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From BiCEP

== System Architecture == [[Image:9ticks_SystemArchitecture_v01.png|System Architecture]] === Presentation Tier === * '''Web Server''' * '''Web Service Provider''' — provides third-party applications with a way to access this system (as well our mobile device application) === Business Tier === * '''Scheduler''' — orchestrates all the business process * '''Query Engine''' — allows the user to perform queries and apply filters to historic information * '''CEP Engine''' — allows the user to define alert rules * '''Crawler''' — polls each source for update in a timely manner ** '''Collector''' — concurrent/distributed polling mechanism ** '''Adapter API''' — provides the interface shared by all source adapters === Data Tier === * '''Master / Scheduler''' — schedules, replicates and routes requests through data nodes * '''Lock Service''' — low level locking mechanism * '''Data Nodes''' — represents each place were data is stored == Data Source == [[Image:9ticks_DataSource_v01.png|Data Source]] This diagram represents the base structure of the 9ticks data organization. It is "relational database"-oriented and '''must not''' be seen as the final architecture. It will be surely needed a '''less normalized''' and '''distributed''' approach.

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