CAN CSA-ISO IEC 23001-2-2008 Information technology - MPEG systems technologies - Part 2 Fragment request units.pdf

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1、 Reference numberISO/IEC 23001-2:2008(E)ISO/IEC 2008INTERNATIONAL STANDARD ISO/IEC23001-2First edition2008-02-01Information technology MPEG systems technologies Part 2: Fragment request units Technologies de linformation Technologies des systmes MPEG Partie 2: Units de demande de fragment National S

2、tandard of CanadaCAN/CSA-ISO/IEC 23001-2:08(ISO/IEC 23001-2:2008)International Standard ISO/IEC 23001-2:2008 (first edition, 2008-02-01) has been adopted withoutmodification (IDT) as CSA Standard CAN/CSA-ISO/IEC 23001-2:08, which has been approved as a NationalStandard of Canada by the Standards Cou

3、ncil of Canada.ISBN 978-1-55436-956-0 September 2008 International Organization for Standardization (ISO), 2008. All rights reserved. International Electrotechnical Commission (IEC), 2008. All rights reserved. NOT FOR RESALE. Legal Notice for StandardsCanadian Standards Association (CSA) standards a

4、re developed through a consensus standards development process approved by the Standards Council of Canada. This process brings together volunteers representing varied viewpoints and interests to achieve consensus and develop a standard. Although CSA administers the process and establishes rules to

5、promote fairness in achieving consensus, it does not independently test, evaluate, or verify the content of standards.Disclaimer and exclusion of liabilityThis document is provided without any representations, warranties, or conditions of any kind, express or implied, including, without limitation,

6、implied warranties or conditions concerning this documents fitness for a particular purpose or use, its merchantability, or its non-infringement of any third partys intellectual property rights. CSA does not warrant the accuracy, completeness, or currency of any of the information published in this

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9、 OR ANY OTHER THEORY OF LIABILITY, ARISING OUT OF OR RESULTING FROM ACCESS TO OR POSSESSION OR USE OF THIS DOCUMENT, EVEN IF CSA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES, INJURY, LOSS, COSTS, OR EXPENSES.In publishing and making this document available, CSA is not undertaking to render pr

10、ofessional or other services for or on behalf of any person or entity or to perform any duty owed by any person or entity to another person or entity. The information in this document is directed to those who have the appropriate degree of experience to use and apply its contents, and CSA accepts no

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12、ontents of the standards or other documents it publishes. Intellectual property rights and ownershipAs between CSA and the users of this document (whether it be in printed or electronic form), CSA is the owner, or the authorized licensee, of all works contained herein that are protected by copyright

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14、copying, or disclosure of this document may violate laws that protect CSAs and/or others intellectual property and may give rise to a right in CSA and/or others to seek legal redress for such use, modification, copying, or disclosure. To the extent permitted by licence or by law, CSA reserves all in

15、tellectual property rights in this document.Patent rightsAttention is drawn to the possibility that some of the elements of this standard may be the subject of patent rights. CSA shall not be held responsible for identifying any or all such patent rights. Users of this standard are expressly advised

16、 that determination of the validity of any such patent rights is entirely their own responsibility.Authorized use of this documentThis document is being provided by CSA for informational and non-commercial use only. The user of this document is authorized to do only the following:If this document is

17、 in electronic form:.load this document onto a computer for the sole purpose of reviewing it;.search and browse this document; and.print this document if it is in PDF format. Limited copies of this document in print or paper form may be distributed only to persons who are authorized by CSA to have s

18、uch copies, and only if this Legal Notice appears on each such copy.In addition, users may not and may not permit others to.alter this document in any way or remove this Legal Notice from the attached standard;.sell this document without authorization from CSA; or.make an electronic copy of this doc

19、ument.If you do not agree with any of the terms and conditions contained in this Legal Notice, you may not load or use this document or make any copies of the contents hereof, and if you do make such copies, you are required to destroy them immediately. Use of this document constitutes your acceptan

20、ce of the terms and conditions of this Legal Notice.The Canadian Standards Association (CSA), under whose auspices this National Standard has been produced, was chartered in 1919 and accredited by the Standards Council of Canada to the National Standards system in 1973. It is a not-for-profit, nonst

21、atutory, voluntary membership association engaged in standards development and certification activities. CSA standards reflect a national consensus of producers and users including manufacturers, consumers, retailers, unions and professional organizations, and governmental agencies. The standards ar

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24、ors are chosen. Sustaining memberships represent a major source of income for CSAs standards development activities. The Association offers certification and testing services in support of and as an extension to its standards development activities. To ensure the integrity of its certification proce

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27、ervices to meet national and international needs.For further information on CSA services, write toCanadian Standards Association5060 Spectrum Way, Suite 100Mississauga, Ontario, L4W 5N6CanadaThe Standards Council of Canada (SCC) is thecoordinating body of the National StandardsSystem, a coalition of

28、 independent, autonomousorganizations working towards the furtherdevelopment and improvement of voluntarystandardization in the national interest.The principal objects of the SCC are to fosterand promote voluntary standardization as a meansof advancing the national economy, benefiting thehealth, saf

29、ety, and welfare of the public, assistingand protecting the consumer, facilitating domesticand international trade, and furthering internationalcooperation in the field of standards.A National Standard of Canada (NSC) is a standardprepared or reviewed by an accredited Standards Development Organizat

30、ion (SDO) and approved by the SCC according to the requirements of CAN-P-2. Approval does not refer to the technical content of the standard; this remains the continuing responsibility of the SDO. An NSC reflects a consensus of a number of capable individuals whose collective interests provide, to t

31、he greatest practicable extent, a balance of representation of general interests, producers, regulators, users (including consumers), and others with relevant interests, as may be appropriate to the subject in hand. It normally is a standard which is capable of making a significant and timely contri

32、bution to the national interest.Those who have a need to apply standards areencouraged to use NSCs. These standards are subjectto periodic review. Users of NSCs are cautionedto obtain the latest edition from the SDO which publishes the standard.The responsibility for approving standards as National

33、Standards of Canada rests with theStandards Council of Canada270 Albert Street, Suite 200Ottawa, Ontario, K1P 6N7CanadaAlthough the intended primary application of this Standard is stated in its Scope, it is importantto note that it remains the responsibility of the users to judge its suitability fo

34、r their particular purpose.Registered trade-mark of Canadian Standards AssociationCette norme est offerte en anglais seulement pour le moment. La CSA publiera la version enfranais ds quelle sera produite par lorganisme rdacteur.Approved byStandards Council of CanadaNational Standard of CanadaPublish

35、ed in September 2008 by Canadian Standards AssociationA not-for-profit private sector organization5060 Spectrum Way, Suite 100, Mississauga, Ontario, Canada L4W 5N61-800-463-6727 416-747-4044Visit our Online Store at www.ShopCSA.caCAN/CSA-ISO/IEC 23001-2:08Information technology MPEG systems technol

36、ogies Part 2: Fragment request unitsPrepared by International Organization for Standardization/ International Electrotechnical CommissionReviewed byCAN/CSA-ISO/IEC 23001-2:08Information technology MPEG systemstechnologies Part 2: Fragment request unitsSeptember 2008 Canadian Standards Association CS

37、A/3CAN/CSA-ISO/IEC 23001-2:08Information technology MPEG systems technologies Part 2: Fragment request unitsCSA PrefaceStandards development within the Information Technology sector is harmonized with international standards development. Through the CSA Technical Committee on Information Technology

38、(TCIT), Canadians serve as the Canadian Advisory Committee (CAC) on ISO/IEC Joint Technical Committee 1 on Information Technology (ISO/IEC JTC1) for the Standards Council of Canada (SCC), the ISO member body for Canada and sponsor of the Canadian National Committee of the IEC. Also, as a member of t

39、he International Telecommunication Union (ITU), Canada participates in the International Telegraph and Telephone Consultative Committee (ITU-T).At the time of publication, ISO/IEC 23001-2:2008 is available from ISO and IEC in English only. CSA will publish the French version when it becomes availabl

40、e from ISO and IEC.This International Standard was reviewed by the CSA TCIT under the jurisdiction of the Strategic Steering Committee on Information Technology and deemed acceptable for use in Canada. From time to time, ISO/IEC may publish addenda, corrigenda, etc. The CSA TCIT will review these do

41、cuments for approval and publication. For a listing, refer to the CSA Information Products catalogue or CSA Info Update or contact a CSA Sales representative. This Standard has been formally approved, without modification, by the Technical Committee and has been approved as a National Standard of Ca

42、nada by the Standards Council of Canada.September 2008 Canadian Standards Association 2008All rights reserved. No part of this publication may be reproduced in any form whatsoever without the prior permission of the publisher. ISO/IEC material is reprinted with permission. Where the words “this Inte

43、rnational Standard” appear in the text, they should be interpreted as “this National Standard of Canada”.Inquiries regarding this National Standard of Canada should be addressed toCanadian Standards Association5060 Spectrum Way, Suite 100, Mississauga, Ontario, Canada L4W 5N61-800-463-6727 416-747-4

44、000www.csa.caTo purchase CSA Standards and related publications, visit CSAs Online Store at www.ShopCSA.ca or call toll-free 1-800-463-6727 or 416-747-4044.Reference numberISO/IEC 23001-2:2008(E)ISO/IEC 2008INTERNATIONAL STANDARD ISO/IEC23001-2First edition2008-02-01Information technology MPEG syste

45、ms technologies Part 2: Fragment request units Technologies de linformation Technologies des systmes MPEG Partie 2: Units de demande de fragment ISO/IEC 23001-2:2008(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed o

46、r viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobes licensing policy. The ISO Central Secretariat accepts no liabili

47、ty in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suit

48、able for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHT PROTECTED DOCUMENT ISO/IEC 2008 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced

49、or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org ii ISO/IEC 2008 All rights reservedCAN/CSA-ISO/IEC 23001-2:08ISO/IEC 23001-2:2008(E) ISO/IEC 2008 All rights reserved iiiContents Page Foreword iv Introdu

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