Cloud Services usually come in three models: Software as a Service (SaaS) Platform as a Service (PaaS) Infrastructure as a Service (IaaS). *Software as a Service (SaaS)* The consumer in this case is an end-user. The consumer uses applications that happen to be running on a cloud. The applications can be…

in an actual design of the system, there are decisions that need to be made and discussed. and we can split this decision into seven categories based on their context like the following: 1-Allocation of responsibilities 2-Coordination model 3-Data model 4-Management of resources 5-Mapping among architectural elements 6-Binding time decisions 7-Choice of technology…

In this article we will go through the list of useful and widely used Architectural Patterns, these patterns are the following: *runtime elements (such as broker or client-server). *design-time elements (such as layers). I will also define what a Tactic is and how it relates to Architectural Patterns. Tactics Tactics are…