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Replica Software.
Type Privately held company
Founded 2001
Headquarters London, UK
Industry Video games
Products ReplicaNet, RNLobby



Distributed computing and distributed object systems are designed to allow software modules or objects to work together where the objects can be located on different computers connected by a network. Interactive computer simulations and computer games can use object-oriented programming languages such as C++ to maintain a database of entities, player characters, monsters, tanks or just about anything that can exist in a simulated world. [1] [2] [3]

How ReplicaNet works

Using an object description language or by programmatically registering filter classes each machine knows how to create and update each C++ class object. Each object is then treated as a potential network shareable object on the machine that allocates it. This machine has control over the C++ classes and can change variables or call member functions as normal. Once the object is ready to be shared to other machines the object is published on to the ReplicaNet network session. The underlying ReplicaNet software detects changes in the object and automatically updates the replicated classes on the machines connected to the network session. Any changes made to the member variables of the C++ classes can be extrapolated by ReplicaNet using several pre-defined filters to reduce the amount of network traffic when transmitting changes in the object.[4]

This approach of describing objects that can then be processed by other computers is similar to other systems such as CORBA, Java remote method invocation and Distributed Component Object Model.

Products using ReplicaNet include

Book references to ReplicaNet

Game Programming in C++ Start to Finish by Erik Yuzwa

Massively Multiplayer Game Development 2 - Page 220 - Charles River Media.


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