Tham khảo tài liệu 'communication systems engineering episode 2 part 2', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Eytan Modiano Slide 1 Communication Systems Engineering Lecture 17 18 Delay Models for Data Networks Eytan Modiano Packet Switched Networks Eytan Modiano Slide 2 Queueing Systems Used for analyzing network performance In packet networks events are random - Random packet arrivals - Random packet lengths While at the physical layer we were concerned with bit-error-rate at the network layer we care about delays - How long does a packet spend waiting in buffers - How large are the buffers Eytan Modiano Slide
