Hi ,
[draft-medved-i2rs-topology-im-01] defines a TED (Traffic Engineering Data)
component ([RFC5305], [RFC3630]):
<ted-link> ::= <COLOR>
<MAX_LINK_BANDWIDTH>
<MAX_RESV_LINK_BANDWIDTH>
(<UNRESERVED_BANDWIDTH>...)
<TE_DEFAULT_METRIC>
[<srlg-attributes>]
Besides the factors proposed in that document, other factors such as latency,
limited bandwidth, packet loss, and jitter
([draft-ietf-isis-te-metric-extensions-01],
[draft-ietf-ospf-te-metric-extensions-05], [draft-wu-idr-te-pm-bgp-03]), are
all important that need to be taken into account in the topology info model.
For example, shall we extend the TED component (i.e. including network
performance information ) as follows:
<ted-link> ::= <COLOR>
<MAX_LINK_BANDWIDTH>
<MAX_RESV_LINK_BANDWIDTH>
(<UNRESERVED_BANDWIDTH>...)
<TE_DEFAULT_METRIC>
<TE_Performance_Info>
[<srlg-attributes>]
<TE_Performance_Info> ::= <Unidirectional Link Delay>
<Min/Max Unidirectional Link
Delay>
<Unidirectional Delay
Variation>
<Unidirectional Packet Loss>
<Unidirectional Residual
Bandwidth>
<Unidirectional Available
Bandwidth>
<Unidirectional Utilized Bandwidth>
What do you think?
Regards,
Ran
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