Slide 1: ALOHA in Network Protocols. Slide 2: What is ALOHA?. Slide 3: The Core Idea: Transmit and Pray. Slide 4: Pure ALOHA. Slide 5: Pure ALOHA: Vulnerable Period. Slide 6: Pure ALOHA: Throughput. Slide 7: Slotted ALOHA. Slide 8: Slotted ALOHA: Vulnerable Period & Throughput. Slide 9: Advantages and Disadvantages. Slide 10: Applications and Conclusion