SPIKE: Understand the message timing protocol

[cvarjao]

The message timing protocol might a good way to help us troubleshoot and identify slowness in the process.

• What is the message timing protocol?
• how can it help us identify slowness?
• is it supported by AFJ and ACA-py?

[jmdkumar08]

@amanji - Message timing protocol is implemented at framework level. It does not seem to point to what is causing credential delay.