[Chicago-talk] How reliable is UDP.

Randal L. Schwartz merlyn at stonehenge.com
Tue Jul 12 10:38:13 PDT 2005

>>>>> "Richard" == Richard Reina <richard at rushlogistics.com> writes:

Richard> I am in the process of writing a short program in
Richard> which a  server sends small amounts of info to local
Richard> clients (on a LAN).  I do not need the bi-directional
Richard> communication offered by TCP, however, I would like
Richard> the communication to be reliable.

In order to know that the data got there, you need feedback.
That's "bi-directional".

So you've just contradicted yourself.

If you want to know it got there, use TCP.  If it doesn't matter if
every packet gets dropped when the net gets full, use UDP.

Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095
<merlyn at stonehenge.com> <URL:http://www.stonehenge.com/merlyn/>
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