Reliable Datagram Sockets (RDS) is a high-performance, low-latency reliable connectionless protocol for delivering datagrams. It is developed by Oracle Corporation.
It was included in the Linux kernel 2.6.30 which was released on 9th of June, 2009. The code was contributed by the OpenFabrics Alliance (OFA).
On the 19th of October, 2010, VSR announced a vulnerability  within the Linux 2.6.30 kernel which could result in a local privilege escalation via the kernel's implementation of RDS.