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FAST Protocol
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Re: FAST Extension proposal - MAP
Rolf Andersson / Pantor Engineering
29 Sep 2008 2:48PM ETTANSTAAFL, although it may be true for a specific template, the average the cost is one bit (and Murphy may skew this a bit). I.e. in 1 case out of 7 (not 8) you pay one byte. Not even a _very_ good template designer will find the extra bit when he needs it :)
> > The effect of 2 and 3 is that the one byte in 3 gets amortized over 8
> > reference occurrences of the field. Less than 8 references per
> > definitions results in pmap being more compact, more than 8 references
> > means leading zero byte results in definition being more compact.
>
> Since FAST is a byte-level protocol, it is an all or nothing cost.
> Either using an additional presence bit increases the presence map size
> or it doesn't. This is up to template designers to take into account.
Re: FAST Extension proposal - MAP
Rolf Andersson / Pantor Engineering 29 Sep 2008 2:48PM ET
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