System Architecture

• System Architecture is a representation of a system, including:
  • A mapping of functionality onto hardware and software components.
  • A mapping of software architecture onto hardware architecture.
  • Human interaction with these components.

Why Study Enterprise Systems Architecture?

• Helps management and implementation teams understand the features and components of the enterprise system in detail.
• Provides a visual representation of complex system interfaces among ERP applications, databases, operating systems, legacy applications, and networking.
• Enables management to develop a better IT plan.

Enterprise Systems Architecture (ESA) Model

• Functional Angle:

  • Defines the ERP modules that support various business functions of the organization.
  • Examples include:
    • Accounting
    • Human Resources
    • Supply Chain Management (SCM)
    • Sales Management
    • Etc.

• System Angle:

  • Defines the ERP architecture through the physical components of hardware, software, and networking.

Types of Architecture

• Two-Tier Architecture
• Three-Tier Architecture
• Web-Based Architectures
• Cloud Architecture