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Re: [ITPOLITIK] Telenor kalt inn på teppet - Vil selge internettrafikk



Hej Per.

Flere aarsager.

Foerst og fremmest manglende forstaaelse for multicast da de byggede deres IP-netvaerk. Manglende ekspertise.

Dernaest angst for om deres edge-udstyr faktisk kan klare multicast i stoerre stil.

Dernaest er der virkelig mange DSLAMer (ADSL) der er pecificeret forkert uden understoettelse af layer 3 multicast replication.

Sidst men ikke mindst, angst for om multicast er en aand i flasken man ikke kan lukke igen, hvis kunderne opdager, hvad multicast kan bruges til.

Hvis individuelle brugere begynder at multicaste, kan vi faa et web2-system helt uden for TDCs kontrol og det gaar jo ikke. Et teleselskab er per tradition topstyret. Taenk hvis folk multicaster til hinanden uden om en topstyret gateway....tsk tsk tsk, det gaar virkelig ikke.

Se nu bare hvor mange problemer det giver med aflytning og logging af mail at SMTP/DNS-baseret mail med udveksling direkte mellem afsender og modtager i slutningen af halvfemserne vandt over den topstyrede X.400 mailstandard udviklet af teleselskaberne. X.400 var en taabelig kontroldroem fra Teleselskaber, hvor kun lande og en haandfuld multinationale selskaber maatte sende email til hinanden. Alle andre skulle sende til deres ISP som skulle sende til landets gateway. Ud over at det altid fejlede saa var det jo et privacy-nightmare.

P



Per Riber wrote:
Hej Peter,

Kender du årsagen til, at TDC foretager denne blokering?

Har du et eksempel på en URL, som jeg kan bruge til at tjekke?


mvh Per, TDC-kunde


 
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