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QoS Issues Outline Besides the list of issues #196, #212 & #214 (discussed subsequent slides) which are primarily related to control, configuration (and text clarification) of QoS policies and parameters related to STA-WTP mobile traffic – we have The issue (not on tracker?) related to Should QoS enforcement be extended to WTP-AC data traffic path – DTLS encrypted or not? The question (of applying a QoS priority to) to control path as well. Discussion 2.1.1 specifies QoS division of labor as follows, in split-MAC Classifying @ AC scheduling @ WTP/AC Queuing @ WTP Are there any control message elements sensitive to ordering or latency Between themselves? Between themselves and data-frame dispatches? Regardless of both we have a replay-prevention problem to solve (Puneet et al) DTLS in the control path (when management frames to AC may have to be colored) DTLS in the data-path Intermediaries end up reordering packets by priority |