iana/www.rfc-editor.org/rfc/rfc4695.txt: C.2.2.1. The anchor Sending Policy .................104 iana/www.rfc-editor.org/rfc/rfc4695.txt: loop", "open-loop", and "anchor". iana/www.rfc-editor.org/rfc/rfc4695.txt: ch_never, and ch_anchor parameters configure the semantics of iana/www.rfc-editor.org/rfc/rfc4695.txt: ch_anchor: See Appendix C.2.3 for usage details. iana/www.rfc-editor.org/rfc/rfc4695.txt: "anchor": Defined in Appendix C.2.2 of this memo. iana/www.rfc-editor.org/rfc/rfc4695.txt: ch_anchor: See Appendix C.2.3 for usage details. iana/www.rfc-editor.org/rfc/rfc4695.txt: "anchor": Defined in Appendix C.2.2 of this memo. iana/www.rfc-editor.org/rfc/rfc4695.txt: ch_never, and ch_anchor parameters modify these definitions, as iana/www.rfc-editor.org/rfc/rfc4695.txt: o Appendix C.2 describes the journalling system (ch_anchor, iana/www.rfc-editor.org/rfc/rfc4695.txt: normatively define three sending policies: anchor, closed-loop, and iana/www.rfc-editor.org/rfc/rfc4695.txt: We define three symbolic values for j_update: "anchor", to indicate iana/www.rfc-editor.org/rfc/rfc4695.txt: that the stream uses the anchor sending policy, "open-loop", to iana/www.rfc-editor.org/rfc/rfc4695.txt:C.2.2.1. The anchor Sending Policy iana/www.rfc-editor.org/rfc/rfc4695.txt: In the anchor policy, the sender uses the first packet in the stream iana/www.rfc-editor.org/rfc/rfc4695.txt: as the checkpoint packet for all packets in the stream. The anchor iana/www.rfc-editor.org/rfc/rfc4695.txt: The anchor policy does not require the use of the RTP control iana/www.rfc-editor.org/rfc/rfc4695.txt: The main drawback of the anchor policy is bandwidth efficiency. iana/www.rfc-editor.org/rfc/rfc4695.txt: streams, the bandwidth overhead of the anchor policy is often iana/www.rfc-editor.org/rfc/rfc4695.txt: bandwidth of a stream, relative to the anchor policy. iana/www.rfc-editor.org/rfc/rfc4695.txt: policy, and that are also not able to use the anchor policy because iana/www.rfc-editor.org/rfc/rfc4695.txt: use the ch_anchor parameter (defined in Appendix C.2.3) to protect iana/www.rfc-editor.org/rfc/rfc4695.txt: all MIDI command types that are not shielded by ch_anchor and iana/www.rfc-editor.org/rfc/rfc4695.txt: implementations of the closed-loop (Appendix C.2.2.2) and anchor iana/www.rfc-editor.org/rfc/rfc4695.txt: o ch_anchor. A chapter assigned to the ch_anchor MUST obey a iana/www.rfc-editor.org/rfc/rfc4695.txt: controller number MUST be made to the ch_default or ch_anchor iana/www.rfc-editor.org/rfc/rfc4695.txt: ch_anchor=P; ch_anchor=C7.64; iana/www.rfc-editor.org/rfc/rfc4695.txt: ch_anchor=__7E_00-7F_09_01.02.03__; iana/www.rfc-editor.org/rfc/rfc4695.txt: ch_anchor=__7F_00-7F_04_01.02__ iana/www.rfc-editor.org/rfc/rfc4695.txt: controller numbers are assigned to ch_anchor. Note that the ordering iana/www.rfc-editor.org/rfc/rfc4695.txt: of the ch_anchor chapter C assignment after the ch_never command acts iana/www.rfc-editor.org/rfc/rfc4695.txt: cm_used assignment codes the exception, and the ch_anchor assignment iana/www.rfc-editor.org/rfc/rfc4695.txt: recovery journal with the closed-loop or the anchor sending policies. iana/www.rfc-editor.org/rfc/rfc4695.txt: and the closed-loop or anchor sending policies. Servers SHOULD use iana/www.rfc-editor.org/rfc/rfc4695.txt: anchor sending policies. These streams MUST use the stream iana/www.rfc-editor.org/rfc/rfc4695.txt: param-assign =/ ("j_update=" ("anchor" / "closed-loop" / iana/www.rfc-editor.org/rfc/rfc4695.txt: param-assign =/ ("ch_anchor=" (([channel-list] chapter-list