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Conference ufhis::siemens_communication

Title:Siemens Connectivity
Notice:FTSIE Contact is Michael Eisenhut @MUC 865-1487
Moderator:UFHIS::MEISENHU
Created:Tue Aug 30 1988
Last Modified:Mon Feb 19 1996
Last Successful Update:Fri Jun 06 1997
Number of topics:195
Total number of notes:512

146.0. "Siemens patch for flow control problem" by BIKINI::DITE (Phase V makes ~~~ OK!) Fri Sep 18 1992 16:03

Siemens BS2000 has seemingly fixed another OSI Transport problem that was often
observed when 9750 Terminal Emulation programs such as the INTEGRATA MEPOSI SW
was installed. 

Problem description:
--------------------
When default parameters were set in VOTS users always experienced delays in the
reaction time when using the 9750 emulation running over VOTS. A typical
work-around was to set the Credit Window in VOTS to 1. 

What was actually happening was that Siemens, due to a local flow control 
problem, was witholding the next DT-TPDU to be sent till such time as Siemens 
received the corresponding AK-TPDU. This was always particularly aparent when
the user started or terminated an application. Setting the credit to 1
always meant that VOTS answered immediately therefore hiding Siemen's problem.

Solution:
Please ask Siemens to install the following REP (Siemens speak for Patch)
A0149160 

Hope this helps
John
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