On Thu, 27 Apr 2000, Jack Lang wrote:
> I'm new to this, so I apologise if this has been discussed before. I am,
> however, very supportive of the effort.
It has.
> It seems to me that one of the things you are doing is replacing a
> routing/physical source address with a content-type descriptor. Now this
> raises a number of issues:
It replaces the physical address with a descriptor ("key"). The descriptor has
to have a value, but it does not have to be a "content-type". Currently they are
hashes of a descriptive string, but they can really be anything as long as it
is unique to the document.
> 1. A strong convention is needed for the descriptors, so that there is some
> chance of finding the content. I'm not sure that this can be left to chance,
> and maybe at least the top levels need to be defined - maybe something like
> the Dewey Decimal system.
It is not chance, the system self sorts. Give us credit for some intelligence...
> 2. Some way of finding out what content exists for a specific category, for
> example an intelligent search agent.
Not likely. See hundreds of posts on the topic. Topic search assumes topic
sorting, which makes the network susceptible to targeted attacks (knocking
out the nodes that hold certain topics). A possible proposal is to have a topic
sorted reference space on top of the current network, but that has not been
tried or evaluated.
> 3. Some form of discipline for the namespace. First-come-first-served has
> been a disaster for the web, and some mechanism is needed to prevent abuse,
> for example by flooding all of a category with placeholder documents.
Namespace stinks. Hypertext rules.
> 4. "distance" needs to take into account strength of the connection
Possibly, but only to the extent that it can be done without hurting 1.
> 5. Can streaming media be supported? If so how?
Possibly. It wouldn't be very fast though.
>
> Jack Lang
> Chief Technologist
> ntl:
>
>
>
>
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