Updated: Akamai has just announced that it is buying Red Swoosh, a peer-to-peer based service for about $15 18.7 million in stock. That’s not that much for a start-up that counts some heavy weights as its customers. The rumors of this deal had been floating around for about two months and Travis Kalanick of Red Swoosh has been avoiding us for a while now, ever since we asked him about the deal. An