Network Working Group H. Berkowitz
Request for Comments: 4098 Gett Communications & CCI Training
Category: Informational E. Davies, Ed.
Folly Consulting
S. Hares
Nexthop Technologies
P. Krishnaswamy
SAIC
M. Lepp
Consultant
June 2005
Terminology for Benchmarking BGP Device Convergence
in the Control Plane
Status of This Memo
This memo provides information for the Internet community. It does
not specify an Internet standard of any kind. Distribution of this
memo is unlimited.
Copyright Notice
Copyright (C) The Internet Society (2005).
Abstract
This document establishes terminology to standardize the description
of benchmarking methodology for measuring eBGP convergence in the
control plane of a single BGP device. Future documents will address
iBGP convergence, the initiation of forwarding based on converged
control plane information and multiple interacting BGP devices. This
terminology is applicable to both IPv4 and IPv6. Illustrative
examples of each version are included where relevant.
Berkowitz, et al. Informational [Page 1]RFC 4098 Terminology for Benchmarking BGP June 2005Table of Contents
1. Introduction ....................................................3
1.1. Overview and Road Map ......................................4
1.2. Definition Format ..........................................5
2. Components and Characteristics of Routing Information ...........5
2.1. (Network) Prefix ...........................................5
2.2. Network Prefix Length ......................................6
2.3. Route ......................................................6
2.4. BGP Route ..................................................7
2.5. Network Level Reachability Information (NLRI) ..............7
2.6. BGP UPDATE Message .........................................8
3. Routing Data Structures and Route Categories ....................8
3.1. Routing Information Base (RIB) .............................8
3.1.1. Adj-RIB-In and Adj-RIB-Out ..........................8
3.1.2. Loc-RIB .............................................9
3.2. Prefix Filtering ...........................................9
3.3. Routing Policy ............................................10
3.4. Routing Policy Information Base ...........................10
3.5. Forwarding Information Base (FIB) .........................11
3.6. BGP Instance ..............................................12
3.7. BGP Device ................................................12
3.8. BGP Session ...............................................13
3.9. Active BGP Session ........................................13
3.10. BGP Peer .................................................13
3.11. BGP Neighbor .............................................14
3.12. MinRouteAdvertisementInterval (MRAI) .....................14
3.13. MinASOriginationInterval (MAOI) ..........................15
3.14. Active Route .............................................15
3.15. Unique Route .............................................15
3.16. Non-Unique Route .........................................16
3.17. Route Instance ...........................................16
4. Constituent Elements of a Router or Network of Routers .........17
4.1. Default Route, Default-Free Table, and Full Table .........17
4.1.1. Default Route ......................................17
4.1.2. Default-Free Routing Table .........................18
4.1.3. Full Default-Free Table ............................18
4.1.4. Default-Free Zone ..................................19
4.1.5. Full Provider-Internal Table .......................19
4.2. Classes of BGP-Speaking Routers ...........................19
4.2.1. Provider Edge Router ...............................20
4.2.2. Subscriber Edge Router .............................20
4.2.3. Inter-provider Border Router .......................21
4.2.4. Core Router ........................................21
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