A distributed system consists of a number of interconnected through a network of computers, these computers to cooperate with each other in order to achieve a common goal, we will this common goal known as the "project"), specific process is: will the need for a large amount of computing project data divided into small pieces, by multiple computers calculate respectively, then upload operation results after merge data conclusion, in a distributed system to run on a computer program called distributed computing program; Distributed programming is the process of write the program, simple, the adoption of distributed computing, a set of computer system, called distributed computing systems,
Distributed systems:
In network computing platform open hair, deployment, management and the protection to information source share and the association with work for the Lord shall be with goals of cloth type should use system,
The main characteristic of distributed systems:
Contain an arbitrary number of system process and the user process
Modular system structure, it consists of a variable number of multiple processing components
Communicate through Shared message passing on a communication structure, process of message transmission delay and delay time between the variable
Implement a range of control in the system, in order to provide a dynamic process between the cooperation and the management of running time
In which different systems have different control degree,
Advantages of distributed computing:
1. The low price of computer and network access availability,
2. Resource sharing
3. The scalability
4. The fault tolerance
Distributed computing related calculation form is divided into: computing, parallel computing, network computing, grid computing and cloud computing,