• Corpus ID: 15782087

In-band Network Telemetry via Programmable Dataplanes

@inproceedings{Kim2015InbandNT,
  title={In-band Network Telemetry via Programmable Dataplanes},
  author={Changhoon Kim and Anirudh Sivaraman and Naga Praveen Kumar Katta and Antonin Bas and Advait Abhay Dixit and Lawrence J Wobker},
  year={2015}
}
In-band Network Telemetry (INT) is a new abstraction that allows data packets to query switch-internal state such as queue size, link utilization, and queuing latency. We prototype INT in the recently proposed P4 language using a software switch as the implementation platform. We then show how INT can be used to diagnose performance problems such as intermittent latency spikes. Instructions to replicate our demo are available at http://git.io/sosr15-int-demo 
web.mit.edu
245 Citations
Highly Influential Citations
36
Background Citations
146
Methods Citations
88

Figures from this paper

245 Citations

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This demonstration presents TCP-INT, which delivers network telemetry directly to the hosts and shows the advantages of correlating end-host state with the state of the network fabric.

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Passive In-Band Network Telemetry Systems: The Potential of Programmable Data Plane on Network-Wide Telemetry

This work describes and compares other P4-based in-band passive telemetry proposals, and compares them to the In-Band Network Telemetry specification proposed by the P4 Language Consortium.

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This paper presents an INT architecture for the UDP and discusses its design and implementation in Open Network Operating System (ONOS) controller, and is believed to be the first INT monitoring system in ONOS.

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A kernel-based infrastructure and eBPF-based APIs for INT are designed and developed that provide flexible telemetry gathering, real-time access to data for end-hosts, and includes last-mile telemetry, which gives a new dimension for TCP performance optimization.
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