Acknowledgements

Cette section conserve le texte RFC pour Unreachable Prefix Announcement (UPA), y compris IS-IS and OSPF signaling, U-Flag and UP-Flag semantics, propagation rules, IANA assignments et security considerations.

Acknowledgements

   The authors would like to thank Kamran Raza, Michael MacKenzie, and
   Luay Jalil for their contributions and support of the overall
   solution proposed in this document.