draft-ietf-bmwg-igp-dataplane-conv-term-03.txt   draft-ietf-bmwg-igp-dataplane-conv-term-04.txt 
Network Working Group Network Working Group
INTERNET-DRAFT INTERNET-DRAFT
Expires in: January 2005 Expires in: April 2005
Scott Poretsky Scott Poretsky
Quarry Technologies Quarry Technologies
Brent Imhoff Brent Imhoff
LightCore
July 2004 October 2004
Terminology for Benchmarking Terminology for Benchmarking
IGP Data Plane Route Convergence IGP Data Plane Route Convergence
<draft-ietf-bmwg-igp-dataplane-conv-term-03.txt> <draft-ietf-bmwg-igp-dataplane-conv-term-04.txt>
Intellectual Property Rights (IPR) statement: Intellectual Property Rights (IPR) statement:
By submitting this Internet-Draft, I certify that any applicable By submitting this Internet-Draft, I certify that any applicable
patent or other IPR claims of which I am aware have been disclosed, or patent or other IPR claims of which I am aware have been disclosed, or
will be disclosed, and any of which I become aware will be disclosed, will be disclosed, and any of which I become aware will be disclosed,
in accordance with RFC 3668. in accordance with RFC 3668.
Status of this Memo Status of this Memo
This document is an Internet-Draft and is in full conformance with This document is an Internet-Draft and is in full conformance with
skipping to change at page 3, line 15 skipping to change at page 3, line 15
IGP Data Plane Route Convergence IGP Data Plane Route Convergence
Convergence Convergence Convergence Convergence
Recovery Event Recovery Event
Instant Instant Time = 0sec Instant Instant Time = 0sec
Maximum ^ ^ ^ Maximum ^ ^ ^
Forwarding Rate--> ----\ Packet /--------------- Forwarding Rate--> ----\ Packet /---------------
\ Loss /<----Convergence \ Loss /<----Convergence
Convergence------->\ / Event Transition Convergence------->\ / Event Transition
Recovery Transition \ / Recovery Transition \ /
\_____/<------100% Packet Loss \_____/<------Packet Loss
X-axis = Time X-axis = Time
Y-axis = Forwarding Rate Y-axis = Forwarding Rate
Figure 1. Convergence Graph Figure 1. Convergence Graph
2. Existing definitions 2. Existing definitions
For the sake of clarity and continuity this RFC adopts the template For the sake of clarity and continuity this RFC adopts the template
for definitions set out in Section 2 of RFC 1242. Definitions are for definitions set out in Section 2 of RFC 1242. Definitions are
indexed and grouped together in sections for ease of reference. indexed and grouped together in sections for ease of reference.
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
skipping to change at page 5, line 39 skipping to change at page 5, line 39
3.5 Convergence Packet Loss 3.5 Convergence Packet Loss
Definition: Definition:
The amount of packet loss produced by a Convergence Event The amount of packet loss produced by a Convergence Event
until Route Convergence occurs. until Route Convergence occurs.
Discussion: Discussion:
Packet loss can be observed as a reduction of forwarded traffic from Packet loss can be observed as a reduction of forwarded traffic from
the maximum forwarding rate. Convergence Packet Loss include packets the maximum forwarding rate. Convergence Packet Loss include packets
that were lost and packets that were delayed due to buffering. that were lost and packets that were delayed due to buffering.
Convergence Packet Loss may or may not reach 100%.
Measurement Units: Measurement Units:
number of packets number of packets
Issues: Issues:
None None
See Also: See Also:
Route Convergence Route Convergence
Convergence Event Convergence Event
skipping to change at page 7, line 44 skipping to change at page 7, line 43
Convergence Event Instant Convergence Event Instant
Full Convergence Full Convergence
3.9 Convergence Event Transition 3.9 Convergence Event Transition
Definition: Definition:
The characteristic of a router in which forwarding rate The characteristic of a router in which forwarding rate
gradually reduces to zero after a Convergence Event. gradually reduces to zero after a Convergence Event.
Discussion: Discussion:
The Convergence Event Transition is best observed for The Convergence Event Transition is best observed for
Full Convergence. Full Convergence. The Convergence Event Transition may
not be linear.
Measurement Units: Measurement Units:
seconds/milliseconds seconds/milliseconds
Issues: Issues:
None None
See Also: See Also:
Convergence Event Convergence Event
Rate-Derived Convergence Time Rate-Derived Convergence Time
skipping to change at page 8, line 14 skipping to change at page 8, line 14
IGP Data Plane Route Convergence IGP Data Plane Route Convergence
3.10 Convergence Recovery Transition 3.10 Convergence Recovery Transition
Definition: Definition:
The characteristic of a router in which forwarding rate The characteristic of a router in which forwarding rate
gradually increases to equal the offered load. gradually increases to equal the offered load.
Discussion: Discussion:
The Convergence Recovery Transition is best observed for The Convergence Recovery Transition is best observed for
Full Convergence. Full Convergence. The Convergence Event Transition may
not be linear.
Measurement Units: Measurement Units:
seconds/milliseconds seconds/milliseconds
Issues: Issues:
None None
See Also: See Also:
Full Convergence Full Convergence
Rate-Derived Convergence Time Rate-Derived Convergence Time
skipping to change at page 13, line 16 skipping to change at page 13, line 16
4. Security Considerations 4. Security Considerations
Documents of this type do not directly affect the security of Documents of this type do not directly affect the security of
Internet or corporate networks as long as benchmarking Internet or corporate networks as long as benchmarking
is not performed on devices or systems connected to operating is not performed on devices or systems connected to operating
networks. networks.
5. References 5. References
[1] Poretsky, S., "Benchmarking Applicability for IGP Data Plane [1] Poretsky, S., "Benchmarking Applicability for IGP Data Plane
Route Convergence", draft-ietf-bmwg-igp-dataplane-conv-app-03, Route Convergence", draft-ietf-bmwg-igp-dataplane-conv-app-04,
work in progress, July 2004. work in progress, October 2004.
[2] Poretsky, S., "Benchmarking Methodology for IGP Data Plane [2] Poretsky, S., "Benchmarking Methodology for IGP Data Plane
Route Convergence", draft-ietf-bmwg-igp-dataplane-conv-meth-03, Route Convergence", draft-ietf-bmwg-igp-dataplane-conv-meth-04,
work in progress, July 2004. work in progress, October 2004.
[3] Callon, R., "Use of OSI IS-IS for Routing in TCP/IP and Dual [3] Callon, R., "Use of OSI IS-IS for Routing in TCP/IP and Dual
Environments", RFC 1195, December 1990. Environments", RFC 1195, December 1990.
[4] Moy, J., "OSPF Version 2", RFC 2328, IETF, April 1998. [4] Moy, J., "OSPF Version 2", RFC 2328, IETF, April 1998.
[5] S. Casner, C. Alaettinoglu, and C. Kuan, "A Fine-Grained View [5] S. Casner, C. Alaettinoglu, and C. Kuan, "A Fine-Grained View
of High Performance Networking", NANOG 22, May 2001. of High Performance Networking", NANOG 22, May 2001.
[6] L. Ciavattone, A. Morton, and G. Ramachandran, "Standardized [6] L. Ciavattone, A. Morton, and G. Ramachandran, "Standardized
 End of changes. 

This html diff was produced by rfcdiff 1.23, available from http://www.levkowetz.com/ietf/tools/rfcdiff/