Maximum Transmission Unit (MTU) is a fundamental concept in networking that refers to the largest size of a packet or frame that can be sent over a network. This size is specified in octets, which are eight-bit bytes. Understanding MTU is crucial for new networking students, as it plays a significant role in the efficiency Read More …
Tag: networking
Understanding Cisco Platform Exchange Grid
Cisco Platform Exchange Grid (pxGrid) is an innovative framework designed to enhance collaboration among security products by enabling them to share data seamlessly. Built on a Publish-Subscribe model, pxGrid allows data providers to publish information to specific topics, while consumers can subscribe to those topics to receive relevant updates. This architecture fosters a more integrated Read More …
TTL – Time to Live
Time to Live (TTL), often referred to as hop limit, is a crucial mechanism used in computer networking to manage the lifespan of data packets as they traverse through a network. The primary purpose of TTL is to prevent data packets from circulating indefinitely, which can occur due to routing errors or network loops. By Read More …
ICMP – Internet Control Message Protocol
The Internet Control Message Protocol (ICMP) is a fundamental protocol used in the Internet Protocol (IP) suite. It is primarily designed for network devices to communicate error messages and operational information regarding the status of the network. While ICMP is not used for transmitting data like TCP (Transmission Control Protocol) or UDP (User Datagram Protocol), Read More …
BGP: The Backbone of Internet Routing and Its Security Challenges
In the vast and interconnected world of the Internet, one of the most critical protocols ensuring the flow of data is Border Gateway Protocol (BGP). BGP is the routing protocol that enables different autonomous systems to communicate and exchange routing information. Without BGP, the Internet as we know it would not be able to function, Read More …
GRE Tunnels in Modern Networking
In the world of modern networking, flexibility, security, and efficiency are paramount. As the Internet continues to evolve, so do the methods by which data is transmitted across complex infrastructures. One such method is the use of Generic Routing Encapsulation (GRE) tunnels. In this article, we’ll explain what a GRE tunnel is, how it works, Read More …
What is Network Address Translation
Network Address Translation (NAT) is a method used in networking to modify the IP address information in the headers of data packets as they traverse a router. NAT allows multiple devices on a local network to share a single public IP address, facilitating efficient use of IP address space and adding a layer of security Read More …
What is a VPN?
A Virtual Private Network, commonly referred to as a VPN, is a technology that creates a secure and encrypted connection between your device and the internet. It acts as a private tunnel for your online activities, shielding them from prying eyes and potential cyber threats. Originally developed to enable secure communication within corporate networks, VPNs Read More …
UDP and Its Role in Online Communication
The User Datagram Protocol (UDP) is one of the foundational protocols of the internet, widely used for applications where speed and efficiency are prioritized over reliability. This article explores what UDP is, how it works, and why it is often chosen over Transmission Control Protocol (TCP) for specific use cases, particularly in online communication and Read More …
The Internet Protocol: The Backbone of Online Communication
The Internet Protocol (IP) is one of the most essential components of modern networking, enabling seamless communication between devices across the globe. This article explores what the Internet Protocol is, how it works, and why it is crucial for online communication. What is the Internet Protocol? The Internet Protocol (IP) is a set of rules Read More …