Re: send and receive a large byte[] over network?

Daniel Pitts <>
Thu, 06 Dec 2007 18:36:49 -0800
Lew wrote:

Daniel Pitts wrote:

knguyen wrote:


Would anyone please suggest me a solution to send/receive a large
byte[] (about 300.000 elements) over network? Currently, I am


300k isn't that large. I would suggest using an OutputStream, and
simply writing the array to that stream. If you need to break it up
into smaller chunks, OutputStream allows you to do that.

That's 300k elements - what is the size of an element?

A 1-kB element would mean a 300 MB transfer. That's an hour's transfer.

Maybe torrent?

If you aren't in a huge hurry and just want to keep your TCP/IP pipe
free, snail-mail a CD. (If it's a LAN, sneaker-net the CD.)

byte[] = new byte[300000]; // 300k elements.
Even at 5k/s, thats only one minute.

Even a 300MB transfer on modern connections is around 5 minutes.

In any case, opening a socket, and writing to it is probably the best
approach. If you need the ability to resume after disconnect, you might
look into using FTP or some similar protocol. Or, create your own
simple protocol.

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