docs: function start( next ) {
  	/* jshint validthis:true */
  	cnt += 1;
  
  	this.rid = process.pid + ':' + cnt;
  
  	this.start = null;
  	this.end = null;
  	this.timer = null;
  
  	this.req = {
  		'opts': this._opts,
  		'body': this._body
  	};
  	this.res = {
  		'status': null,
  		'headers': null,
  		'body': null,
  		'bytes': 0
  	};
  
  	next();
  }