/*
 * Copyright (c) 1999 Shie-Yuan Wang at Harvard University.
 * All Rights Reserved.
 *
 * Permission to use, copy, modify, and distribute this software and
 * its documentation is hereby granted (including for commercial or
 * for-profit use), provided that both the copyright notice and this
 * permission notice appear in all copies of the software, derivative
 * works, or modified versions, and any portions thereof, and that
 * both notices appear in supporting documentation, and that credit
 * is given to Harvard University in all publications reporting
 * on direct or indirect use of this code or its derivatives.
 *
 * Harvard University makes no representations about the suitability 
 * of this software for any purpose. It is provided "as is" without 
 * express or implied warranty.
 *
 * Harvard University encourages (but does not require) users of this
 * software to return any improvements or extensions that they make,
 * and to grant Harvard University the rights to redistribute these
 * changes without encumbrance.
 *
 * A paper describing the architecture, design, and implementation of 
 * Harvard TCP/IP network simulator by S.Y Wang and H.T. Kung is published 
 * in the IEEE INFOCOM'99 conference proceeding and can be fetched at
 * http://www.eecs.harvard.edu/networking. Reading that paper will help you 
 * understand this software. 
 *
 * Author: Shie-Yuan Wang <shieyuan@eecs.harvard.edu>
 * Harvard University
 * 07/01/99
 *
 * Note: S.Y. Wang will graduate from Harvard University in September 1999
 * and become an assistant professor of the department of computer science
 * and information engineering of National Chiao Tung University in Taiwan.
 * Enhancements to Harvard TCP/IP network simulator will be continued
 * at National Chiao Tung University.
 */