Subject: [bmwg] comments on igp-dataplane-term-04

From: Al Morton <[email-masked]>
Date: Wed, 10 Nov 2004 20:30:00 -0500

Scott,

Here are some suggestions by e-mail to save some time tomorrow
(vi-ing as a participant).  This is just a few
clarifications, and some shuffling of the equations
out of discussion and into the definition sections:

>    3.2 Route Convergence
>
>         Definition:
>         Recovery from a Convergence Event indicated by the DUT
>         forwarding rate equal to the offered load.
                                                 ^
                                        on a new egress interface.

>    3.8 Rate-Derived Convergence Time
>         Definition:
>         The amount of time for Convergence Packet Loss to
>         persist upon occurrence of a Convergence Event until
>         occurrence of Route Convergence.

s/occurrence of Route Convergence/Route Convergence takes place/

>         Discussion:

s/Discussion://

>       Rate-Derived Convergence Time can be measured as the time

s/can be measured/is defined/

>         difference from the Convergence Event Instant to the
>         Convergence Recovery Instant, as shown with Equation 1.
>
>         (eq 1)  Rate-Derived Convergence Time =
>                 Convergence Recovery Instant - Convergence Event Instant.

        Discussion:
>         Rate-Derived Convergence Time should be measured at the maximum
...

>    3.11 Loss-Derived Convergence Time
>
>         Definition:
>         The amount of time it takes for Route Convergence to
>         to be achieved as calculated from the Convergence Packet
>         Loss.
.,.-3d
i
The time to achieve Route Convergence is calculated from the
Convergence Packet Loss, as shown in equation 2.

[move up from below]
         (eq 2) Loss-Derived Convergence Time =
                 Convergence Packets Loss / Forwarding Rate
                 NOTE: Units for this measurement are
                 packets / packets/second = seconds

>         Discussion:
>         Loss-Derived Convergence Time can be calculated from
>         Convergence Packet Loss that occurs due to a Convergence Event
>         and Route Convergence, as shown with Equation 2.

s/with Equation 2/above/

thanks,
Al

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