networking scenarios

[Polychronis Ypodimatopoulos]

Dafydd Harries wrote:
> This is something which was not completely clear to me until I talked to Wad
> about it the other day, and I think other people might find it useful. It
> should probably go on the wiki (assuming it isn't already there somewhere). I'd
> like some feedback about where it belongs. The closest thing I've found is this
> page:
>
>   http://wiki.laptop.org/go/Scenario_taxonomy
>
> Any errors are my own.
>
> There are four networking scenarios:
>
>  - simple mesh
>    - no access point
>    - no school server
>    - we are currently aiming to support up to 15 laptops in this case
>   
We are beyond 15 laptops in the simple mesh scenario. I am consistently 
testing "simple mesh" with 30 laptops and we are aiming for more than 
50. Scaling the "simple mesh" somewhere between 50 - 100 laptops may 
have significant impact on the (potential need for) other scenarios.

Pol

>  - simple WiFi
>    - access points
>      - which tend not to handle multicast very well (1Mbit/s peak)
>    - no school server
>    - this is what G1G1 laptops will tend to encounter
>    - typically in the developed world
>  - school mesh
>    - no access point
>    - school server with Jabber server
>  - school WiFi
>    - access points
>    - school server with Jabber server
>      - only one server at a time
>    - this is what is deployed in Peru
>
> Our current priority in terms of collaboration is to improve supprt for the
> fourth case, as this is the situation most of our existing laptops are
> deployed in, and it's likely that upcoming deployments will be similar. Our
> secondary priority is improving support for the second case, as this is what
> will tend happen when laptops are taken home from school.
>