Hide latency problems

Resolve scaling problems

Achieve high degree of transparency 

Make resources accessible

OS are controlled by management application

There is a latency problem

Components are dispersed across a network

Migration problem

Openness problem

Scalability problem

That is not aiming only for transparency but also considering performance and comprehensibility

Percent of machines, in distribute system, that are transparent for users

That is how many layers of system is used to achieve distributed transparency

 Interfaces to local resources

Mechanisms of resource management 

Applications that operate within a virtual organization

Communication protocols for supporting transactions

Client-server architecture

Mixed architecture

Object- based architecture

Reference to databases

Subtransactions

Queues

Use management application

Distributed across part of territory

Often small, battery-powered, mobile, and  only wireless 

Kind of middleware

Fabric layer

Communication protocol