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We are an AIX 5.3 TL8 SP3 shop running CIS5.6 Revision 2, multi-site configuration. To communicate among these sites, we use localhost bridges.
During our testing for CIS5.6 Rev2 (we migrated from CIS5.3 Rev2), we observed that using the auto-reply/resend feature for our localhost bridge connections (we had to drop the old recovery_33 procs), we lost messages when the threads and/or remote connections were shutdown or cycled. We had configured these bridges as Native TCP/IP for efficiency purposes. To get the messages in State 16 to persist over shutdown sequences, we had to re-configure them as PDL style.
We are in the midst of a project to identify tuning opportunities on our engines and we *think* that the Native TCP/IP would be more efficient in resources used (higher performer) than PDL style. To implement the Native option would require that we crank out a couple of reply/resend procedures however as auto-reply/resend would not work (based on our experience). Upgrading to CIS5.7 where this is fixed is not an option until next year for us (per management).
Question: based on your experiences when configuring localhost bridges among multiple sites, do you use Native or PDL TCP/IP?
Your feedback would be most welcome.
Thanks in advance.
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