Network programming is one of the titles that combine two fields that appear to be different, but in fact, there is a close interdependence between them. Networks are divided into a physical part represented by hardware, hardware, and wires, and a software part represented by applications, systems, and protocols that regulate the field. Due to the importance of the matter, we wanted in this article to clarify some important information (as quick glimpses) about network programming so that it would be easier for beginner programmers and developers, especially Python language programmers, to understand and assimilate basic information about networks.
In this article, we will learn about:
What is network programming?
How are grids programmable?
Some practical cases of network programming
Does it require special skills?
The most important types of networks that can be programmed
Network programming languages
Python and network programming
What is network programming?
Network programming is the process of using code to write programs or processes that can communicate with other programs or processes over a network. Also, the term network programming refers to the process of writing code to manage and operate network components such as routers, switches, servers and various operating systems. Programmers use many programming languages, cryptographic libraries, and protocols to do network programming.
How are grids programmable?
Network programmability generally refers to the tools and best practices for operating, managing, and troubleshooting network devices while the network is in operation. More precisely, network programmability is the process of using SDLC-based code, concepts, and other tools to make networks perform required operations. Modern networks are more than just routers and switches. It is a collection of interconnected systems that include applications and other software, virtual machines, cloud systems, containers, and more. A programmable network contains APIs in its infrastructure that developers can use to program applications and other components to interact directly with the network and its components.
Some practical cases of network programming
Network programmability, combined with task automation, helps companies deploy new applications and services faster. Services can also be centrally organized and managed from a single interface rather than doing it separately for each service. Another use case for network programming is the mitigation of security threats. Using APIs, a network can be programmed (through a firewall, for example) to block malware or other traffic without interrupting users as network security engineers diagnose and remediate the problem.
In addition to the above, it is possible through network programming to build small programs Scripts that read the states of network devices and monitor its components in detail and know bottlenecks or problems that may appear in the network so that damages are dealt with firsthand and avoidable problems are avoided.
Does it require special skills?
Yes - it requires you to at least expand the basic skills in programming and network science so that you can be familiar with the topic of network programming well. It is becoming increasingly important for network engineers to become familiar with the fundamentals of network programming, as a programmable network is taking center stage in today's application-focused organizations that embrace software-managed networking, 5G connectivity, Internet of Things (IoT) applications, and more.
IT professionals who wish to develop their skills in network programming and knowledge of programmability can obtain certificates, attend educational programs, or engage in other learning opportunities through many educational sites and institutes that offer courses, diplomas, and academic programs for this purpose.
Network programming and Python
The most important types of networks that can be programmed
Network programming is a rapidly developing discipline. However, this field still requires traditional skills and basic knowledge. This knowledge includes understanding the main types of networks that many companies use today, such as the following:
LAN: A LAN is a group of connected devices in one place, such as a building, office, or home. A local area network can be small or large, and ranges from a home network with a single user to an enterprise network with thousands of users and devices.
WAN (Wide Area Network): In its simplest form, a WAN is a collection of local area networks or other networks that communicate with each other. A WAN is basically a network of networks. The Internet is the widest WAN in the world.
WLAN (Wireless Local Area Network): WLAN implements a flexible system for data communications, often augmenting rather than replacing a wired LAN within a building or campus. WLANs use radio frequency to transmit and receive data over the air, eliminating the need for wired connections.
VPN (Virtual Private Network): A VPN is an encrypted Internet connection between a user's device and a network. An encrypted connection helps ensure that sensitive data is transmitted securely. It prevents unauthorized persons from accessing the traffic within this type of network. VPN technology is widely used in corporate environments, often to support remote workers and mixed business models.
SAN (Storage Area Network): A SAN is a dedicated high-speed network that makes storage devices accessible to servers by connecting a volume directly to an operating system. This centralizes storage devices, so they are easier to manage and communicate with faster.
Network programming languages
Network programming for network engineers and other IT professionals typically requires the use of a combination of programming languages and tools, such as:
Python (an open source programming language)
java (programming language
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