1<!-- Created with blockdiag from the source below: 2 3 seqdiag { 4 default_note_color = aliceblue; 5 6 client -> server [ 7 label = "start", 8 leftnote = "session_id\ntype=TRANSFER_START" 9 ]; 10 11 client <- server [ 12 noactivate, 13 label = "set transfer parameters", 14 rightnote = "session_id\noffset\nwindow_end_offset\ntype=PARAMETERS_RETRANSMIT\nmax_chunk_size\nchunk_delay" 15 ]; 16 17 client -\-> server [ 18 noactivate, 19 label = "requested bytes\n(zero or more chunks)", 20 leftnote = "session_id\noffset\ndata\n(remaining_bytes)" 21 ]; 22 23 client <-\- server [ 24 noactivate, 25 label = "update transfer parameters\n(as needed)", 26 rightnote = "session_id\noffset\nwindow_end_offset\ntype=PARAMETERS_CONTINUE\n(max_chunk_size)\n(chunk_delay)" 27 ]; 28 29 client -> server [ 30 noactivate, 31 label = "final chunk", 32 leftnote = "session_id\noffset\ndata\nremaining_bytes=0" 33 ]; 34 35 client <- server [ 36 noactivate, 37 label = "acknowledge completion", 38 rightnote = "session_id\nstatus=OK" 39 ]; 40 } 41 42--> 43<svg height="720" viewBox="0 0 585 720" xmlns="http://www.w3.org/2000/svg" xmlns:inkspace="http://www.inkscape.org/namespaces/inkscape" xmlns:xlink="http://www.w3.org/1999/xlink" style="background-color:white"> 44 <defs id="defs_block"> 45 <filter height="1.504" id="filter_blur" inkspace:collect="always" width="1.1575" x="-0.07875" y="-0.252"> 46 <feGaussianBlur id="feGaussianBlur3780" inkspace:collect="always" stdDeviation="4.2"></feGaussianBlur> 47 </filter> 48 </defs> 49 <title>blockdiag</title> 50 <desc></desc> 51 <rect fill="rgb(0,0,0)" height="558" style="filter:url(#filter_blur);opacity:0.7;fill-opacity:1" width="8" x="178" y="140"></rect> 52 <rect fill="rgb(0,0,0)" height="558" style="filter:url(#filter_blur);opacity:0.7;fill-opacity:1" width="8" x="370" y="140"></rect> 53 <polygon fill="rgb(0,0,0)" points="27,126 158,126 166,134 166,154 27,154 27,126" stroke="rgb(0,0,0)" 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