On Mon, Apr 04, 2011 at 08:22:42AM -0400, Danny McPherson wrote:
| 
| On Apr 4, 2011, at 4:32 AM, Hannes Gredler wrote:
| 
| > 
| > so my question is: "why do we need to solve the same problem
| > (= protecting message integrity) 2 times in different ways" ?
| 
| This new machinery simply introduces object-level integrity functions 
| in the application (i.e., BGP), it does nothing to ameliorate attacks 
| at lower layers - all those substrate attack vectors (e.g., transport 
| connection resets, injection or replay attacks) still exist and 
| require controls as well -- else things might break in even uglier ways 
| at higher layers.

still that does not answer my question: why do we need to solve the problem
of transport integrity twice (or to play devils advocate:
shall we encapsulate BGP into SSH up until something better than MD5
is available ;-))

/hannes
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