I found this article on Foreignpolicy.com earlier today. Its very interesting how the author compares Iran's structure and actions to that of the Soviet Union. After reading the article, I did agree with some points on how the two states are related, but overall I think the comparison is mis-characterized. The ideologies are different, capabilities different, and situation international politics are vastly different. Some points made, however, could be helpful for policy makers in that they have the same potential to work; as making long-term policy commitments rather than just short-term pressure.
Page 2 is where the comparison points are listed.
Here's the article