The Russian ministry of defense published presentation slides from the missile defense conference that was held in Moscow on May 3-4, 2012 (thanks to Eugene Miasnikov for the link). No big surprises there - Russia's position on missile defense has been well known. This slide, however (from the presentation by the Chief of General Staff), does look interesting - it shows how Russia sees its "sectoral defense" proposal.

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As can be seen from the slide, the idea of the proposal is to make sure that Russian ICBMs are out of reach of NATO missile defense interceptors. According to Russia's estimates, this would mean that NATO won't be able to protect some of its territory - the Baltic states, parts of Poland, most of Norway. These would fall in Russia's "sector" of responsibility. Most of Sweden and Finland (which are not in NATO) would be protected by Russia.