In RiOS v7.0 or later, the packet mode optimization feature can optimize TCP IPv6 and UDP IPv4 traffic. When you use packet mode optimization, the SteelHead applies the same SDR and LZ data streamlining techniques to UDP or TCP IPv6 packets. Packet mode optimization achieves data reduction rates similar to TCP IPv4 traffic.

RiOS v8.5 or later expands support of packet mode optimization to include TCP IPv4 and UDP IPv6 traffic. In addition, connection or flow reporting for packet mode optimization is greatly enhanced. To optimize TCP IPv4 or UDP IPv6, the client-side and server-side SteelHeads must run RiOS v8.5.