Chapter VI. WD-UDP
Introduction
Chelsio WD-UDP (Wire Direct-User Datagram Protocol) with Multicast is a user-space UDP stack
with Multicast address reception and socket acceleration that enables users to run their existing
UDP socket applications unmodified.
It features software modules that enable direct wire access from user space to the Chelsio
network adapter with complete bypass of the kernel, which results in an ultra-low latency Ethernet
solution for high frequency trading and other delay-sensitive applications.
1.1.
Hardware Requirements
Supported Adapters
The following are the currently shipping Chelsio adapters that are compatible with Chelsio WD-
UDP driver:
T62100-CR
T62100-LP-CR
T6425-CR
T6225-CR
T6225-LL-CR
T580-CR
T580-LP-CR
T540-CR
T540-BT
T520-CR
T520-LL-CR
T520-BT
T420-CR
T440-CR
T422-CR
T404-BT
T440-LP-CR
T420-LL-CR
T420-CX
1.2.
Software Requirements
Linux Requirements
Currently the WD-UDP driver is available for the following versions:
RHEL 7.5, 3.10.0-862.el7
Chelsio Unified Wire for Linux
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