scope:

Purpose of This Order.

a. This order advises the Federal Aviation Administration (FAA) acquisition workforce that telecommunication companies are discontinuing Time Division Multiplexing (TDM) telecommunications services. This order provides guidance on the FAA's plans to standardize the use of Ethernet interfaces and the Internet Protocol (IP) for ground-to-ground, air-to-ground, intra- and inter-facility communications, for both voice and data.

b. This order directs Program Offices, and others responsible for FAA systems and applications, to undergo a TDM-to-IP assessment. This order applies to all system owners and Program Offices for all systems and services that use telecommunication services. This assessment will be conducted by Communications, Information & Network Programs (AJM-31), with support from the affected domain system owner and associated Domain Roadmap Lead, who can be identified by contacting NAS Enterprise Planning & Analysis Division (ANG-B2). NAS domain systems that are currently under development must coordinate their architecture and technology plans with ANG-B2. Operational NAS, Mission Support, and Research and Development domain systems and applications affected by this policy, that are not planning near-term improvements, will also work with AJM-31 and ANG-B2 to assess the impacts of converting their systems. The outcome of the assessments must show the specific impacts of conversion and note them as distinct line items when combined with other funding requests to the Joint Resources Council (JRC) or Capital Investment Team (CIT). As of the effective date of this order, all provisioning of new services should be based on IP services.