There is a new problem statement for RDMA over IP.
Discussion is welcome on the RDMA over IP mailing list at
A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : RDMA over IP Problem Statement
Author(s) : A. Romanow et al.
Filename : draft-romanow-rdma-over-ip-problem-statement-00.txt
Pages : 17
Date : 21-Feb-02
This draft describes the problem that copying in network I/O
typically causes high system costs in end-hosts at high speeds.
The problem is due to the high cost of memory bandwidth, and it can
be substantially improved using 'copy avoidance.' The high overhead
has prevented TCP/IP from being used as an interconnection network,
and instead special purpose memory-to-memory fabrics have been
developed and widely used. An IP-based solution, developed within
the IETF, is desirable for interoperability of various network
fabrics. It is also particularly important for the IETF to guide
the standardization because interconnection technology will soon
start to be used over the wide area in the Internet
A URL for this Internet-Draft is:
There will be a BOF for RDMA over IP (ROI) at the next IETF, scheduled for
Tuesday March 19 13:00-14:00. The announcement is at
The BOF agenda is subject to change.
There will be a proposed charter available for discussion later this week at