WASHINGTON ( CNN ) -- Furious over Russia 's invasion of Georgia , the United States and its allies are weighing steps to diplomatically isolate Moscow as punishment for the conflict , senior administration officials said Tuesday . Russian soldiers take position during clashes in South Ossetia in Georgia on Monday . `` It is not business as usual anymore with the Russians , and there are consequences for doing what they are doing , '' one senior U.S. official said . Two senior administration officials said Tuesday that they could not speak for attribution because no final decisions had been made . But the United States will be discussing steps to take with its allies in the NATO alliance and the European Union , they said . The United States boycotted preparatory meetings Tuesday for a NATO meeting with Russia , and NATO has canceled a naval exercise with Russian forces in the northern Pacific . Washington and its allies also are discussing whether to drop Moscow from the Group of Eight industrialized economic powers , the official said . Russian President Dimitry Medvedev had pledged to strengthen Russia 's role in the international community and world economy . But the U.S. official said that Russia , in its current situation , has `` much more to lose '' than the Soviet Union did when it invaded Czechoslovakia in 1968 . `` Russia has one foot integrated into the international economy and community of states and one foot that is not quite in it , '' the official said . The Russians should consider `` whether they have n't achieved some tactical objectives at the expense of some strategic objectives , '' the official added . The United States has criticized the Russian move against Georgia , its ally , as `` disproportionate '' and demanded a cease-fire , to which French President Nicolas Sarkozy said both sides agreed late Tuesday . Watch Georgia 's president discuss the cease-fire » . `` I wanted to make very clear that the United States stands for the territorial integrity of Georgia , for the sovereignty of Georgia ; that we support its democratically elected government and people , and are reviewing options for humanitarian and reconstruction assistance to Georgia , '' Secretary of State Condoleezza Rice said Tuesday . `` But the most important thing right now is that these military operations need to stop . '' President Bush said Monday that Russia 's actions `` substantially damaged Russia 's standing in the world '' and `` jeopardized its relations '' with the United States and Europe . Russia 's ambassador to the United Nations , Vitaly Churkin , criticized the Bush administration for treating Georgian President Mikhail Saakashvili like `` a naughty child '' as fighting raged between the two nations . `` We are not happy with the way the United States has been behaving , especially the way the United States has been propping up Mr. Saakashvili over the past few years , '' Churkin said . Watch Churkin discuss the conflict » . However , the ambassador held out hope for restored relations . `` I hope we continue normal relations with the United States and the rest of the international community , '' he added . `` We have equal interests between the Russian Federation and the United States . We should look and try to resolve this international crisis . '' The cease-fire agreement calls on both Russian and Georgian forces to withdraw to positions held before August 6 . According to the second administration official , officials from several countries have told a variety of Russian officials , `` 'you know you can not stay , '' to which the Russian response is , `` 'we do n't want to stay . ' `` The official called this a `` good sign and encouraging sign '' but warned that the international community needed to send Russia a clear message against `` mission creep . ''
Official says no more ` ` business as usual '' with Russia , promises peace . U.S. boycotts military exercises ; NATO cancels naval exercises with Russia . Washington and its allies consider dropping Moscow from Gang of Eight .