Technical Fellow, Flight Crew Operations Integration Boeing Commercial Airplanes Brian Kelly received a Bachelor of Science in Aerospace Engineering from the University of Southern California in 1978 and a Master of Science in Aeronautics and Astronautics from Stanford University
FLOW CONTROL QuickTime™ and a GIF decompressor are needed to see this picture. QuickTime™ and a Photo - JPEG decompressor are needed to see this picture. LIDS Flow control: end-to-end mechanism for regulating traffic between source and destination
Multiple Access Shared Transmission Medium a receiver can hear multiple transmitters a transmitter can be heard by multiple receivers the major problem with multi-access is allocating the channel between the users; the nodes do not know when the other nodes
An interesting property of an M/M/1 queue, which greatly simplifies combining these queues into a network, is the surprising fact that the output of an M/M/1 queue with arrival rate λ is a Poisson process of rate
Responsible for reliable transmission of packets over a link – Framing: Determine t he star t and end of packets (sec 2.5) – Error Detection: Determine w hen a packet contains errors (sec 2.3) – Error recovery: Retransmissio n of packets containing errors (sec 2..4)
1. 寻问餐厅 到国外游玩，品尝当地美食是行程重头戏之一，然而，身为异乡人，自然无法知道每家餐 厅口碑如何。此时，不妨向饭店中的服务人员询问，说出自己的喜好及需求，请对方做最佳建 议。 是否可介绍一家附近口碑不错的餐厅? Could you recommend a nice restaurant near here? 我想去一家价位合理的餐厅。 I want a restaurant with reasonable prices
