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Asked: 2026-05-13T09:36:10+00:00

There is a data feed server receives feed from various clients by means of

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There is a data feed server receives feed from various clients by means of UDP,because the clients are pumping data so fast,the receiving buffer is very easily to get full if the server spends time on processing the received data,so

  1. Will it help that if the feed server
    just multicasts all data it received
    to the other servers on LAN which
    the data feed server has a second
    NIC connects to? Each of the other
    servers only picks up data it
    concerns to process and leave the
    other data to the other servers.
  2. If the incoming data still arrives
    too fast, is there any strategy to
    assure not losing any data?

Thanks.

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1 Answer

  1. Editorial Team

    Some strategies to try include

    • Ensure the receiving process does very little in the receive thread, simply read the data and post to an internal queue for processing on another thread – this should reduce the likelyhood of the receive buffer filling up
    • Include a sequence number in your message. If a receiver notices a missed message, it can re request it from the publisher. This re request will be very expensive but make the general case very quick. This assumes the publisher either keeps a reasonable amount of published messages in memory (to allow re requests) or persists them somewhere to cope with replay.
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