[IAEP] Sugar network/ School Network (Laura Vargas)

[Tony Anderson]

Hi, Sebastian and Laura

Thanks, that clarifies things greatly.

Tony

On 05/20/2016 09:27 AM, Sebastian Silva wrote:
> El 20/05/16 a las 01:40, Tony Anderson escribió:
>
>> Hi, Laura
>>
>> I am sorry but that leaves me still unclear on the dependence on the
>> internet. If each machine becomes a node, why is it necessary for it
>> to be a server? Where is the main node? Where are the content resources?
>>
>> Tony
> Hi Tony,
>
> I can respond the more technical aspects. The node service provides the
> same API when running locally as it does when acting as a server. This
> is so that clients can interact with the Sugar Network even when
> completely disconnected. When a node is acting as server, it will
> synchronize content resources with nodes acting as clients. Each client
> node has a resource cache of limited size. For example, clients may
> choose to 'keep' a Sugar activity for using offline. Aleksey tweaked the
> node for performance under low memory and disk space conditions (even on
> XO1).
>
> The full set of content resources resides in the node acting as server.
> This is the only difference. Server nodes have been designed to sync
> with each other. Currently there is a node server running on
> node.sugarlabs.org, with a front-end running at
> http://network.sugarlabs.org/ . This node is what Laura calls the `main
> node`. It is running exactly the same software as we have on each XO,
> and currently provides service for thousands of XOs. We haven't worked
> directly in schools to deploy local server nodes, but conceivably, we could.
>
> Regards,
> Sebastian
> .
>