Connection Collisions

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2 total messages Started by Bobby Krupczak Mon, 11 Feb 1991 15:46

#1118

Author: Bobby Krupczak
Date: Mon, 11 Feb 1991 15:46

18 lines
1125 bytes

Hi!

I was wondering if the problem of connection collisions exists in ISO/TP0/2/4?

Let me explain.  When I say connection collision, I mean that two processes
try to connection with each other simultaneously.  If both processes are
in a syncronous connection request, and a collision occurs, both processes
will hang waiting on the other to accept.  I know that one possible way to 
avoid collisions is through asynchronous connect calls.

But, I am wondering if the all powerful ISO Transport protocol will recognize
this collision and return a connection to both processes.

Any answers will be greatly appreciated

Thank you

Bobby

Re: Connection Collisions

#1120

Author: harald.alvestrand
Date: Tue, 12 Feb 1991 14:11

13 lines
1158 bytes

According to my belief, the "all powerful OSI transport protocol" will decide
that two people are wanting a connection, so two connections should be granted.
There is even a special identifier within the protocol to distinguish PDUs
on two different transport connections from each other when they use the same
network connection.
The idea of call collision causing a single connection is strictly a
TCP/IP idea.


                   Harald Tveit Alvestrand
Harald.Alvestrand@elab-runit.sintef.no
C=no;PRMD=uninett;O=sintef;OU=elab-runit;S=alvestrand;G=harald
+47 7 59 70 94

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