[ih] ARPANET pioneer Jack Haverty says the internet was never finished

[Vint Cerf]

multicast would have been useful if people wanted to record and playback,
but CDNs and unicast proved to be faster to implement.
v


On Thu, Mar 3, 2022 at 3:02 PM Noel Chiappa via Internet-history <
internet-history at elists.isoc.org> wrote:

>     > From: Michael Grant
>
>     > The address space (224.0.0.0 to 239.255.255.255) was very small, I
>     > never understood how that was supposed to work in a global context.
>
> The whole Internet is an _experiment_ that grew out out of control. Some
> aspects (e.g. the moving of connection state into the endpoints) works
> well.
> Some of it has been bodged into working (e.g. the addressing and routing
> architecture). Multicast is another experient, one that was 1/4-baked - and
> the addressing shows that.
>
>     > From: Guy Almes
>
>     > The problem is the enormous hidden costs of doing it at the IP layer.
>     > In contrast, there are many successful examples of applications that
> do
>     > Multicast, but at the application layer.
>
> I always thought that it was a mistake to try and do multicast completely
> integrated into the internet layer. It made a lot more sense to me to do it
> as a sub-layer on top of the internet layer, using multicast distribution
> nodes: logically/architecturally seperate, but perhaps co-located in
> switching nodes in implementations. (The way Van's fast TCP had the
> logically
> separate IP and TCP layers integrated in the actual implementation.)
>
> I also thought that it would better to have separate namespaces for the
> groups (i.e. to name their members), and to identify their distribution
> trees. All OBE, of course. As has been observed, the Internet has gotten
> too
> large to evolve.
>
>         Noel
> --
> Internet-history mailing list
> Internet-history at elists.isoc.org
> https://elists.isoc.org/mailman/listinfo/internet-history
>


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