# <center><i class="fa fa-edit"></i>ALOHA Basics: Good Performance </center> ###### tags: `Internship` :::info **Goal:** - [x] Learn ALOHA System Model **Resources:** [ALOHA Random Access Protocol (Tutorials Point)](https://www.youtube.com/watch?v=g32GA0YR26U) [Lecture PDF](http://web.mit.edu/6.02/www/currentsemester/handouts/L18_slides.pdf) ::: ### Good Performance Utilization: channel should be efficient ![](https://i.imgur.com/NKybNIO.png) Fairness: channel should be evenly divided. ``` x = throughput of node N = number of nodes ``` ![](https://i.imgur.com/Om7Ft7V.png) **Goal: Ensure high utilization and high fairness** :::success 1. Utilization: channel is efficient 2. Fairness: channel is divided evenly 3. Bounded wait: upper bound on wait before successful transmission 4. Dynamism: handle variability 5. Scalability: work for a large number of users :::