IBM Z Software


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z/TPF Product Family

Showing 436

SCTP (stream control transmission protocol) support for zTPF

our member endpoint platforms and CISCO equipment in the network currently support SCTP. They feel this protocol would make the network more resilient to carrier issues to endpoint connections. They are currently performing a POC with SCTP connect...
almost 10 years ago in z/TPF Product Family / z/TPF 2 Not under consideration

FIND & HOLD (FINHC) and FIND HOLD & WAIT (FIWHC) additional exit points & WAIT

Applications don't always know held records status and need additional guidance. For both FIWHC (and FINHC macros) - add an additional new exit. In the execution of FIND and it's been determined the record is HELD in this processor's hold table - ...
about 5 years ago in z/TPF Product Family / z/TPF 3 Not under consideration

RequestSupport multiple SSL certificates based on the URL name.

Under current INETD SSL server model, all customer URLs have to be included in a single certificate if default HTTPS port number is used. Obtaining and maintaining multiple customer domains in a single certificate is very difficult task for severa...
about 5 years ago in z/TPF Product Family / z/TPF 1 Not under consideration

Request options to suppress SSL HANDSHAKE ERRORs on the TPF console.

SSL HANDSHAKE ERRORs on the console can occur as frequently as 2 messages per minute. When a client accesses the HTTPS server using an uncertified URL or an IP address those error messages are generated on the console. For SSL servers with many cl...
about 5 years ago in z/TPF Product Family / z/TPF 1 Not under consideration

ZMOWN should track core usage and track high water marks

1Mb frame usage and 4K frame usage is not included in ZMOWN statistics. This means that ZMOWN is unable to provide a breakdown of use these critical system resources by owner name. This information would provide critical insight in trouble shootin...
about 10 years ago in z/TPF Product Family / z/TPF 4 Not under consideration

CPSE program check manual dump

In order to get more information on a CPSE program check the customer is requesting that as part of this process the code branch tothe manual dump routine an attempt to take the dump.
about 10 years ago in z/TPF Product Family / z/TPF 2 Not under consideration

Reduce CPU overhead from format-2 global keypointing

The ZMOWN performance collector shows 92% of CPU cycles on an idle VPARs are consumed by CGL9 to perform format-2 global keypointing every second.The source of this overhead is an EVNTC/POSTC/DLAYC loop used by the parent CGL9 ECB to wait for its ...
about 10 years ago in z/TPF Product Family / z/TPF 2 Not under consideration

Eliminate unnecessary resource usage by CDC on VPARs test systems

TPF Control Program creates an ECB every second to check the Continuous Data Collection status in the ICDCCNTL global record.Even if CDC is disabled the global record is updated with a timestamp so must be keypointed every second, also the localti...
about 10 years ago in z/TPF Product Family / z/TPF 2 Not under consideration

snapc and wtopc baseless

Customer is asking that both the snapc and wtopc macro be made baseless to support application that are being written with baseless in mind. Here's an example of an application error.00001364 28768+ DS 0H Align @411.074 01-SNAPC00001364 AF02 0000 ...
over 10 years ago in z/TPF Product Family / z/TPF 2 Not under consideration

ECBRM to limit z/TPF File System INODE usages

We have a limited number of #INODE blocks in the system. A run-away ECB may try to create thousands of files, in a relatively short time period, on File System directories up to the point where INODE shortage can cripple all others interacting wit...
about 5 years ago in z/TPF Product Family / z/TPF 7 Not under consideration

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