Script updating gh-pages from 4b07e21. [ci skip]

draft-ietf-quic-recovery.html

@@ -1252,22 +1252,24 @@ <h2 id="rfc.appendix.A.6">
 
 
 UpdateRtt(latest_rtt, ack_delay):
+  if (smoothed_rtt == 0):
+    // First RTT sample.
+    min_rtt = latest_rtt
+    smoothed_rtt = latest_rtt
+    rttvar = latest_rtt / 2
+    return
+
   // min_rtt ignores ack delay.
   min_rtt = min(min_rtt, latest_rtt)
   // Limit ack_delay by max_ack_delay
   ack_delay = min(ack_delay, max_ack_delay)
-  // Adjust for ack delay if it's plausible.
+  // Adjust for ack delay if plausible.
   adjusted_rtt = latest_rtt
-  if (latest_rtt - min_rtt &gt; ack_delay):
+  if (latest_rtt &gt; min_rtt + ack_delay):
     adjusted_rtt = latest_rtt - ack_delay
-  // First RTT sample.
-  if (smoothed_rtt == 0):
-    smoothed_rtt = latest_rtt
-    rttvar = latest_rtt / 2
-  else:
-    rttvar_sample = abs(smoothed_rtt - adjusted_rtt)
-    rttvar = 3/4 * rttvar + 1/4 * rttvar_sample
-    smoothed_rtt = 7/8 * smoothed_rtt + 1/8 * adjusted_rtt
+
+  rttvar = 3/4 * rttvar + 1/4 * abs(smoothed_rtt - adjusted_rtt)
+  smoothed_rtt = 7/8 * smoothed_rtt + 1/8 * adjusted_rtt
 </pre>
 <h2 id="rfc.appendix.A.7">
 <a href="#rfc.appendix.A.7">A.7.</a> <a href="#on-packet-acknowledgment" id="on-packet-acknowledgment">On Packet Acknowledgment</a>

draft-ietf-quic-recovery.txt

@@ -1523,22 +1523,24 @@ Internet-Draft             QUIC Loss Detection                April 2019
 
 
    UpdateRtt(latest_rtt, ack_delay):
+     if (smoothed_rtt == 0):
+       // First RTT sample.
+       min_rtt = latest_rtt
+       smoothed_rtt = latest_rtt
+       rttvar = latest_rtt / 2
+       return
+
      // min_rtt ignores ack delay.
      min_rtt = min(min_rtt, latest_rtt)
      // Limit ack_delay by max_ack_delay
      ack_delay = min(ack_delay, max_ack_delay)
-     // Adjust for ack delay if it's plausible.
+     // Adjust for ack delay if plausible.
      adjusted_rtt = latest_rtt
-     if (latest_rtt - min_rtt > ack_delay):
+     if (latest_rtt > min_rtt + ack_delay):
        adjusted_rtt = latest_rtt - ack_delay
-     // First RTT sample.
-     if (smoothed_rtt == 0):
-       smoothed_rtt = latest_rtt
-       rttvar = latest_rtt / 2
-     else:
-       rttvar_sample = abs(smoothed_rtt - adjusted_rtt)
-       rttvar = 3/4 * rttvar + 1/4 * rttvar_sample
-       smoothed_rtt = 7/8 * smoothed_rtt + 1/8 * adjusted_rtt
+
+     rttvar = 3/4 * rttvar + 1/4 * abs(smoothed_rtt - adjusted_rtt)
+     smoothed_rtt = 7/8 * smoothed_rtt + 1/8 * adjusted_rtt
 
 A.7.  On Packet Acknowledgment
 
@@ -1563,8 +1565,6 @@ A.7.  On Packet Acknowledgment
 
 
 
-
-
 Iyengar & Swett         Expires October 15, 2019               [Page 28]
 
 Internet-Draft             QUIC Loss Detection                April 2019