ISO/TR TECHNICAL REPORT 29181-8 First edition 2017-04 Information technology Future Network Problem statement and requirements Part 8: Quality of Service Technologies de I'information - Réseaux du futur - Enoncé du probleme et exigences Partie 8: Qualité de service Reference number IEC IS0/TR29181-8:2017(E) International Organization for Standardization @ IS0 2017 STANDARDIZATION C15956617 ted without license from IHS IS0/TR 29181-8:2017(E) COPYRIGHTPROTECTEDDOCUMENT IS0/IEC 2017, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyright@iso.org www.iso.org Licensee-ZHEJIANG INST OF STANDRJSA/IEC O7 - All rights reserved HS und Not for Resale, 2017/8/21 03:01:01 networking permited without license from IHS IS0/TR 29181-8:2017(E) Contents Page Foreword ..iv Introduction. .V 1 Scope. 2 Normative references 3 Terms and definitions 4 Abbreviated terms ..2 5 General. .2 5.1 QoS in Future Network (FN) .2 5.2 Related works on QoS .3 5.2.1 ISO/IECJTC1 .3 5.2.2 European Telecommunication Standards Institute (ETSI) .3 5.2.3 Internet Engineering Task Force (IETF) .3 5.2.4 Internet2 .3 5.2.5 Telecommunication Standardization Sector of International Telecommunications Union (ITU-T) ..4 5.3 Prospect of QoS architecture in FN ..4 6 Problem statement of current networks for Qos 6.1 QoS in current networks. ..4 6.1.1 IPv4/1IPv6 network .4 6.1.2 Next Generation Network (NGN) ..5 6.1.3 WLAN 6 6.1.4 Wireless metropolitan area network (WMAN) .7 6.1.5 Mobile access networks.. ..7 6.2 Summary of QoS problems in current networks. .8 6.2.1 General ..8 6.2.2 Lack of flexible mechanism supporting new applications. 9 6.2.3 Lack of aggregate RsvP mechanism for business with same QoS requirements...9 6.2.4 Lack of network self-adaptability .10 6.2.5 Lack of connection-oriented characteristics. .10 6.2.6 Lack of fundamental effectiveness ..10 6.2.7 Lack of standards for QoS mechanism between heterogeneous networks .10 6.2.8 Lack of consideration from user perspective. .10 6.2.9 Poor controllability. .10 6.2.10 Human factors... ..10 6.2.11 Lack of effective congestion management. .10 7 Requirements of FNQoS ..11 7.1 Cross-layer and global .11 7.2 Customizable user service .11 7.3 Scalability and flexibility 11 7.4 Self-adjustment. .11 7.5 Focusing on mobility .11 7.6 FNQoS service composition 11 7.7 Grade and classification of services 11 7.8 Quality of Experience 12 7.9 QualityofProtection .12 7.10 Connection-mode network service ..12 7.11 FNQoS control technology .12 7.12 Effective congestion control mechanisms .12 Annex A (informative) Examples of technical issues for QoS realization in FN ..13 Bibliography ..14 iii icensee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 with ISC ted without license from IHS