Proposed herein are techniques that make use of an extended Quick UDP Internet Connection (QUIC) PATH_CHALLENGE frame to perform dynamic path selection operations within a 5G Wi-Fi/cellular network to optimize end-to-end performance. The techniques presented herein expands the capabilities of the current PATH_CHALLENGE function, as defined in the Internet Engineering Task Force (IETF) QUIC drafts. The additional information gathered as part of the PATH_CHALLENGE and the PATH_RESPONSE frame are used to understand path characteristics and dynamically optimize traffic flows accordingly.
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Jeuk, Sebastian; Salgueiro, Gonzalo; and Hanes, David, "PATH INFORMATION-DRIVEN QUIC PATH_CHALLENGE TO OPTIMIZE PATH SELECTION IN 5G NETWORKS", Technical Disclosure Commons, (December 20, 2018)