1-In a network based on the bus topology, the bus is a non-shareable resource for which the machines must compete in order to transmit messages. How is deadlock controlled in this context? 2-Using 32-bit Internet addresses was originally thought to provide ample room for expansion, but that conjecture is not proving to be accurate. IPV6 uses 128-bit addressing. Will that prove to be adequate? Justify your answer’ (for example, you might compare the number of possible addresses to the population of the world).
1-In a network based on the bus topology, the bus is a non-shareable resource for which the machines must compete in order to transmit messages. How is deadlock controlled in this context?
2-Using 32-bit Internet addresses was originally thought to provide ample room for expansion, but that conjecture is not proving to be accurate. IPV6 uses 128-bit addressing. Will that prove to be adequate? Justify your answer’ (for example, you might compare the number of possible addresses to the population of the world).
1- Deadlock in a bus topology network occurs when two or more devices simultaneously try to transmit messages and block each other, waiting for the other to finish. This can result in a situation where no device can send or receive messages, causing the network to become unavailable. Deadlock control in this context can be achieved through various techniques, including:
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Media Access Control (MAC) Protocols: In bus topology networks, the MAC protocol is responsible for determining which device has control of the bus and when it can transmit messages. By implementing a specific MAC protocol, such as Carrier Sense Multiple Access with Collision Detection (CSMA/CD), the risk of deadlock can be reduced.
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Token Passing: In this technique, a "token" is passed between devices, and only the device in possession of the token is allowed to transmit messages. When a device finishes transmitting its message, it passes the token to the next device, allowing it to transmit. This technique eliminates the possibility of deadlock as each device takes turns accessing the bus.
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