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