Defining an ISP and Its Architecture
An ISP provides Internet services to business and residential subscribers, also referred to as users. ISPs provide basic services such as email, web hosting, and news. Also, ISPs offer value-added services such as calendars, address books, search engines, chat rooms, instant messages, etc.
An ISP architect defines the overall structure, called the architecture, that sets forth structuring principles and patterns for an ISP’s infrastructure, services, network, customer care system, and so on.
The architecture sets system-wide constraints that must be adhered to by each portion of the subsequent design. Within the architecture, the architect identifies major components and their interrelationships. An ISP architect ...
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