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Discovery One is the name of the cluster of machines hosting activities.sugarlabs.org. Activities.sugarlabs.org is a system for encouraging developers of different skill levels to cooperatively develop, edit, and distribute learning activities for the Sugar Platform.

Discovery One is the name of the group of machines running activities.sugarlabs.org. Activities.sugarlabs.org is a system for encouraging developers to cooperatively develop, edit, and distribute learning activities for the Sugar Platform.

This section of the wiki is about setting up and maintaining the infrastructure.  For information about using and and improving activities.sl.o please see [[Activity_Library| Activity Library]].  

This section of the wiki is about setting up and maintaining the infrastructure.  For information about using and and improving activities.sl.o please see [[Activity_Library| Activity Library]].  

===Design===

===Design===

The prime design characteristics of a.sl.o are scalability and availability.  As the a.sl.o userbase grows, each component can be scaled horizontally, across multiple physical machines.

The prime design characteristics of a.sl.o are security, scalability and, availability.  As the a.sl.o user base grows, each component can be scaled horizontally, across multiple physical machines. The additional physical machines will provide room for VMs to provide redundant services

As of November 2009 activities.sl.o is server 500,000 activities per month using two machines located at Gnaps.  The proxy(green) is on treehouse and the rest(red) is on sunjammer.

As of November 2009 activities.sl.o is serving 500,000 activities per month using two machines located at Gnaps.  The proxy(green) is on treehouse and the rest of the stack(red) is on sunjammer.

[[Image:Aslo1.png]]

[[Image:Aslo1.png]]