Datagrams delayed

I hava a request to receive datagrams in client mode, the server sends datagrams in high speed.

There is a problem received datagrams in the client not currently sent by the server, there is delay of several seconds.

I think that this risk associated with a large datagramconnection RCVBUF. SocketConnection, a setSocketOption() of the method that allows you to configure the connection RCVBUF there. Is there the same method for DatagramConnection?

Even on a PC with ethernet connection, it is possible to have a few seconds late, although this is unusual... it is generally no more than 200mS, and if it's local, it will generally under 10 ms.

Over the air, a few seconds is not unreasonable at all. When streaming audio, there is usually a buffer that is used it is therefore preferable to use the api that is there to send as audio stuff like who takes care of all that. Also remember that you use Java, which isn't the fastest API in the world, but the speed of access to data should be negligible compared to the speed of connection.

Just make sure that you are now the connection and does not connect for each segment of data.

Simply just a loop where you're read everything that is available in your input buffer and returns the number of bytes read. The size of transmission on the server, you should have a loop of similar transmission. In typical socket connections if a loop is in front of the other, the nature of the algorithm must work themselves to in sync mode.

i.e. If you send a single segment and wait for it to be received, you may have a delay of a few seconds, but if you stream, you could read a single segment while the other is sent, so the second piece may be no delay.

You see a very slow speed when you do it in a loop as shown?

I guess what I'm saying is that while I expect a longer period for the first reading, I expect to be much faster for the second, so the overall bandwidth, it's what you need to measure.

Good luck.

-Donald

Tags: BlackBerry Developers

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