Re: Terminology: Router, gateway?

>A router is a machine that "routes" packets from one interface to one
> or more other interfaces.

A router can have one interface only. Even with only one address. A router
usually has a routing table with one or more entries.
Gateway and Router is two words for the same thing.

/Lars

----- Original Message ----- 
From: "Jay R. Ashworth" <[email protected]>
To: <[email protected]>
Sent: Wednesday, May 05, 2004 8:34 PM
Subject: Re: [BAWUG] Terminology: Router, gateway?


> On Wed, May 05, 2004 at 11:24:32AM -0700, John D. Blair wrote:
> > A router is a machine that "routes" packets from one interface to one
> > or more other interfaces.
> >
> > A gateway is a router that connects a subnet (like your home LAN) to an
> > external network (like the Internet).
>
> Traditionally, router and gateway were exactly synonymous; anyone
> ascribing more precise semantics to either is asking for trouble.
>
> That said, gateway often refers to a box which connects two networks
> but does *not* route packets; AT&T's famous 'application layer gatwaye'
> from the Bellovin book is the canonical example.
>
> Cheers,
> -- jra
> -- 
> Jay R. Ashworth
[email protected]
> Member of the Technical Staff     Baylink                             RFC
2100
> The Suncoast Freenet         The Things I Think
> Tampa Bay, Florida        http://baylink.pitas.com             +1 727 647
1274
>
>         "They had engineers in my day, too."  -- Perry Vance Nelson
> _______________________________________________
> BAWUG's general wireless chat mailing list
> [unsubscribe] http://lists.bawug.org/mailman/listinfo/wireless
>
>

_______________________________________________
BAWUG's general wireless chat mailing list
[unsubscribe] http://lists.bawug.org/mailman/listinfo/wireless