Middleware Organizations

Wrapper or Adapter

To avoid an explosion of the number of wrappers.

• Broker as a single central component.

• A unique interface with each component.

Interceptors

Object A is offered a local interface.

Object A's call is transformed into a generic object by the middleware available at machine A.

Finally, the generic object is transformed into a message to be sent via the network.

Centralized Organizations

Centralized organizations

Decentralized Organizations

Peer-to-peer

• Structured.

• Non-Structured.

  • Flooding.

  • Random walks.

• Hierarchical.

Hybrid Organizations

Edge-server systems

• CDNs

Collaborative distribution systems.

• BitTorrent