The International Workshop on Optimal Network Topologies is focussed on  problems related to the design and analysis of large networks. The topics of the workshop include:

1. •Degree/Diameter Problem
   

2. •Connectivity
   

3. •Cycles and Factors in Graphs
   

4. •Large Graphs and Digraphs
   

5. •Graph Labeling
   

6. •Spectral Techniques in Graph Theory
   

7. •Communication Networks
   

Previous editions of IWONT were held in Plzeň, Czech Republic (IWONT 2007)  and in Ballarat, Australia  (IWONT2005).