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Link protection is designed to safeguard networks from failure. Failures in high-speed networks have always been a concern of utmost importance. A single fiber cut can lead to heavy losses of traffic and protection-switching techniques have been used as the key source to ensure survivability in networks.
Network security is involved in organizations, enterprises, and other types of institutions. It does as its title explains: it secures the network, as well as protecting and overseeing operations being done. The most common and simple way of protecting a network resource is by assigning it a unique name and a corresponding password.
But inspection is never completely effective, so appraisal costs stay high as long as the failure costs stay high. The only way out of the predicament is to establish the "right" amount of prevention. Once categorized, quality costs can serve as a means to measure, analyze, budget, and predict. [8]
An example of a physical security measure: a metal lock on the back of a personal computer to prevent hardware tampering. Computer security (also cybersecurity, digital security, or information technology (IT) security) is the protection of computer software, systems and networks from threats that can lead to unauthorized information disclosure, theft or damage to hardware, software, or data ...
These methods involve determining the costs of transmission and the cost of switching, and thereby determining the optimum connection matrix and location of switches and concentrators. [1] Network-synthesis: This stage involves determining the size of the components used, subject to performance criteria such as the grade of service (GOS). The ...
Direct Cost (manufacturing cost) failure at supplier's site (bad) + Labor Cost (assembly and testing) + Overhead Cost (Inventory, handling, shipping costs) + Scrapping Cost (of part and attached parts assemblies: Sometimes assemblies cannot be disassembled and have to be scrapped altogether) + Rework (applying a new part instead)
The cost of a data loss event is directly related to the value of the data and the length of time that it is unavailable yet needed. For an enterprise in particular, the definition of cost extends beyond the financial and can also include time. Consider: The cost of continuing without the data; The cost of recreating the data
There is little evidence about the effectiveness and cost-effectiveness of different cyberattack prevention measures. [27] Although attention to security can reduce the risk of attack, achieving perfect security for a complex system is impossible, and many security measures have unacceptable cost or usability downsides. [30]