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>There were people who said the ISO networking stack was
>much better than TCP/IP
I asked Marshall Rose about this. He is one of the best "protocol
wonks" in the world. As one of his accomplishments, he did a very
comprehensive open source implementation of the ISO protocols known as
ISODE; here's one of the release announcements (note the date of the
I asked him about denial of service attacks and he said "clnp/tp4
doesn't contain any security advances over ip/tcp." He then added
"in one sense, an OSI-based Internet would be more secure against DDoS:
there would certainly be fewer servers, desktops, and routers, and they
would be running much, much slower..."
BTW, the Internet's end-to-end principal makes it architecturally
possible to have mutually authenticated communicating endpoints. Search
for "RSVP IETF" and you can see that years ago real time delivery
guarantees and QoS was possible, too. If TCP/IP is 80/20, then it's at
least an 80/20 unlike most others in that: *its architecture allows the
last 20% to be done.* VoIP might be a driver for real QoS.
I don't know what GE engineers you spoke with, but it appears to me that
they were showing off and deriding something they didn't fully understand.
"Once the rockets go up
who cares where they come down?
That's not my department,"
says Werner von Braun.
Rich Salz, Chief Security Architect
DataPower Technology http://www.datapower.com
XS40 XML Security Gateway http://www.datapower.com/products/xs40.html
XML Security Overview http://www.datapower.com/xmldev/xmlsecurity.html