Ultra Low Latency WireDirect™ for Queue Pair, UDP With Multicast and Packet Tracing Applications WireDirect™ technology consists of three main software modules that enable direct wire access from user space to the Chelsio Terminator Series (T4 and T5) network adapters with complete bypass of the kernel. They are: WD-QP (Queue Pair), WireDirect UDP (WD-UDP) with Multicast, and WireDirect Trace (WD-