net-big-write.js

var net = require('net');

var N = 100;
var S = 1024 * 1024;

var server = net.createServer(function(conn) {
  conn.pipe(conn);
  conn.on('error', console.error);
});
server.listen(1234, function() {
  net.createConnection(1234, function() { write(this) });
});

var n = 0;
function write(conn) {
  console.log(n);
  if (++n < N) {
    conn.write(new Buffer(S), function() { write(conn) });
  } else {
    conn.destroy();
    server.close();
  }
}