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Chapter 9. Measuring the cost of OSA, Linux, and z/VM networking
Chapter 9. Measuring the cost of OSA, Linux, and z/VM networking
In this chapter, we look at the relative cost of various networking and routing options when running Linux as a z/VM guest. Topics include:
Comparing the CPU time cost of routing
The effect of bandwidth on routing costs
QDIO optimizations for z/VM
Memory costs associated with QDIO
Comparing CPU cost by network type
