so to rephrase the original question, although there is never more than one token on the ring, there can be more than one data/command frame...????
or am I totally missing the point ;-) Tim ""Priscilla Oppenheimer"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > Mike Mandulak wrote: > > > > Oops I forgot to cc my reply to the list again. but you're > > right. > > > > Here's what I sent him... > > Only one. However (there's always a however) the adapters can > > be configured > > to use ETR (early token release) which means that as soon as an > > adapter > > starts receiving a frame it can start transmitting its own data > > out the TX > > path while receiving the incoming frame. While that's not 2 > > tokens, it is 2 > > different frames on the wire at the same time. > > That's not really what it means, not that it matters much these days. ;-) > > With no early token release, a sending station must see its own frame come > back before it releases a free token that someone else can grab. > > With early token release (ETR), a sending station can release a token at the > end of its transmission, regarless of whether it's starting to receive its > own transmission yet. Someone else can grab the free token and turn it into > a frame. Hence, there can be more than one frame, as you say, but still only > one free token. > > It was all a bunch of marketing FUD really though. It would have to be a > physically very large network for the ETR feature to make any difference. On > typical networks, the sender was already getting back its own transmission > as it finished its transmission anyway. So it released a free token at about > the same time regardless if ETR was in use or not. But nobody cares any more > about the actual behavior. You just have to learn the theory. ;-) > > _________________________ > > Priscilla Oppenheimer > www.troubleshootingnetworks.com > www.priscilla.com > > > > > > ----- Original Message ----- > > From: "Ken Chipps" > > To: > > Sent: Sunday, September 22, 2002 9:37 PM > > Subject: Re: Token Ring fundamentals [7:53871] > > > > > > > One, unless early token release is in effect. Assuming I am > > remembering > > > my old Token Ring stuff right. > > > ""Tim Metz"" wrote in message > > > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > > > > While doing some token ring reading I realized that I have > > no idea how > > > many > > > > tokens can be on the ring at one time. > > > > > > > > > > > > > > > > anyone??? stupid question?? > > > > > > > > > > > > > > > > Tim Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=53998&t=53871 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
