Re: Are wrapper sizes deterministic?

"Steven L. Waldbusser" <sw0l+@andrew.cmu.edu> Wed, 04 November 1992 08:28 UTC

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From: "Steven L. Waldbusser" <sw0l+@andrew.cmu.edu>
To: snmp2@thumper.bellcore.com, mlk%bir.UUCP@mathcs.emory.edu
Subject: Re: Are wrapper sizes deterministic?
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Excerpts from mail: 3-Nov-92 Are wrapper sizes determini.. Michael L.
Kornegay@math (274)

> Last paragraph of page 20 of Prot Ops for SMP discusses if size of message
> is greater than local constraint.  Is there a way to estimate size required
> for wrappers, or does this have to be done at wrap-time?

When building the packet, the wrapper size is deterministic.  Depending
on your implementation strategy, you may find it easier to estimate.  If
you provide an estimate that ranges from "exact" to "too long" (but
never "too short"), you will never find yourself in a bind when encoding
the wrapper (because you will never overestimate the number of varbinds
you can include in the list).


Steve