Sequence Diagram Description. The time progresses as you go down the page. 21 the messages may be synchronous shown with a solid arrowhead asynchronous shown with an open arrowhead or flow.
A sequence diagram is a type of interaction diagram because it describes howand in what ordera group of objects works together. Improving the security of uml sequence diagram using genetic algorithm a sequence diagram is a. What is a sequence diagram this diagram is a model describing how groups of objects collaborate in some behavior over time.
A sequence diagram is a structured representation of behavior as a series of sequential steps over time.
When to use a sequence diagram. A sequence diagram is a type of interaction diagram because it describes howand in what ordera group of objects works together. An interaction diagram that models a single scenario executing in a system 2nd most used uml diagram behind class diagram shows what messages are sent and when relating uml diagrams to other design artifacts. When to use a sequence diagram.