Re: Key Identification RE: [LinkSec] Requirements
Tony Jeffree wrote:
>
> At 10:46 16/12/2002 +0200, antti.pietilainen@nokia.com wrote:
>
> >As we know, 802.3ah has an identifier, namely logical link ID (LLID)which
> >could be used as the required identifier. Of course, LLID is specific to
> >EPON. Therefore, I use this opportunity to express an opinion that, for
> >instance, point-to-point links in subscriber access netwokrs do not
> >require encryption because they consist of separate, safely installed
> >wires (that is the law) and soundly configured Ethernet switches. EPON, on
> >the other hand, needs encryption desperately.
>
> ...But interestingly, by the same argument, EPON would only need encryption
> from the OLT to the ONUs, as traffic from ONUs to OLT is point-to-point and
> could therefore be left in clear.
>
> Regards
> Tony
>
When I was (much) younger, with poorer judgement, I used to clip a
home-made
telephone onto other peoples phone wires, accessible via the local
"66-block in a steel cabinet". I'd suggest that out in the wilds of
urban sprawl, you need encryption all the way up to the house.
--
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Marcus Leech Mail: Dept 8M70, MS 012, FITZ
Advisor Phone: (ESN) 393-9145 +1 613
763 9145
Security Architecture and Planning Fax: (ESN) 393-9435 +1 613
763 9435
Nortel Networks mleech@nortelnetworks.com
-----------------Expressed opinions are my own, not my employer's------