A) Characteristics of Point-to-Point Transmission (7 points) Assume direct fiber link between the East and West...
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A) Characteristics of Point-to-Point Transmission (7 points) Assume direct fiber link between the East and West coast of the US, i.e. A B. The prop- agation speed in copper and fiber to be 2/3 the speed of light in vacuum (Vlight = 299 792 458 m / s). The distance between the East coast and the West coast is 2700 miles. The synchronization rate, its maximum capacity, is 1Gbps. The transmission is done using Ethernet frames which are 1522bytes large, i.e. fully loaded Ethernet packets. 1) What is the propagation delay between the two endpoints? 2) How many Ethernet frames can be at most simultaneously on the fiber link? 3) What is the maximum payload of an ordinary Ethernet packets (no "jumbo frames"). 4) How long does it take to transmit 5GByte (=5000000000 bytes) of Ethernet payload data? B) Performance of Store-and-Forward Message Switching (7 points) Assume the same East coast and West coast transmission. Now assume two intermediate hops, ABC D. The distance between AB, BC, and CD is the same. How long does it take to transmit a message of 5GByte (=5000000000 bytes) C) Capabilities of Layered Network Architectures (6 points) 1) Explain the two aims of function layering! 2) What is a protocol? 3) What is a service protocol in context of layers? A) Characteristics of Point-to-Point Transmission (7 points) Assume direct fiber link between the East and West coast of the US, i.e. A B. The prop- agation speed in copper and fiber to be 2/3 the speed of light in vacuum (Vlight = 299 792 458 m / s). The distance between the East coast and the West coast is 2700 miles. The synchronization rate, its maximum capacity, is 1Gbps. The transmission is done using Ethernet frames which are 1522bytes large, i.e. fully loaded Ethernet packets. 1) What is the propagation delay between the two endpoints? 2) How many Ethernet frames can be at most simultaneously on the fiber link? 3) What is the maximum payload of an ordinary Ethernet packets (no "jumbo frames"). 4) How long does it take to transmit 5GByte (=5000000000 bytes) of Ethernet payload data? B) Performance of Store-and-Forward Message Switching (7 points) Assume the same East coast and West coast transmission. Now assume two intermediate hops, ABC D. The distance between AB, BC, and CD is the same. How long does it take to transmit a message of 5GByte (=5000000000 bytes) C) Capabilities of Layered Network Architectures (6 points) 1) Explain the two aims of function layering! 2) What is a protocol? 3) What is a service protocol in context of layers?
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Global Marketing management
ISBN: 978-0470505748
5th edition
Authors: Masaaki Kotabe, Kristiaan Helsen
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