IBM Rhapsody UML/SysML training and automation helper consultancy: IBM Rhapsody Tip #77 - How to animate user-defined types in sequence diagrams (serialization)
Sequence Diagram for Opening a TCP Connection | Download Scientific Diagram
A Better Way to View Sequence Diagrams | by Dan Jarvis | Medium
Automatically Adding Lifelines to Animated Sequence Diagrams - Merlin's Cave