HTTP/2 multiplexing

<div class="n-demo"><div class="n-head"><strong>ONE CONNECTION · THREE STREAMS</strong><span>LIVE TRACE</span></div><div class="n-stage"><div class="mux"><div class="mux-row"><span>A</span><i id="m0"></i></div><div class="mux-row"><span>B</span><i id="m1"></i></div><div class="mux-row"><span>C</span><i id="m2"></i></div><div class="mux-wire">shared TCP connection</div></div></div><div class="n-foot">tap to step · auto replay</div></div>

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