( Taking notes: ( David is printing ( a document. ~~~~~~~~~~~ o ___ o ___ / \ _|___|_ | | client server |* *| \_/ __ \_/ | / / Discovery +----------+ | /|\ /_/ <-----------> | +----+ | /|\ / | \__/ +--| |--+ / | \ / | |____/ / | \ / | / | \ / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ David Adversary