A special interest group formed of the MPLS Forum, Frame Relay Forum, and ATM Forum.The MFA Forum is a not-for-profit special interest group of manufacturers, vendors, carriers and others with interests in the development and promotion of multi-vendor, multi-service packet-based networks, associated applications, and interworking solutions. The emphasis, clearly, is on MPLS, frame relay, and ATM solutions. See also ATM, frame relay, and MPLS.