MICHIGAN STATE UNIVERSITY CSE$-422$: Computer Networks Understand Congestion Probability at Routers Example: $1$ Gb$/$s link $$ each user: $100$ Mb$/$s when $$active$$ active $10\%$ of time N users $1$ Gbps link $$ circuit$-$switching: $$ How many users can it support? $$ packet switching: $$ If N $=10,$ what is the packet loss probability? $$ If N $=35,$ what is the packet loss probability? Q: what about N $>35?$ Review: $15$ MICHIGAN