Scalable Highly-available Resilient UDP Service using IPVS and smart client

The problem

We wanted a service that collects datapoints pass them to some backend to be queried later. We don’t want to bock senders of data or reduce their speed waiting their data to be submitted.

We have made a version of this service that is exposed via UDP, the service respond with “1” to acknowledge client that datapoint is received successfully because UDP unlike TCP have no acknowledgment.

Although UDP is much lightweight compared to TCP-based (including HTTP), it’s

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