1.1 --- a/doc/contributing.txt	Thu May 17 11:32:22 2007 +0200
     1.2 +++ b/doc/contributing.txt	Sat Jul 04 08:15:48 2009 +0200
     1.3 @@ -1,7 +1,13 @@
     1.4 -
     1.5  Contributing to the ns-3 project
     1.6  --------------------------------
     1.7  
     1.8 +ns-3 is an open source project backed by an NSF CISE CRI grant. 
     1.9 +Although the NSF PIs have specific aims to fulfill, we want others to 
    1.10 +contribute, and we'd like to have a broad community of users and 
    1.11 +developers, with the goal of a self-sustaining project downstream. 
    1.12 +The project is currently in a bootstrapping phase, but we welcome 
    1.13 +ambitious developers who might want to help shape the early design.
    1.14 +
    1.15  Despite the lack of a formal contribution process to the ns-3
    1.16  project, there are a number of steps which we expect every
    1.17  potential contributor to follow. These naturally stem from 
    1.18 @@ -46,8 +52,12 @@
    1.19      also expect model authors to act as responsible maintainers
    1.20      and be reactive to bug reports concerning their models.
    1.21  
    1.22 -  - you should make sure that you understand that contributed
    1.23 -    models should be licensed under the GPLv2. You do not have
    1.24 -    to assign your copyright to the ns-3 project but you must
    1.25 -    accept the terms of the GPLv2. See the following link:
    1.26 +  - The project has decided upon GNU GPLv2 as the licensing structure. 
    1.27 +    All simulation software in the ns-3 repositories will be GNU GPLv2 
    1.28 +    or GNU GPLv2-compatible (with non-GPLv2 licensing reserved for
    1.29 +    ports of pre-existing code under a different license, such as BSD).
    1.30 +    You do not have to assign your copyright to the ns-3 project but
    1.31 +    you must accept the terms of the GPLv2 and attest that your 
    1.32 +    contributions can be licensed under those terms.  See the 
    1.33 +    following link:
    1.34      http://www.fsf.org/licensing/licenses/info/GPLv2.html