Peace can happen in an instant.. Certainly a year is long enough to sort things out. Bigger, more difficult matters have been settled in less time for G-d's sake. If both sides would cease from thinking of themselves as the center of the universe and get down to business, there's no reason why this can't work.
Syrian troops sieze village above rebel-held parts of Aleppo (Reuters)
from the article: U.S. official: Obama 'very pleased' with outcome of Mideast peace summit