Numbering Exchange Protocol (NEP) Specification
draft-omar-nep-03
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Khaled Omar
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2017-12-21
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draft-omar-nep-03 Khaled Omar
Internet-Draft The Road
Intended status: Standard Track
Expires: June 20, 2018 December 20, 2017
Numbering Exchange Protocol (NEP)
Specification
draft-omar-nep-03
Status of this Memo
This Internet-Draft is submitted in full conformance with the provisions
of BCP 78 and BCP 79.
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This Internet-Draft will expire on June 20, 2018.
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Copyright (c) 2017 IETF Trust and the persons identified as the document
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Abstract
This document specifies Numbering Exchange Protocol (NEP).
Table of Contents
1. Introduction..................................................1
2. Numbering Exchange Protocol (NEP).............................1
3. NEP Loop Prevention...........................................3
4. Subnet Advertisement..........................................4
5. Security Considerations.......................................5
6. Acknowledgments...............................................5
7. Author Address................................................5
8. References....................................................5
9. Full Copyright Statement......................................5
Khaled Omar Internet-Draft [Page 1]
RFC Numbering Exchange Protocol (NEP) December 20, 2017
1. Introduction
- Numbering Exchange Protocol (NEP) is an Interior Gateway Protocol (IGP)
that delivers IP packets between routers in the same Autonomous System (AS).
- The problem that NEP is trying to solve is related to the IGP metric where:
a) RIP uses only the number of hops.
b) OSPF uses only the cost (bandwidth).
c) IS-IS uses only a default metric of 10 for all links.
d) EIGRP uses the least bandwidth and delay.
- NEP differs from other IGPs as it chooses its best path based on a composite
metric of:
a. Highest total bandwidth (for faster transmission).
b. Number of hops (for less processing).
c. Lowest total delay (for faster delivery).
- NEP builds a short IP routing table less than other IGPs.
- NEP uses a numbering method between routers that provides a fast topology
exchange and learning process.
2. Numbering Exchange Protocol (NEP)
- The following figure shows 6 interconnected routers within an AS as follows:
3: 22, 2500, 15
3: 12, 3000, 30 3: 31, 2000, 10
3: 22, 1500, 25 3: 42, 3000, 30
3: 31, 1000, 20 3: 63, 8000, 100
<----- * ----->
----------------------* 3 *----------------------
| 20 | * 10 |
| 1000 | | 2000 |
| v | |
| | |
4: 22, 4000, 60 | | 5 |
4: 41, 1000, 20 | ^ | 500 |
4: 52, 1100, 220 ^ | | | | ^ 1: 11, 2000, 10
4: 62, 6000, 90 | | | | | | 1: 22, 3000, 20
| | 32,41,52,62 12,21,32 | 31,41,51 31,51 | | 1: 52, 5000, 20
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