Posted on TCP Retransmissions Calculator Total Data Transfer (MB): MSS (bytes): Number of Retransmissions: Calculate % Retransmissions Typical Enterprise Retransmission Values LAN (Wired): < 0.1% WAN (Internet/MPLS): < 1% Wireless: < 2% VoIP: < 1% (recommended) Video: < 1% (recommended) < 150ms one-way delay and < 30ms jitter (VoIP/Video)