Building distributed applications with concurrent processing scenarios, easily and simply, ensuring high performance and fault tolerance. The concept of Remoting, Cluster, Deployment and Grid Processing will be explored.

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.Net
Implementing distributed systems with Akka.Net
Alexandre Brandão Lustosa
Microsoft MVP/MCSD/MCSA

2. 12 e 13 de abril de 2019
São Paulo, Brasil
Conectando Pessoas,
Processos e Tecnologia

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abrandaol@outlook.com / +55 (21) 97367-6161
LinkedIn.com/in/abrandaol
Twitter.com/abrandaolustosa
Alexandre Brandão Lustosa

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5. Patrocinadores

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Agenda
- Introduction and concepts
- Actor Systems
- Akka.Net Open Source Library
- Akka.Net SDK
- Networking and Remoting
- Clustering
- Using Akka.net

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Introduction and Concepts

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Distributed systems
A distributed system is a model in which
components located on networked
computers communicate and coordinate
their actions by passing messages

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Parallel and distributed computing
In parallel computing, all processors may have
access to a shared memory to exchange
information between processors.
In distributed computing, each processor has its
own private memory (distributed memory).
Information is exchanged by passing messages
between the processors

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Actor Systems
The actor model adopts the philosophy that
everything is an actor. This is similar to the
everything is an object philosophy used by some
object-oriented programming languages.

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An actor is a computational entity that, in
response to a message it receives, can
concurrently:
• Send a finite number of messages to other
actors
• Create a finite number of new actors
• Designate the behavior to be used for the
next message it receives

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Actor Model
Is a lower level than the
deployable artifact, more
about what types of objects
you've implemented the
service with

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Actor System
An ActorSystem is a
heavyweight structure that
will allocate 1...N Threads, so
create one per logical
application.

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Dependency relationship between actors: the supervisor
delegates tasks to subordinates and therefore must respond to
their failures.

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Actor System
Workflow

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https://getakka.net

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Reactive Manifesto
Akka.NET adheres to the principles
defined by the Reactive Manifesto.
The Reactive Manifesto proposes a
coherent approach to systems
architecture in order to build
systems that are more robust,
more resilient, more flexible, and
better positioned to meet modern
demands.

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Microsoft Actor Model
A straightforward approach to building distributed, high-
scale applications in .NET
https://dotnet.github.io/orleans/

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Documentation
https://getakka.net/articles/intro/what-is-akka.html

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Nuget Akka.Net SDK Install-Package Akka
Install-Package Akka.Remote
Install-Package Akka.Cluster
Install-Package Akka.Logger.NLog

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Actor Path
Actor have a unique address

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Actor Path

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Actor Path

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Networking and Remoting
Client connection Server connection

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Router
RoundRobin
Broadcast
ConsistentHashing

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Akka Remoting

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Actor Path
Actor have a unique address

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Remote Deploy

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Akka Cluster

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Code Session.....
AkkaConsoleSimple: Simple example of how to use the basic Akka.Net techniques.
Link: https://github.com/alexandrebl/AkkaConsoleSimple
AkkaConsoleRouter: simple example of how to use the technique of routing and control of
number of instances of actors.
Link: https://github.com/alexandrebl/AkkaConsoleWithRouter
AkkaBinance: example of use in APIs and systems integration.
Link: https://github.com/alexandrebl/AkkaConsoleBinance

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https://www.facebook.com/groups/dontetinside/
#dotnetinside

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Obrigado!

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abrandaol@outlook.com / +55 (21) 97367-6161
LinkedIn.com/in/abrandaol
Twitter.com/abrandaolustosa
Alexandre Brandão Lustosa