Hardware level operations. iWARP lacks useful
operations such as hardware level multicast and broadcast.
These operations, if supported, can be utilized in
applications with MPI collectives and also media streaming
services. iWARP does not support such operations primarily
because the underlying TCP protocol is not able to handle
multicast and broadcast operations. An extension of iWARP
to datagrams will boost iWARP’s position as a leading
solution for high performance Ethernet. Next section
presents our proposal for such an extension