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Overhead
SONET overhead is not added as headers or trailers as we have seen in other protocols. Instead SONET insert overhead at a variety of location in middle of the frame. The function of overhead in SONET frame are described as follow.
Describe the main factors of switching delay No. The speed of propagation is 200,000 km/sec or 200 meters/µsec. In 10 µsec signal travels 2 km. Therefore, each switch adds equi
different components of computer network security
What is usage of Sequence Number in Reliable Transmission? The protocol specifies that frames need to be numbered. This is done by using sequence numbers. A field is added to t
What is region? When hierarchical routing is used, the routers are separated into what we will call regions, with every router knowing all the details about how to route packet
The Received Message If we didn't mention another class of header lines that are inserted by the SMTP receiving server. The receiving server upon receiving a message wit
In the VOIP system, let h be the total number of header bytes added to each chunk, including UDP and IP header. a) Assuming an IP datagram is emitted every 20 msec, find the tr
Computer Networking 1. Explain different network structures in use. 2. Elaborate the architecture and usage of ISDN. 3. Discuss the concept of framing in Data Link Layer
TA is the standard ISDN term for a native ISDN modem
Data Alignment Arrays are aligned to templates by the ALIGN directive. The ALIGN directive is used to align elements of different arrays with each other, indicating that they s
Q. Mechanical Characteristics of RS232 interface? - 9-pin connector - 9-pin connector is more usually found in IBM-PC but it covers signals for asynchronous serial com
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