While most of the attention has been focused on new radio and getting more bits over the wireless interface, operators also need 5G to have new packet routing technology that will make better use of those bits and support new services including low-latency live media. The new technology is being developed in ETSI ISG NGP, which the author chairs, and is expected to be standardized by 2020. This paper outlines the likely main features of the new technology, which is partly developed from AES47 and AES51, and discusses how they will make it more appropriate than IP for audio networking.
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