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TEWG draft-lefaucheur-te-metric-igp-00.txt
NAME OF I-D:
Use of IGP Metric as a second TE Metric
http://www.ietf.org/internet-drafts/draft-lefaucheur-te-metric-igp-00.txt
SUMMARY:
This draft describes how the existing IGP Metric can be used as an
alternative metric to the TE Metric for Constraint Based Routing of MPLS TE
Tunnels. This effectively result in the ability to perform Constraint Based
Routing with optimisation of one metric (eg. link bandwidth) for some TE
Tunnels (eg. Data Trunks) while optimising another metric (eg. propagation
delay) for some other TE Tunnels (eg. Voice Trunks).
No protocol extensions or modifications are required. This text documents
current implementations and deployment practises.
RELATED DOCUMENTS:
Complements:
http://www.ietf.org/internet-drafts/draft-fedyk-isis-ospf-te-metrics-01.txt
Compete: None.
WHERE DOES IT FIT IN THE PICTURE OF THE SUB-IP WORK:
This fits into TE-WG.
WHY IS IT TARGETED AT THIS WG
This directly addresses specific items of the TEWG charter:
"- BCP documents on ISP uses, requirements, desires (TEBCPs)
- TE interoperability & implementation informational notes (TEIMP) "
JUSTIFICATION
The draft directly addresses a items of the charter and relates to existing
implementations and planned deployments.