1, The full form of IETF is Internet Engineering Task Force. It’s used on Associations & Organizations ,Technological Organizations in Worldwide

The Internet Engineering Task Force (IETF) is an international community consists of Internet administrators, designers, vendors, researchers, and individuals interested in the evolution of the Internet architecture, and is responsible for improvement of the Internet technology protocols and standards. The mission of the IETF is to make the Internet work better by producing high quality, relevant technical documents that influence the way people design, use, and manage the Internet.

2, The full form of IETF is International Engineering and Technology Fair. It’s used on Regional ,Festivals & Events in India

International Engineering and Technology Fair is national event with participation of players from Indian Engineering Industry.