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Re: [emergency-if] EM INFRASTRCUTURE RECOMMENDATIONS STATEMENT

  • 1.  Re: [emergency-if] EM INFRASTRCUTURE RECOMMENDATIONS STATEMENT

    Posted 09-07-2004 17:50
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    Subject: Re: [emergency-if] EM INFRASTRCUTURE RECOMMENDATIONS STATEMENT


    A few things to add:
    
    - on one-way delivery of encrypted payloads which are secured by 
    conditional access (CA). There is no authentication involved between the 
    sender and receiver. Rather, the receiver can either perform 
    authentication in software, or via hardware device. In addition to this, 
    the authentication can be performed externally (in software or the 
    presentation layer software) or internally (software-based middleware or 
    on-chip/device/hardware/silicon algorithms).
    
    - under no control, in a one-way mechanism the payload can be sent to 
    everyone regardless of their subscription status.
    
    - wireless should include satellite connectivity
    
    - satellite and radio/tv multiplexed signals only fall under cell nets 
    in the following cases: for satellite, location-sensitive spot-beam and 
    location-sensitive VSAT. For tv, only if the transmitter on multiple 
    stations is sending the same data signal. The closest these could be 
    would be a 'virtual mesh network'. For all intent purposes they are 
    always a star network.
    
    - the correct term for subscription control would be subscriber 
    management system (SMS).
    
    - receiver acknowledgement doesn't have to be immediate - it can be 
    cached locally and synced periodically with the operations center.
    
    Cheers
    Kon
    


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