The Reliable Datagram Sockets Protocol

modulename: rds.ko

configname: CONFIG_RDS

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>The Reliable Datagram Sockets Protocol
In linux kernel since version 2.6.30 (release Date: 2009-06-09)  
The RDS (Reliable Datagram Sockets) protocol provides reliable,
sequenced delivery of datagrams over Infiniband or TCP.

source code:
net/rds/