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Dear authors, I have one question, which came into my mind reading Appendix D. In section D.1.2, I read " Usage of grouping of media lines [RFC3388] to determine which media lines should or should not be included in a RTSP session is unspecified." Earlier in the Appendix, I read " However ,the SDP extension "Grouping of Media Lines in the Session Description Protocol (SDP)" [RFC3388] may provide such functionality depending on need. Also future grouping semantics may in the future be developed." What does it mean? Is SDP grouping allowed to be used with this spec? If not, then there might be an issue with respect of using the RFC 5583 decoding dependency signaling required for multi flow transmission of layered codecs such as SVC. Thanks, Thomas -- Thomas Schierl -------------- Fraunhofer HHI Joerg Ott wrote: Folks, |