>I believe that Mark is right in saying that Microsoft originated the
>extensions to bootp and implemented leases in their clients and servers
>to cope when IP addresses first started to be in short supply - hence
>the "D" for "Dynamic". Fortunately, the protocol was reasonably well
>designed, backwards compatible with bootp and adopted as an RFC - unlike
>other "standards" (e.g. SMB) which MS feel free to break at will.

Let's have a look at the RFCs that define DHCP shall we?

RFC2131:

8. Author's Address

      Ralph Droms
      Computer Science Department
      323 Dana Engineering
      Bucknell University
      Lewisburg, PA 17837

RFC2132:

14. Authors' Addresses

   Steve Alexander
   Silicon Graphics, Inc.
   2011 N. Shoreline Boulevard
   Mailstop 510
   Mountain View, CA 94043-1389

   Ralph Droms
   Bucknell University
   Lewisburg, PA 17837

M$ may have been in the DHC WG, but so were heaps of other parties.

The D was designed into DHCP right from the start. Leases are implied in
the protocol. It's usually not the shortage of IP addresses that is the
driving factor (for a private subnet you could take 10.0.0.0/8), but the
automated address management.

The commendable thing that M$ did was to adopt DHCP instead of giving us
winbootp or something like that.

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