gistfile1.js

var http = require('http');
var qtd = process.argv[2] || 1;
for (var i = 0; i < qtd; i++) {
  http.get({host:'zonetti.jit.su', port:80, path:'/', agent:false}, function(res){
    res.on('data', function(d){
    }).on('end', function(){
      console.log('respondeu ao cliente #'+i);
    });
  });
}