Re: Re: Encryption control of SNDU

["William StanisLaus" <williams77@rediffmail.com>]

Hi,
     L2 scrambling is used only for Conditional Access System, i.e. settop boxes.. correct me if i'm wrong.
MPEG IP payload can be well protected by any standard L3 encryption algorithms as said by alain.

Best Regards,
William.


On Wed, 25 Feb 2004 alain.ritoux@6wind.com wrote :
>
>
>Tarif.Zein-Alabedeen@space.alcatel.fr wrote:
>
>>
>>Hi every body
>>
>>The current ULE draft does not address the issue of SNDU encryption which
>>we think is important.
>>In fact, a requirement has been identified in IP/MPE/MPEG to allow, when
>>necessary, data encryption at MPE level. Some IP/MPE/MPEG products already
>>implement this capability (e.g. Alcatel 9780)
>>Encryption is controlled using the 'payload scrambling control' field (2
>>bits) in the MPE header.
>
>I fail to see why we would need an L2 encryption to carry IP/IPv6
>traffic, when IPsec/IKE is already defined including encryption,
>authentication, key distribution and all that kind of stuff.
>Would it not be re-inventing the (rather complex) wheel ?
>
>Regards.
>Alain.
>-- Alain RITOUX
>Tel +33-1-39-30-92-32
>Fax +33-1-39-30-92-11
>visit our web http://www.6wind.com
>