Internet Engineering Task Force (IETF)                    Khaled Omar
Internet-Draft                                             The Road
Intended status: Experimental                             L. Camara
Expires: April 20, 2021                                October 20, 2020
                                                       

                     Numbering Exchange Protocol (NEP)
                             Specification
                           draft-omar-nep-09

Abstract

   This document specifies the Numbering Exchange Protocol (NEP), an
   Interior Gateway Protocol (IGP) that combines three metrics: delay,
   bandwidth and number of hops.

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Omar & Camara          Expires April 20, 2021                    [Page 1]
Internet-Draft    Numbering Exchange Protocol (NEP)            October 2020

Table of Contents

   1.  Introduction ...................................................1
   2.  Numbering Exchange Protocol (NEP) ..............................2
   2.1.  RIDs and their Advertising ...................................4
   2.1.1.  Advertising Beyond a Router's Neighbours ...................5
   2.1.2.  Detecting Conflict on RIDs..................................5
   2.2.  Echo Mechanism ...............................................5
   2.2.1.  Detecting Routers that Leaved a NEP Network ................5
   2.3.  Topology Advertisement .......................................6
   2.3.1.  The NEP Metric .............................................7
   3.  NEP Loop Prevention ............................................7
   4.  Subnet Advertisement ...........................................8
   4.1.  Specification ...............................................10
   4.2.  Routing Packets within a NEP AS .............................11
   5.  IANA Considerations ...........................................11
   6.  Security Considerations .......................................12
   7.  References ....................................................12
   7.1.  Normative References ........................................12
   7.2.  Informative References ......................................12
   8.  Authors' Addresses ............................................13
   Appendix A.  NEP Advertisement Format .............................13
   A.1.  NEP Header ..................................................13
   A.2.  Topology Advertisement ......................................14
   A.3.  Subnet Advertisements .......................................14
   A.3.1.  Mask-Based Subnet Advertisements ..........................15
   A.3.2.  Prefix-Based Subnet Advertisements ........................15
   A.4.  Echo Mechanism ..............................................16
   A.4.1.  Echo Messages .............................................16
   A.4.2.  Delay Calculated Message ..................................16
   A.5.  Hello Messages ..............................................16
   A.6.  Router Left Message .........................................17




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7. References

8. Authors' Addresses

   Khaled Omar Ibrahim Omar
   The Road
   6th of October City, Giza
   Egypt

   Phone: +2 01003620284
   E-mail: eng.khaled.omar@hotmail.com
   National ID No.: 28611262102992

   Luis Camara
   Portugal
   E-mail: luis.camara@live.com.pt