Subject: Re: synchronous ip_id
To: Jonathan Stone <jonathan@DSG.Stanford.EDU>
From: David Laight <david@l8s.co.uk>
List: tech-net
Date: 02/24/2003 23:20:50
> Sigh.  Apparently I was not very clear though I have just been for two
> days in Germany now.  You have a 15-bit non-repeating random number
> space.  After you have exhausted that space, you toggle the high bit
> and start over with a different 15-bit non-repeating random number
> space.  And so forth.  At the end, you still have a 16-bit space.

But it can generate a duplicate after 2^15 + 1.
OTOH 2^15 and 2^16 aren't far enough apart to make a real difference.
You can easily increase it to 48k by using a 14bit LRC and 2 bit
counter.

	David

-- 
David Laight: david@l8s.co.uk