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What are the value added services
Many organisations are demanding higher services (also called value added services) such as faxing, minimal cost call routing, connectivity to the corporate EPABX, chatting, video conferencing, IP telephony, etc. These value added services, though seeming costly in the first instance, make for a reduction in recurring expenditure of communication costs while enhancing productivity. Installation of such services requires a one time high budget. The companies are realising that videoconferencing over an Intranet can offer a highly cost-effective alternative to many face-to-face meetings, especially where the members or decision makers are located at far off places.
FAULT TREE ANALYSIS Reliability engineering, in a nutshell is concerned with failures. How failures occur, how often they occur, and how to minimize them are the basic proble
TWO DIFFERENT KINDS OF TOPOLOGIES: LOGICAL TOPOLOGY: It is described by the specific network technology. PHYSICL TOPOLOGY: It relays on the wiring scheme. NE
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Two neighbouring nodes (A and B) use a Go-Back-N protocol with a 3-bit sequence number and a window size of 4. Acknowledgments are cumulative. Assuming A is transmitting and B is r
Header length This field specifies the length of the TCP header in 32 bit words. This information allows the receiver to know the beginning of the data area becau
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Get the network design for a company
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