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In this article we present the on-going standardization work related to the Next Generation Network (NGN) standardization. Several standardization organizations are working on different aspects of NGN, such as Internet Engineering Task Force (IETF), Institute of Electrical and Electronics Engineers (IEEE) and 3 rd Generation Partnership Project. We present the current work and status of each standardization organizations and provide a use-case type example of the use, benefits and relations of the NGN research. To achieve the visions of next generation networks presented by e.g. International Telecommunication Union (ITU) an efficient usage of the upcoming standards as well as coordination between standardization bodies are needed.