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Scenario 4

VORTEXjdbc, VORTEXaccelerator on Solaris, and GENESISsql ADABAS C on MVS

In Scenario 4, a JDBC client application running on Windows connects to an ADABAS C database server on MVS, using VORTEXaccelerator on Solaris. The components, URLs, user names and passwords are all examples. You must substitute the correct values for your own site.

This scenario is very helpful for Web based applications that need to access legacy databases such as ADABAS C. The VORTEXaccelerator serves as a connection multiplexer and provides fast connections to the legacy system.



 »  VORTEXjdbc
 »  connection URL for Drivermanager.getConnection():


 »  machine name: myaccel
 »  machine operating system: Solaris
 »  VORTEXnet

Server (MVS)

 »  machine name: myadabas
 »  machine operating system: MVS
 »  VORTEXnet  »  GENESISsql


Before you begin, the VORTEXnet evaluation kit, which includes the daemon and driver, must be installed in /usr2/trifox/bin on Solaris and on the MVS system as directed in the Installation Guide. The VORTEXaccelarator must have been configured on Solaris. This is a complex procedure that must be completed first.
  1. The VORTEXdaemon, vtxnetd, is started on myaccel as:
    vtxnetd -p1958 &
  2. When Drivermanager.getConnection() is executed, a message is sent via the socket (port 1958) to vtxnetd to start up vtxhost.mux. This message registers the client application with VORTEXaccelerator.
  3. When the JDBC application attempts its first SQL operation, the message is sent to VORTEXaccelerator which then starts up a vtxslav.net. This process then sends a message to VORTEXserver on MVS to start a connection to GENESISsql.
  4. GENESISsql then connects to ADABAS C. vtxslav.net remains connected to GENESISsql until VORTEXaccelerator stops or the VORTEXaccelerator daemon detects that the connection has been used in the allocated time and signals vtxslav.net to release.

© 1985-2020 Updated 30 Mar 2010.