Lew Tucker, who was CTO of Sun's cloud initiative and was pretty much untouched by the cloud-aborting Oracle, has been hired by Cisco as CTO of its cloud effort, a brand new job with broad pull-it-together remit that reports to Cisco CTO Padmasree Warrior and Service Provider Group boss Tony Bates. In a previous life he led the design and implementation of salesforce.com's App Exchange arguably one of the largest cloud computing success stories so far. He thinks networks need to be more programmable.