Read and write operations to file are standard functionality of any applications that are logging the events, work with files, up to the transfer of data over the network. In this article, we consider methods of recording information in the …

Circuit switching and packet - it's methods for solving the generalized problem of switching data in any network technology. Complex technical solutions of the generalized switching tasks in its entirety consists of the particular problems of data transmission networks.

By …

Basic concepts and definitions

The most responsible operation in the process of construction of fiber-optic, predetermining the quality and range is the installation of optical fibers. Such a combination of fibers and installation cables are produced in the manufacturing process …

Classification of fiber optic cables

Fiber-optic cables (FOC) - a cable products, containing a number of optical fibers and the reinforcing member enclosed in a common envelope, on top of which, depending on the operating conditions of the protective cover …

Introduction

Corporate Network - a network whose primary purpose is to maintain the operation of a particular enterprise that owns this network. Corporate network users are the only employees of the company.

In contrast to the prodier networks, enterprise networks, …

Standardization and sources of standards

Universal argument about the benefits of standardization, which is valid for all industries, computer networks is of particular importance. The essence of the network - the connection of various equipment, and therefore there is a …

Give customization of all applications under OS Android !!!

With the slogan I want to tell today about customization pop-up message (Toast) in the Android OS. In any application that is designed and developed with great care, the question may …

Customization ListView is common in developing applications for Android OS. ListView (List) allows you to display the same type of information in your application, for example, show the products with prices and features, if you develop applications for online sales. …

Under the topology of the network refers to the configuration of the graph, whose vertices correspond to the end nodes of the network (such as computers) and communications equipment (eg, routers), and the edges of the physical or informational communication …

Decomposition of the tasks of networking

Network architecture - a view of the network as a system of interrelated elements, each of which is assigned a specific private function.

In addition, each of the network elements solves a common problem. …

Distinguish mode dispersion, which is caused by a large number of modes in the optical fiber and the chromatic dispersion associated with the incoherence of light sources actually operating in a certain range of wavelengths.

Consider the propagation of the …

The most important parameters are the optical fiber loss and attenuation of the transmitted energy. These parameters define the range of the FOC and on its effectiveness. Attenuation in optical fibers due to manifestation of the following losses:

α _{c …}