[ns] Special Issue on Underwater Sensor Networks in (JSAN)

=== Journal of Sensor and Actuator Networks (JSAN) Special Issue Underwater Sensor Networks http://www.mdpi.com/journal/jsan/special_issues/usn Deadline for manuscript submissions: 30 September 2014

[ns] Installing two versions of ns

Hi,  It is possible to install two versions of ns in same machine with no problem ? I have installed ns2.34, can i install also ns3 ? My OS is Ubuntu 12.04LTS Thank you.