On Jan 23, 2013, at 7:41 AM, Russ White <[email protected]> wrote:
>> Indeed.  My point was not to draw RPKI into the solution space, or claim 
>> something about its goals.  I was just trying to illustrate that the wg has 
>> already invested (heavily) in systems and designs that are not semantically 
>> part of BGP.  It just seemed silly (imho) to start claiming that if 
>> something isn't part of BGP's semantics, we should treat it as taboo...
> 
> The problem is, of course, that a "route leak," is explicitly a part of
> BGP's semantics --on the filtering side of things. Communities, for
> instance, are very much a part of the semantics of BGP. They are used to
> filter routes and control the places where routes are advertised;
> therefore filtering is a part of BGP's semantics. Proving a route should
> not be advertised is as much a part of this problem as proving a route
> should be advertised --in fact, you can't really separate the two
> problems, though we've been trying to for years.
> 
> 
> "Securing the semantics of BGP," is just a convenient way to restrict
> the scope to BGP-SEC (SBGP), while being flexible enough to leave out
> the things BGP-SEC (SBGP) can't fix as well. We need to begin from the
> beginning, starting with a real requirements document with real
> requirements framed in a way actually designed to protect the operation
> of BGP from the perspective of intent, rather than operation.


> I'll say
> it again (to be ignored again): all security is about intent.

I'm not ignoring it.  :-)  In fact, I'll +1 it.  

-shane


> 
> Russ
> 
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