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Communications Server

Showing 519

DupAck - Input and Output Out-of-order packets

It was noticed an abnormal ammount of "Dup acks" in TCP connections. Since the two end points of those connections are inside a datacenter (no external links) it usually means there are lost packets.Some traces (SYSTCPDA and SYSTCPOT) were capture...
over 4 years ago in z/OS / Communications Server 1 Not under consideration

zERT plugin to use Certificate for Authentication

As you know to connect to Db2 for zERT plugin we had to provide the ID / PASSWORD in clear text inside z/OSMF to get it connected initially but as we move along the solution to production environment (UTPLEX ) providing a password for a batchid is...
almost 3 years ago in z/OS / Communications Server 1 Not under consideration

ATTLS, like IPSEC, should offload encryption to ziip engines

IPSEC has offloaded the encryption processing to ziip processors, and ATTLS should do the same.
over 7 years ago in z/OS / Communications Server 2 Not under consideration

Enable zERT to Detect Partial/Failed Secure Handshakes

We would like an enhancement to zERT reporting that would detect a failed or otherwise incomplete SSL/TLS or SSH handshake/negotiation in order to distinguish it from a fully unencrypted connection. Right now zERT marks connections that failed to ...
almost 2 years ago in z/OS / Communications Server 1 Future consideration

Use more frequent commits when importing SMF data in to the zNA database to reduce Db2 resource consumption

Committing every 1000 inserts would be a good starting point This number needs to be customizable so we can adjust based on our needs as workloads and reporting needs change over time Our preferred solution to the lack of commits would be to use t...
about 1 year ago in z/OS / Communications Server 0 Future consideration

Debug EZZ8309I. Command to display DVIPA counters ---> List address spaces and their current allocation of DVIPA resources.

To support the "EZZ8309I Too many VIPAS" message a command is required to display the DVIPA statistical counters as well as to list address spaces and their current consumption of DVIPA resources. This would be a useful problem determination aid a...
almost 8 years ago in z/OS / Communications Server 1 Not under consideration

Provide new functionality to schedule the import of SMF data to the zNA database

Batch is the preferred method provide the ability to invoke a batch job to import data into the zNA database, outside of zNA, that can be submitted manually or scheduled via a job scheduler or some other scheduled process (i.e., daily) allow the b...
about 1 year ago in z/OS / Communications Server 0 Future consideration

zERT - Simple data import

With the current import UI for zERT one must specify all possible Datasets manually. If you have many Datasets it is very cumbersome to add all of them. Allow generic naming's to import for example.
over 4 years ago in z/OS / Communications Server 4 Future consideration

Send TCP/IP reply traffic over the same interface

Provide a way to force the TCP/IP Stack to send reply traffic over the same interface that the request came in on.
over 5 years ago in z/OS / Communications Server 0 Future consideration

Sysplex Distributor decisions monitoring

We consider to implement new settings of sysplex distributor for WAS and DDF workloads. According to manuals, in DISTRIBUTED mode it cooperates with WLM, which assigns weights to each DVIPA network address separately. https://www.ibm.com/support/k...
over 5 years ago in z/OS / Communications Server 2 Not under consideration

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