Background on Transaction Processing

TP systems that existed during 1990

1. IMS http://www-306.ibm.com/software/data/ims/

2. CICS and LU 6.2

3. Guardian 90( Tandem Guardian, TMF, Pathway and Nonstop SQL and Expand) Now part of HP

4. DECdta (Digital's Distributed Transaction Processing Architecture) Now part of HP
http://www.hpl.hp.com/hpjournal/dtj/vol3num1/vol3num1art1.pdf

5. X/Open DTP, OSI-TP, CCR(http://pavg.stanford.edu/rapide/examples/xopen/)

6, Universal Transaction Monitor(UTM) on Siemens Nixdorf main frames with BS2000 Operating Systems

7. ADABAS TPF( Software AG)http://www1.softwareag.com/corporate/products/adabas/default.asp(now a pure DB)

8. Encina( Transarc Corporation, a subsidary of IBM)Encina OTS is part of IBM’s TXSeries, which includes Encina and Distributed CICS for secure, high-volume transaction processing. In addition to TXSeries, Transarc develops and markets DFS, a global file system and TXSeries

9. Tuxedo (AT&T now with BEA)
http://www.bea.com/framework.jsp?CNT=index.htm&FP=/content/products/tux/