on 05-15-2019 6:11 PM
In my trainings, I often got questions about the impact of SNC and/or TLS encryption. The usage of SNC for DIAG and RFC communication results in a higher CPU consumption thus a performance impact.
However, we know due to today's CPUs and connection speeds, performance problems are barely noticeable. I remember poorly connected field offices (ISDN) which had more disconnections when enabling the SNC / TLS encryption. But these times are long gone.
Nevertheless, it would be helpful if there were already investigations about what impact SNC (QoP 3) brings on CPU / system performance and network (traffic, latency-times…). With SNC DIAG and RFC are encapsulated at the network level within SNC frames, and thus the protocol stack will certainly have a larger overhead compared to plain DIAG / RFC. Are there reliable numbers for this?
I have a vague idea of reading the %-impact on performance, especially CPU and network traffic increase once "somewhere". For reliable sources of information, preferably from SAP itself, many customers and I would certainly be very grateful! 🙂
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