System architecture refers to the design and structure of a computer system or network, including software tools. It consists of processing power, storage, connectivity, and user experience, and must be flexible to accommodate changing needs. Scalability is key, and managing network traffic and connectivity is important for system performance. The user experience depends on system architecture and performance, and support typically falls under the Technical Operations Department.
The term system architecture is used to describe the overall design and structure of a computer system or network. As information technology has expanded to include a wide variety of physical devices, a method is needed to organize and connect these elements together in a cohesive way. The term is also used to describe complex software tools that include multiple modules.
There are four major components to any system architecture: processing power, storage, connectivity, and user experience. System complexity varies widely and depends on user needs, business requirements, funding, and resource availability. It is important to note that the system architecture must be flexible and able to quickly accommodate changing needs. A structure that is too rigid will not be able to accommodate new software or hardware.
Processing power is based on the computer or server. This hardware is similar to the brain of the system. The purchase and installation of the correct allocation of processors for the system should be based on the specifications of the software, the number of concurrent users, connection strength and applications. When designing a system, scalability is key. The system architecture must allow for additional processors to be added without any disruption to the current structure.
Storage space is based on the number and capacity of hard drives and related devices built into the system. Cost is a determining factor for this type of equipment, as the cost is steadily decreasing as capacity increases. This is due to continuous improvements in the manufacturing process. However, architecturally speaking, this adds another element to the process. As capacity increases, overall fitness can change, making equipment obsolete.
Managing network traffic and connectivity is an important part of system design. Just like roads in everyday life, system performance depends on properly sizing and maintaining connectivity between all aspects of the system. Upgrading network cables, switches, routers and other equipment is expensive and time consuming, but has a huge impact on system performance.
The user experience is based on a combination of system architecture and performance. Enterprise customers typically have little understanding or interest in all aspects of the system that can have a positive or negative impact on their computer. A well-designed support system responds to user needs and can support the operation in the long run. Responsibility for overall architecture and support typically falls to the Technical Operations Department.
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