Question: 3-A) A token-ring LAN network interconnects M stations using a star topology in the following way. All the input and output lines of the token-ring

3-A) A token-ring LAN network interconnects M stations using a star

3-A) A token-ring LAN network interconnects M stations using a star topology in the following way. All the input and output lines of the token-ring station interfaces are connected to a cabinet where the actual ring is placed. Suppose that the distance from each station to the cabinet is 100 meters and that the ring latency per station is eight bits. Assume that frames are 1250 bytes and that the ring speed is 25 Mbps. Assume that the speed of the signal is 2x108m/s 3.1 What is the maximum possible arrival rate that can be supported if stations are allowed to transmit an unlimited number of frames/token? 3.2 What is the maximum possible arrival rate that can be supported if stations are allowed to transmit 1 frame/token using single-frame operation? 3-B) Suppose that the ALOHA protocol is used to share a 56 kbps satellite channel. Suppose that frames are 1000 bits long. Find the maximum throughput of the system in frames/second

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