
Chapter 4. Networking Overview 93
Recommendations
Given the complexity of managing a point-to-point network within a z/VM system,
we do not recommend it as a solution. When it was the only topology we had
available to communicate among guests, obviously, it was acceptable. We now
recommend that you use one of the z/VM LAN technologies, Guest LAN or
VSWITCH.
4.5.1 Guest LAN
From z/VM V4.2 and later, the z/VM control program (CP) has been enhanced to
provide a feature known as
Guest LAN. This feature enables you to create
multiple Virtual LAN segments within a z/VM environment. As can be seen from
Figure 4-17 on page 94, Guest LANs do not have a ...