Akka is an open source toolkit for building highly concurrent, distributed, and fault-tolerant applications on the JVM. It uses the actor model and software transactional memory to provide a higher level of abstraction for writing scalable applications compared to lower-level concurrency primitives. Akka embraces the "let it crash" model of fault tolerance used in telecom to build self-healing systems and aims to make building reliable distributed systems easier.

1. Akka
Highly Concurrent, Scalable and
Fault-tolerant

2. Problems…
Background :
• Writing correct concurrent, fault-tolerant and
scalable applications is too hard
• Most of the time it’s because we are using the
wrong tools and the wrong level of
abstraction.

3. Why Akka..?
• Akka is Open Source and available under the
Apache 2 License.
• Akka uses the Actor Model together with
Software Transactional Memory to raise the
abstraction level and provide a better
platform to build correct concurrent and
scalable applications.

4. Why Akka…?
• For fault-tolerance Akka adopts the “Let it
crash”, also called “Embrace failure”, model
which have been used with great success in
the telecom industry to build applications that
self-heals, systems that never stop.
• Akka can be implemented in Java and Scala