This 5th edition succeeds prior symposia held at the following locations:

• NOCS'10, held in Grenoble, France, in 2010.
• NOCS'09, held in San Diego, CA, USA, in 2009.
• NOCS'08, held in Newcastle, UK, USA, in 2008.
• NOCS'07, held in Princeton, NJ, USA, in 2007.
• The initial Networks-on-Chip Workshop held in conjunction with DATE 2006 in Munich, Germany in 2006.