ISO/IEC INTERNATIONAL STANDARD 4396-9 First edition 2023-12 Telecommunications and information exchange between systems Recursive inter-network architecture - Part 9: Error and flow control protocol Telécommunications et échange d'information entre systemes - Architecture récursive inter-réseaux Partie 9: Protocole de controle d'erreurs et de flux Reference number IEC IS0/IEC 4396-9:2023(E) ISO @IS0/IEC2023 IS0/IEC 4396-9:2023(E) COPYRIGHTPROTECTED DOCUMENT @IS0/IEC2023 All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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 or ISoO's member body in the country of the requester. ISO copyright office CP 40i : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email:[email protected] Website: www.iso.org Published in Switzerland ii @ IS0/IEC 2023 -All rights reserved