i Recommendation ITU-T J.800.0 Cable assigned names and numbers Summary Recommendation ITU-T J.800.0 describes a set of Cable industry registries and namespaces for Names and Numbers. Numerous protocol fields make use of identifiers with well-known names or number valu
3、es. This Recommendation is a common repository to hold these values. Source Recommendation ITU-T J.800.0 was approved on 22 August 2008 by ITU-T Study Group 9 (2005-2008) under Recommendation ITU-T A.8 procedure. ii Rec. ITU-T J.800.0 (08/2008) FOREWORD The International Telecommunication Union (ITU
4、) is the United Nations specialized agency in the field of telecommunications, information and communication technologies (ICTs). The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of ITU. ITU-T is responsible for studying technical, operating and tariff questions and issu
5、ing Recommendations on them with a view to standardizing telecommunications on a worldwide basis. The World Telecommunication Standardization Assembly (WTSA), which meets every four years, establishes the topics for study by the ITU-T study groups which, in turn, produce Recommendations on these top
6、ics. The approval of ITU-T Recommendations is covered by the procedure laid down in WTSA Resolution 1. In some areas of information technology which fall within ITU-Ts purview, the necessary standards are prepared on a collaborative basis with ISO and IEC. NOTE In this Recommendation, the expression
7、 “Administration“ is used for conciseness to indicate both a telecommunication administration and a recognized operating agency. Compliance with this Recommendation is voluntary. However, the Recommendation may contain certain mandatory provisions (to ensure e.g. interoperability or applicability) a
8、nd compliance with the Recommendation is achieved when all of these mandatory provisions are met. The words “shall“ or some other obligatory language such as “must“ and the negative equivalents are used to express requirements. The use of such words does not suggest that compliance with the Recommen
9、dation is required of any party. INTELLECTUAL PROPERTY RIGHTS ITU draws attention to the possibility that the practice or implementation of this Recommendation may involve the use of a claimed Intellectual Property Right. ITU takes no position concerning the evidence, validity or applicability of cl
10、aimed Intellectual Property Rights, whether asserted by ITU members or others outside of the Recommendation development process. As of the date of approval of this Recommendation, ITU had not received notice of intellectual property, protected by patents, which may be required to implement this Reco
11、mmendation. However, implementers are cautioned that this may not represent the latest information and are therefore strongly urged to consult the TSB patent database at http:/www.itu.int/ITU-T/ipr/. ITU 2009 All rights reserved. No part of this publication may be reproduced, by any means whatsoever
12、, without the prior written permission of ITU. Rec. ITU-T J.800.0 (08/2008) iii CONTENTS Page 1 Scope 1 2 References. 1 2.1 Normative references 1 2.2 Informative references 1 2.3 Reference document acquisition. 3 3 Abbreviations and acronyms 3 4 Cable DHCP protocol field registry . 4 4.1 Definition
13、 4 4.2 Format of the DHCPv6 cable vendor-specific information option 4 4.3 Template for defining new DHCPv6 cable vendor-specific information option codes 5 4.4 List of relevant specifications. 6 5 Cable XML registry 6 5.1 Guidelines. 6 5.2 Examples 7 5.3 Registered XML name spaces 7 6 Cable diamete
14、r AVP registry 8 6.1 Application identifiers 8 6.2 Command codes . 8 6.3 Vendor identifier 9 6.4 Attribute-value pair codes 9 6.5 Experimental result codes. 10 6.6 Assignment of the diameter codes and identifiers 10 7 Cable RCP registry . 11 7.1 Definition 11 7.2 Format. 12 7.3 Process for defining
15、and allocating new Receive Channel Profiles . 12 8 Cable ASN.1 Codes registry. 12 8.1 Definition 12 8.2 SMI Network Management Codes . 12 9 Cable Applications Registry. 18 Rec. ITU-T J.800.0 (08/2008) 1 Recommendation ITU-T J.800.0 Cable assigned names and numbers 1 Scope This Recommendation is a se
16、t of Cable industry registries and namespaces for Names and Numbers. Numerous protocol fields make use of identifiers with well-known names or number values, for example, the IETF DHCP protocol and vendor specific option values, the IETF RADIUS and DIAMETER protocols and associated Cable attributes,
17、 etc. To ensure that such quantities have consistent values and interpretations in different implementations, their assignment must be administered by a central authority. For IETF protocols, that role is provided by the Internet Assigned Numbers Authority (IANA). For vendor-specific protocol fields
18、 that are defined by Cable industry Recommendations and specifications, or when the use of such protocol identifiers may be common to multiple Cable industry projects and specifications, that role is provided by CableLabs. This Recommendation is a common repository that holds these values. This Reco
19、mmendation uses some of the terminology and guidelines of IETF RFC 2434. The scope of this version of this Recommendation includes: A DHCP registry for protocol fields authoritatively assigned by CableLabs that are in use in eDOCSIS, DOCSIS, IPCable2Home, and IPCablecom, for both IPv4 and DHCPv6. An
20、 XML registry for XML namespaces for DOCSIS and IPCablecom. A DIAMETER registry for IPCablecom. A Receive Channel Profile (RCP) registry for CableLabs-defined Standard-RCPs and Vendor-defined Manufacturer-RCPs that are used in DOCSIS 3.0 and beyond to communicate the receiver capabilities of a cable
21、 modem. NOTE The structure and content of this Recommendation have been organized for ease of use by those familiar with the original source material; as such, the usual style of ITU-T recommendations has not been applied. 2 References 2.1 Normative references IETF RFC 3588 IETF RFC 3588, Diameter B
22、ase Protocol, September 2003. IETF RFC 2434 IETF RFC 2434/BCP0026, Guidelines for Writing an IANA Considerations Section in RFCs, October 1998. IETF RFC 3315 IETF RFC 3315, Dynamic Host Configuration Protocol for IPv6 (DHCPv6), July 2003. 2.2 Informative references This Recommendation uses the follo
23、wing informative references. CANN DHCP Recommendation ITU-T J.800.1, Cable DHCP Registry. CH CAP-MIB Recommendation ITU-T J.192, A residential gateway to support the delivery of cable data services Annex E.1 IPCable2Home Addressing Portal (CAP) MIB requirement. CH CDP-MIB Recommendation ITU-T J.192,
24、 A residential gateway to support the delivery of cable data services Annex E.2 IPCable2Home DHCP Portal (CDP) MIB requirement. 2 Rec. ITU-T J.800.0 (08/2008) CH CTP-MIB Recommendation ITU-T J.192, A residential gateway to support the delivery of cable data services Annex E.3 IPCable2Home Test Porta
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