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 Almost whole communication goes through **Broker** and ZeroMQ messaging middleware. When **Web app** wants to execute submission then all datas are handed over to **Worker** through **Broker**, similar situation is with progress state which start in **Worker** goes through **Broker** then pass **Monitor** and end up in **Web app** (as WebSockets). Only part of communication, which does not include **Broker**, is communication with **File server** which is realized through HTTP commmunication. This communication can be initiated by **Web API** or by **Worker**, other services have no access to **File server**. Detailed view into communication is on separate page [[Communication]].
 
-## Worker
-
-**Worker's** main role is securely execute given submission and possibly _evaluate_ results against model solutions provided by submitter. **Worker** is logicaly divided into two parts:
-- **Listener** - listens and communicates with **Broker** through [ZeroMQ](http://zeromq.org/). It receives new jobs, communicates with **Evaluator** part and sends back results or progress.
-- **Evaluator** - gets jobs to evaluate from **Listener** part, evaluate them (possibly in sandbox) and get to know to other part that evaluation ended. This part also communicates with **Fileserver**, downloads needed files and uploads detailed results.
-
-**Worker** after getting evaluation request has to:
-
-- Download the archive containing submitted source files and configuration file
-- Download any supplementary files based on the configuration file, such as test 
-  inputs or helper programs (This is done on demand, using a `fetch` command
-  in the assignment configuration)
-- Evaluate the submission accordingly to job configuration
-- During evaluation progress states can be sent back to **Broker**
-- Upload the results of the evaluation to the **Fileserver**
-- Notify **Broker** that the evaluation finished
-
-### Internal Worker architecture
-Picture below is overall internal architecture of worker which shows its defined classes with private variables and public functions. Vector version of this picture is available [here](https://github.com/ReCodEx/GlobalWiki/raw/master/images/Worker_Internal_Architecture.pdf).
-![Internal Worker architecture](https://github.com/ReCodEx/GlobalWiki/blob/master/images/Worker_Internal_Architecture.png)
-
 ## File Server
 
 **File Server** stores data, that should be kept outside of **WebApp's**