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Direct Telemetry Access [article]

Jonatan Langlet, Ran Ben Basat, Sivaramakrishnan Ramanathan, Gabriele Oliaro, Michael Mitzenmacher, Minlan Yu, Gianni Antichi
2022 arXiv   pre-print
RDMA is a transport protocol that bypasses the CPU and allows extremely high data transfer rates.  ...  Yet, RDMA is not designed for telemetry collection: it requires a stateful connection, supports only a small number of concurrent writers, and has limited writing primitives, which restricts its data aggregation  ...  Shown above is the collection work breakdown of Confluo, the state-of-the-art collector for high-speed networks.  ... 
arXiv:2202.02270v1 fatcat:pmo6l6jamngdpcv4b5bkpuwtzy

PINT: Probabilistic In-band Network Telemetry [article]

Ran Ben Basat, Sivaramakrishnan Ramanathan, Yuliang Li, Gianni Antichi, Minlan Yu, Michael Mitzenmacher
2020 arXiv   pre-print
Commodity network devices support adding in-band telemetry measurements into data packets, enabling a wide range of applications, including network troubleshooting, congestion control, and path tracing  ...  We analyze PINT and prove performance bounds, including cases when multiple queries are running simultaneously. PINT is implemented in P4 and can be deployed on network devices.  ...  We thank the anonymous reviewers, Jiaqi Gao, Muhammad Tirmazi, and our shepherd, Rachit Agarwal, for helpful comments and feedback.  ... 
arXiv:2007.03731v1 fatcat:dboeprazk5b47oebkvxhh2zub4