Hi Christian,

Akka is very general toolkit and you can implement any communication 
architecture that you need with it. It offers excellent HTTP support and 
also low-level TCP and UDP communication and you can implement any standard 
or custom protocol on top of that.
Akka Cluster however does not sound like something that would fit here:
- it requires bidirectional connectivity among all nodes that are parts of 
the cluster
- the network connecting the nodes is assumed to be trusted
- Akka Cluster is useful when you need to create an Actor system so large 
that it does not fit on a single machine because of memory or processing 
power requirements (say, millions of entities interacting in real time)

Cheers,
Rafał

W dniu czwartek, 9 lutego 2017 09:48:22 UTC+1 użytkownik Christian Kaps 
napisał:
>
> Hi,
>
> for a project we need a special type of server architecture. Because of a 
> customer compliance we cannot access the customers database server from the 
> DMZ. The server on which the database runs can access servers inside the 
> DMZ. In a similar project my employee has used a proxy like architecture 
> with an additional database server. The outer side writes requests into 
> this proxy database and the inner side polls this database for requests and 
> writes results to it. The outer side polls then for the results.
>
> Is such a kind of architecture possible with Akka? Maybe with a cluster 
> like architecture?
>
> Outside(Public)  | DMZ                 | Inside
> Frontend Server | Backend Server | Database Server
>
> Best regards,
> Christian
>

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