Posts2 Link layer packet (frame) transfer This is a more in-depth overview of what happens in link layer when a host wants to send a message from a host to another host. The last post covered how error detection works in Link Layer, so I won't bother about the details of error detection in this post. Rather, I will focus more on keywords like MAC, LAN, ethernet, switches, ARP. I know, lots of buzzwords, but that's network :0 Each host h.. 2021. 10. 12. When everyone wants to say something - MAC (Medium Access Control) Recall the issue of deadlock? That's when many people wants to access a resource at the same time - we impose concurrency control at different isolation levels and reduce concurrency issues that could occur. There's a very similar issue in networks. It's multiple access problem. Let me outline the context, and the key problem that MAC (Medium Access Control) has to solve. There's a central hub c.. 2021. 10. 5. 이전 1 다음