The market for the four leading managed IP-based services has a current compound annual growth rate (CAGR) of 18 percent and is expected to deliver revenues of US $66 billion by 2012, according to a new study commissioned by Cisco and carried out by Ovum. These four services are managed metro Ethernet, managed Internet Protocol (IP) Virtual Private Networks (VPNs), managed IP voice and managed security.The multi-year study collected data from more than 1,300 individuals in companies using managed services in 14 countries across the Americas, Europe,...