Chris, Gee whiz. Maybe I missed it. Where does it say that QNX is used in IOS? Or PIX?
It's not. Liberty for All, Brian At 10:01 AM 4/18/2002 -0700, Chris Kirschke wrote: >http://www.qnx.com/news/pr/may18_98-cisco.html > >Chris Kirschke >Lead Engineer >Astreya Partners, Inc >[EMAIL PROTECTED] >408-790-5900 xt 531 > > >-----Original Message----- >From: Clifford Thurber [mailto:[EMAIL PROTECTED]] >Sent: Thursday, April 18, 2002 9:36 AM >To: Brian Ford; Noonan Wesley; 'Mikael Olsson' >Cc: [EMAIL PROTECTED] >Subject: Re: Digital Legends (was: RE: Microsoft ISA server (Was: Re: >Replacingmy old PIX Classic)) > > >I don't have the link in front of me but I saw a news blurb that Cisco >licensced QNX in 1998? > > > >At 12:27 PM 4/18/2002 -0400, Brian Ford wrote: > >Wes, > > > >I don't know where you heard this legend about IOS running on some other > >OS.... It is not true. > > > >IOS is an operating system implemented directly on a hardware > >platform. There is no underlying operating system. Look at your IOS > >router for a "Boot Loader"; that's a small IOS kernel (and not a third > >party OS). > > > >PIX OS ran many, many, many years ago on top of a real time OS (Finesse) > >that was developed specifically for the hardware platform that the PIX > >used at that time. Today, the PIX OS runs directly on hardware (when you > >look at the actual PIX source code you sometimes see references to the old > >real time OS). > > > >You may be thinking of one of a number attempts (by third parties) to > >create a program that runs on Unix that can execute an IOS or PIX > >image. The latest attempt at something like that was the "IOU" (IOS On > >Unix) project. I don't know how far that ever got. > > > >This claim that either IOS or PIX is a version of Unix or running on Unix > >is becoming a kind of annual event. Maybe someone will claim that all > >Linux implementations actually runs on one copy of run-time Windows NT > >v4.0 next? > > > >Liberty for All, > > > >Brian > > > >At 08:15 AM 4/18/2002 -0700, [EMAIL PROTECTED] wrote: > >>Message: 6 > >>From: "Noonan, Wesley" <[EMAIL PROTECTED]> > >>To: "'Clifford Thurber'" <[EMAIL PROTECTED]>, > >> "'Mikael Olsson'" <[EMAIL PROTECTED]> > >>Cc: "'[EMAIL PROTECTED]'" <[EMAIL PROTECTED]> > >>Subject: RE: Microsoft ISA server (Was: Re: Replacing my old PIX Classic) > >>Date: Wed, 17 Apr 2002 09:12:38 -0500 > >> > >>A sizable chuck of Cisco (don't know for sure on the PIX, but I know on > >>their routers) runs an OS behind the scenes that is called Xenix, XNS, ZNS, > >>or something along those lines (I really don't recall the actual name). IOS > >>runs on top of that (is my understanding, kind of like how Banyan ran > on top > >>of Unix). My point was simply, if one is going to cast the "a firewall is > >>only as strong as the underlying OS" stone, they need to be prepared to > cast > >>that stone at virtually every firewall out there. It is hardly a ISA > >>specific issue (heck, FW1 runs on MS doesn't it?). > >> > >>Wes Noonan > >>[EMAIL PROTECTED] > >>281-208-8993 > > > >_______________________________________________ >Firewalls mailing list >[EMAIL PROTECTED] >http://lists.gnac.net/mailman/listinfo/firewalls _______________________________________________ Firewalls mailing list [EMAIL PROTECTED] http://lists.gnac.net/mailman/listinfo/firewalls
