Updates for the September 2025 edition

The September 2025 edition (SC34-2752-09) contains changes compared to the previous SC34-2752-08 edition.

New information

Starting with IBM® z17 ™ and IBM LinuxONE 5, virtual switches can be based on the Network Express adapter, see Example: Open vSwitch with Network Express.
The performance chapter now lists how to improve PCI passthrough performance with guest IOMMU passthrough, see Improve PCI passthrough performance with guest IOMMU passthrough

Changed Information

None.

This revision also includes maintenance and editorial changes. Technical changes or additions to the text and illustrations are indicated by a vertical line to the left of the change.

Deleted Information

None.