[Edited Message Follows] Hi, I'm wondering if FDio has the following capabilities, I've also added my current understanding of each:
I'm working on obtaining telemetry information for a certain type of traffic, but due to computation power, we do not want to add telemetry data to all packets. My understanding is that FDio adds it to a classified traffic, which for our case, will only decrease network performance. Is it possible to add telemetry every second (or so) or to every Nth packet. I understand that we can add telemetry for traffic based on traffic class, flow label, source/destination addr, or protocol, but I'm unsure to if we can do it to a sample of packets only. I believe you can also delete classifications at runtime, so I think one way this can be done is if we add a classifying table + session for a given traffic flow and remove it every so often, then add it again. Another idea is to perhaps run an eBPF in optimized hardware (like a smart switch/router), before reaching the vpp. This will take care of the classification, but since eBPF runs in the kernel and vpp bypasses it, it's not possible? Does anyone have an example/tutorial for iOAM with IPv4 packets? I know IPv4 needs to be encapsulated and GRE is preferred. I have not found any examples for iOAM + IPv4 + GRE Thanks
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