Reliable Data Protocol

The Reliable Data Protocol is a network transport protocol defined in and was updated in . It is meant to provide facilities for remote loading, debugging and bulk transfer of images and data.
The Reliable Data Protocol is an IP protocol, on the same layer as TCP and UDP. It is number 27 in the list of [IP protocol numbers].
Similar to TCP, the Reliable Data Protocol is connection oriented, but, contrary to TCP, it does not require sequenced delivery of segments.
The Reliable Data Protocol has not gained popularity, though experimental implementations for BSD exist.