Efficiency differences between circuit switching and virtual switching

1545 pts.
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Circuit switching
efficient
Network hardware
Networking
Switches
Switching
Switching equipment
virtual switch
Which is more efficient: circuit switching or virtual circuit switching and why?

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In circuit switching, circuits are dedicated between source and destination; whereas in virtual circuits or packet switching, they are not dedicated.

Circuit switching is ideal when data must be transmitted quickly, must arrive in sequencing order and at a constant arrival rate. Therefore, when transmitting real time data, such as audio and video, circuit switching networks will be used.

In virtual circuit switching, different messages can use the same network resources within the same time period. Since network resources are not dedicated to a certain session the protocol avoids wasting resources when no data is transmitted in the session. Packet switching is more efficient and robust for data that is burst in its nature, and can withstand delays in transmission, such as e-mail messages, and Web pages.

Hope this clarifies.

Discuss This Question: 3  Replies

 
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  • 1481Deeksha
    Circuit switched : 1. Takes place at physical layer. 2. Resources are pre decided. 3. Data is not packetized. 4. No addressing involved in data transfer. Data is routed on the basis of time slots or freq bands. Virtual circuit switched: 1. Takes place at data link layer. 2. Resources Can be allocated on demand. 3. Data is packetized. 4. Each packet carries An address in the header. These are the differences.
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  • Subhendu Sen
    Without knowing the purpose, it is not possible to provide a proper reply. If you just want to know, please navigate wikipedia.
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  • CharlieBrowne
    @ Subhendu - Sure looks like some proper answers were given. What possible other information would?
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