MIS470 HW Ch 5

MIS470 HW Ch 5 - 3. Distributed Databases, by either...

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Dr.Mullen MIS 470 T 2-4:30pm Ch.5 Pg 224 1) What is the difference between architecture and infrastructure? The architecture is a blueprint that shows how the system will look and the parts interrelate. The infrastructure is the implementation of the architecture, its hardware, software, how it is connected, and the flow of information. 2) The four attributes of a distributed system are: 1. Distributed Processing, it is the ability for more than one interconnected processor to be operated at the same time. 2. Connectivity Among Processors, this means each processor in a distributed system can send data and messages to any other processor through electronic communication links.
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Unformatted text preview: 3. Distributed Databases, by either dividing the database, and distributing its portions throughout without duplicating the data, or by storing the same data at several locations, with one site containing the master file. 4. Systemwide Rules, is the operating discipline for the distributed system. They govern all the communication between nodes, security, data accessibility, program and file transfers, and common operating procedures. 3) Open source is free software, usually distributed via the Internet. The software source code is downloaded and is able to be modified. 1...
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