Cisco Unfurls its Tetration Data Center Analytics Platform
David Goeckeler is now GM of the Networking and Security Business Group at Cisco.
David Goeckeler is now GM of the Networking and Security Business Group at Cisco.
Tetration Analytics, which gathers telemetry from Nexus 9K switches and server sensors, promises complete visibility.
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table sflow_ing_take_sample {Network visibility is one of the major use cases for P4 based switches. Improving Network Monitoring and Management with Programmable Data Planes describes how P4 can be used to collect information about latency and queueing in the switch forwarding pipeline.
/* take_sample > MAX_VAL_31 and valid sflow_session_id => take the sample */
reads {
ingress_metadata.sflow_take_sample : ternary;
sflow_metadata.sflow_session_id : exact;
}
actions {
nop;
sflow_ing_pkt_to_cpu;
}
}