The source files in NS contain a number of different copyrights and software licenses from various individuals and institutions. In 2005, the code base was relicensed to a collection of GNU GPL compatible, free software licenses. See http://www.gnu.org/philosophy/license-list.html for a collection of definitions of these terms. Note: See also the LICENSES file in this directory regarding the software licenses.. To find copyright types: find . -print | xargs grep Copyright | \ awk '{print $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12;}' | \ sed -e 's/199./XXXX/g' -e 's/200./XXXX/g' | sort | uniq Copyright holders include: - Free Software Foundation, - Regents of the University of California, - Intel Corporation, - Sun Microsystems, Inc., - Xerox Corporation, - Gaeil Ahn, - Mingzhou Sun, - Protocol Engineering Lab, University of Delaware, - University of Southern California - USC/ISI - International Computer Science Institute - Nortel Networks - Pierre L'Ecuyer, - Samsung/CUNY, - Tom Kelly, University of Cambridge - Trustees of Boston University, - John Heidemann, - University of Virginia, - Samsung Advanced Institute of Technology, - Gray Watson, - Digital Equipment Corporation, - Carnegie Mellon University, - University of North Carolina at Chapel Hill - StarBurst Communications, Inc.