The need for such a product may seem obvious today but back in the early 1990s Digital Equipment Corporation (who published VAX/VMS as it was known at the time) had an internal policy favoring their own product called DECnet.
It may appear obvious now that such a product exists, but back in the early 1990s, Digital Equipment Corporation (which released VAX/VMS), had a policy favoring their own network technology called DECnet.