If we want to express a general definition of virtualization, it is called virtualization or, in other words, making a virtual copy of anything real. In the computer and IT world, you can have a virtual version of any piece of hardware, such as storage devices, servers, networks, etc., and if they are not physically present, you can benefit from this advanced technology and save money. In fact, by …

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  Establishing security in the organization's network environment and creating peace of mind in the work environment for network users is one of the most important issues, and for this reason, redundancy or redundancy is understood. What is Reidant? Redundant in the world of Farsi language means extension and redundant and redundancy from the root of these words. In fact, it undertakes the multiplication of components to increase the efficiency …

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  Most of today's widely used communications use VoIP services and hence it can be predicted that IP telephones will be pioneered and heavily used in the future. In the same way, the growing expansion of the use of VoIP will cause extensive security problems. Until a few years ago, VoIP security was not paid much attention due to other attractive features that this system had, and there was less …

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Do you decide to choose fiber optic cable or copper cable to install your computer network? This decision is similar to choosing between a horse and carriage or a plane to travel across the country. Fiber optics has revolutionized communications over the past two decades. To prove this issue, in this article we explain the reasons for choosing optical fiber. Why fiber optic? Since the invention of the electromagnet and …

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Both satellite and optical fiber are very suitable for long distance communication, but they have different advantages and disadvantages. The transmission media in satellite networks are wireless media that are very susceptible to noise and even wind and rain affect the data being transmitted and destroy the bits. But in optical fiber, because the frequency of light is higher than all frequency spectrums, it is not noisy, and we can …

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IP is the transmission of audio signals (AV) through a standard Ethernet network, including: • HD video (such as HDMI and DVI) • Audio • Control signals (such as IR) • External signals (such as USB) You are required to interact with your audience in real time with rich media content. In other words, you need to send high quality images through the LAN network. Consider offering Av over IP …

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What is an ONT? ONT stands for Optical Network Terminal. This device is an output on the internet and is specific to fiber optic technology, just like a cable modem, it is the output of the internet connection with a coaxial cable. A device that communicates directly with an Internet Service Provider (ISP) to provide a fiber optic Internet connection to your home or office. However, the ONT fiber optic …

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Optical fiber channel cable (OCUC) is a type of outdoor communication cable that is transmitted in a chain in the environment outside the building from one place to another by channels and is used to transmit data by optical fiber. These cables are usually used to transmit television and radio signals, internet, telephone and security systems. Duct cables usually consist of one or more cores separated by insulation and enclosed …

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The optical fiber cable color standard named EIA/TIA-598 has been defined by the Telecommunications Industry Association's organization for optical fiber cabling and the installation and termination of optical fibers in order to prevent human errors that were observed in choosing the type of fiber by experts or users of the network technology department. and provides conditions for experts not to face the problems of not identifying the type of fiber. …

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