INTERNATIONAL UNION

ITU-T FS-VDSL TELECOMMUNICATION STANDARDIZATION SECTOR White Paper OF ITU

Full-Service VDSL

Focus Group White Paper

Glossary of Terms

Version 1.00 05 December 2002

ITU-T FS-VDSL Focus Group White Paper GLOSSARY OF TERMS

Summary

This is the common Glossary of Terms used in the FS-VDSL Focus Group White Papers.

Source

This White Paper was produced by the CPE-SA Working Group of the ITU-T FS-VDSL Focus Group. Please refer to the FS-VDSL web site at http://www.fs-vdsl.net for more information.

This document contains general overview information and should not be construed as a technical specification.

As the FS-VDSL Specifications are revisited, a revised version of this White Paper may be issued.

This White Paper is part of a set of White Papers, published by the ITU-T FS-VDSL Focus Group; for a complete and updated list of published White Papers please refer to the FS-VDSL Focus Group web pages at www.fs-.net/whitepapers and at http://www.itu.int/ITU- T/studygroups/com16/fs-vdsl/wps.html

ã ITU 2002 All rights reserved. No part of this publication may be reproduced in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the ITU. ii FS-VDSL WHITE PAPERS GLOSSARY OF TERMS

AAL ATM Adaptation Layer Institute of Electrical and IEEE Electronics Engineers ADSL Asymmetrical DSL Internet Engineering Task AN Access Network IETF Force American National Standard ANSI Internet Group Management Institute IGMP Protocol ASI Asynchronous Serial Interface IP Internet Protocol ATM Asynchronous Transfer Mode Integrated Receiver IRD AVC Descrambler B-RAS Remote Access Integrated Services Digital ISDN Server Network CA Conditional Access International Organization for ISO Standards CBR Constant InterWorking to Core Customer Premises IWCN CPE Network Equipment L2TP Layer 2 Tunneling Protocol DBTV Digital Broadcast TV LAC L2TP Access Concentrator Dynamic Host Configuration DHCP Protocol LG Leave Group DRM Digital Rights Management LLC Logical Link Control DSL LNS L2TP Network Server DSLAM DSL Access Multiplexer Moving Picture Experts MPEG Group Digital Storage Media – DSM-CC Command and Control MPEG-TS MPEG Transport Stream DTV Digital Television Multi Protocol Label MPLS Switching DVB Digital Video Broadcasting Multi Program Transport MPTS DVB-T DVB Terrestrial Stream DVD Digital Versatile Disc MQ Membership Query EMS Element Management System MR Membership Report EPG Electronic Programme Guide MTS MPEG-2 Transport Stream Functional processing and FPD NT Network Termination Decoding National Television Standard NTSC FSN Full Service Network Committee FS-VDSL Full Service VDSL NVOD Near VOD FTTB Fibre To The Building ODN Optical Distribution Network FTTCab Fibre To The Cabinet OLT Optical Line Termination Fibre To The Home FTTH ONU Optical Network Unit High Definition Television HDTV OS Operating System HFC Hybrid Fibre Coax Optical Terminal Unit – OTU-R International Electrotechnical Remote side IEC Commission Optical Terminal Unit – OUT-C Central Office side

1 PAL Phase Alternation Lines VHF Very High Frequency PDU Protocol Data Unit VoATM Voice over ATM Public access, Educational VoD Video on Demand PEG and Government VoIP Voice over IP content/programming VP Virtual Path POTS Plain Old Telephony Service VPI Virtual Path Identifier PPP Point-to-Point Protocol VDSL Termination PPV Pay per view VTP Processing PS Pots or ISDN Splitter VTP/D VTP or VTPD PVC Permanent Virtual Circuit VDSL Termination VTPD Quadrature Amplitude Processing and Decoding QAM Modulation VDSL Terminal Unit – VTU-C QoS Quality of Service Central Office Quadrature Phase Shift QPSK Keying Remote Authentication Dial RADIUS In User Service RF Radio Frequency Request for Comment (IETF RFC standard) Segmentation And SAR Reassembly SDB Switched Digital Broadcast Synchronous Digital SDH Hierarchy SDVB Switched DVB Society of Motion Picture and SMPTE Television Engineers SNAP Subnetwork Access Protocol SONET Synchronous Optical Network Single Program Transport SPTS Stream STB Set Top Box Synchrounous Transport STM Module UBR Unspecified Bit Rate UDP User Datagram Protocol UHF Ultra High Frequency UNI User to Network Interface VBR Variable Bit Rate VC Virtual Connection VCC Virtual Channel Connection VCI Virtual Channel Identifier Very High Bit Rate Digital VDSL Subscriber Line

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