Return-Path: william@bourbon.usc.edu
Delivery-Date: Sat Oct 25 14:35:17 2008
X-Spam-Checker-Version: SpamAssassin 3.2.3 (2007-08-08) on merlot.usc.edu
X-Spam-Level: 
X-Spam-Status: No, score=-2.3 required=5.0 tests=AWL,BAYES_00 autolearn=ham
	version=3.2.3
Received: from bourbon.usc.edu (bourbon.usc.edu [128.125.9.75])
	by merlot.usc.edu (8.14.1/8.14.1) with ESMTP id m9PLZGI7022474
	for <cs551@merlot.usc.edu>; Sat, 25 Oct 2008 14:35:16 -0700
Received: from bourbon.usc.edu (localhost.localdomain [127.0.0.1])
	by bourbon.usc.edu (8.14.2/8.14.1) with ESMTP id m9PLjiLD003689
	for <cs551@merlot>; Sat, 25 Oct 2008 14:45:44 -0700
Message-Id: <200810252145.m9PLjiLD003689@bourbon.usc.edu>
To: cs551@merlot.usc.edu
Subject: Re: CS551: Final Project: join distance
Date: Sat, 25 Oct 2008 14:45:44 -0700
From: Bill Cheng <william@bourbon.usc.edu>

Someone wrote:

  > So Does it mean that, the distance can be a negative number?

No.  Would you say that the numeric difference between 3 and 5 is -2?
--
Bill Cheng // bill.cheng@usc.edu <URL:http://merlot.usc.edu/william/usc/>


  On Sat, Oct 25, 2008 at 8:43 AM, Bill Cheng <william@bourbon.usc.edu> wrote:
  > Someone wrote:
  >
  >  > If node A sends join request to node B then, in the join response which node
  >  > B sends, the distance field will be absolute(location A - location B),
  >  > correct ?
  >
  > The spec says:
  >
  >    The distance is simply the numeric difference between the
  >    location  of this node and that of the joining node.
  > --
  > Bill Cheng // bill.cheng@usc.edu <URL:http://merlot.usc.edu/william/usc/>