MAN Requirements The key requirements for the MAN access module of DaO sites are • Security - A layer of firewalls) must separate the site from the MAN • High Availability - this translates in requirements for the MAN access links, the firewalls, which maybe clustered, and the switching infrastructure • Performance - The links should be able to sustain a high level of traffic, Differentiated traffic, both real-time and critical traffic, keep latency to a minimum. Assumption • MAN will carryall types of traffic including WAN, Internet and Voice • Solution might be owned by the agencies and or provided by a network service provider. • Wireless technology might require a license