June 2003
Intermediate to advanced
464 pages
10h 33m
English
We have covered communications inside the mainframe; let us now look at communications with the outside world. High-speed communications between the mainframe and external networks are primarily supported through these communication adapters:
Open Systems Adapter-Express (OSA-Express)
This TCP/IP-based adapter is important for server consolidation, because it is designed to communicate between a consolidated server environment (that uses virtual adapters and IP addressing) and the “outside world.” The OSA-Express adapter can use the QDIO architecture to provide direct connectivity between applications running in a Linux guest or Linux LPAR, and the other platforms on the attached network. The OSA-Express ...