tcp: Fix an issue with fast convergence in Cubic

2020-05-13 19:18:44 +05:30
parent 810f92dfd1
commit 8783e5992b
1 changed files with 1 additions and 1 deletions
--- a/src/internet/model/tcp-cubic.cc
+++ b/src/internet/model/tcp-cubic.cc
@@ -397,7 +397,7 @@ TcpCubic::GetSsThresh (Ptr<const TcpSocketState> tcb, uint32_t bytesInFlight)
  /* Wmax and fast convergence */
  if (segCwnd < m_lastMaxCwnd && m_fastConvergence)
    {
-      m_lastMaxCwnd = m_beta * segCwnd;
+      m_lastMaxCwnd = (segCwnd * (1 + m_beta)) / 2; // Section 4.6 in RFC 8312
    }
  else
    {