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Date:      Wed, 25 Feb 1998 10:22:53 +0200 (IST)
From:      Nadav Eiron <nadav@cs.technion.ac.il>
To:        Greg Lehey <grog@lemis.com>
Cc:        Terry Lambert <tlambert@primenet.com>, Tom <tom@sdf.com>, jak@cetlink.net, cdillon@wolves.k12.mo.us, AdamT@smginc.com, hackers@FreeBSD.ORG, rob@f-body.org
Subject:   Re: Token Ring for FreeBSD yet?
Message-ID:  <Pine.GSO.3.95-heb-2.07.980225102102.29821A-100000@csd>
In-Reply-To: <19980225165613.45832@freebie.lemis.com>

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On Wed, 25 Feb 1998, Greg Lehey wrote:

> On Wed, 25 February 1998 at  6:23:04 +0000, Terry Lambert wrote:
> >>   Yes, it is true.  16mbs token ring is quite fast.  Token-passing is a
> >> bit of problem with large numbers of stations.  Token networks make very
> >> efficient use of network bandwidth though.
> >
> > In fact, a token ring of N stations allows for N/3 - 1 simultaneous
> > tokens (minimum, one) so that you can have multiple packes in process
> > at once.
> 
> Ah.  I was basing my calculations on a single token.  Did 4 MB token
> ring have multiple tokens?

AFAIK no. 4mb token ring did not have early token release, which is what
makes multiple packets/ring possible. A transmitting station used to hold
the token until it got back the packet it transmitted.

> 
> Greg
> 
Nadav


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