Telecom guide: VPN, Internet Speed Test, WiFi, Broadband, Network, Proxy, and Residential IP
RADIUS vs TACACS+: RADIUS (Remote Authentication Dial-In User Service) and TACACS+ (Terminal Access Controller Access-Control System Plus) are both protocols used for network access control and authentication, but they differ in their design and functionalities. RADIUS primarily focuses on centralized authentication and accounting for remote access servers, such as dial-up and VPN servers. It consolidates … Read more
AAA and TACACS: AAA stands for Authentication, Authorization, and Accounting, which are three core functions in network security and access control. TACACS (Terminal Access Controller Access-Control System) is a protocol that falls under the AAA framework. It is used to separate these functions into distinct processes, allowing for centralized management of user access to network … Read more
An IP address is used to identify and locate devices on a network, allowing them to communicate with each other. It serves as a unique identifier that enables data packets to be sent and received between devices over the internet or other networks. The IP address provides the necessary information for routing the packets to … Read more
There are several different types and approaches to Quality of Service (QoS), each tailored to specific network requirements and application needs: Integrated Services (IntServ): IntServ provides a per-flow QoS model where applications request specific bandwidth and delay guarantees from the network. It requires signaling protocols like RSVP (Resource Reservation Protocol) to reserve resources along the … Read more
A CDN node, Content Delivery Networks (CDNs), refers to a server or point of presence (PoP) within a CDN infrastructure. CDNs consist of distributed network nodes strategically placed in various geographic locations. Each CDN node caches and delivers content, such as web pages, images, videos, and other digital assets, to users based on their geographic … Read more
An IP address, or Internet Protocol address, is a unique identifier assigned to each device connected to a network. The main features of an IP address include its format, which is typically either IPv4 or IPv6. IPv4 addresses are 32-bit numerical labels written in decimal format as four octets separated by periods (e.g., 192.168.0.1). IPv6 … Read more
The principle of Quality of Service (QoS) revolves around ensuring reliable and predictable performance of network services by prioritizing certain types of traffic over others. QoS aims to manage and optimize the use of network resources to meet specific service-level agreements (SLAs) or quality expectations for different applications or users. By implementing QoS mechanisms, networks … Read more
DDoS stands for Distributed Denial of Service. It is a type of cyberattack where multiple compromised systems, often infected with malware, are used to target a single system or network. The goal of a DDoS attack is to overwhelm the targeted system with a flood of traffic, rendering it inaccessible to legitimate users. This can … Read more
SSL certificate verification is the process of confirming the authenticity of an SSL/TLS certificate presented by a website during a secure connection. It ensures that the certificate is issued by a trusted Certificate Authority (CA), is currently valid, and belongs to the entity claiming ownership of the domain. SSL verifies a certificate through a chain … Read more
SD-WAN, or Software-Defined Wide Area Network, is used to simplify the management and optimization of wide area networks (WANs) across multiple locations. It enhances the traditional WAN by centralizing network control through software, allowing organizations to dynamically route traffic based on application requirements and network conditions. SD-WAN is used to improve application performance, enhance security, … Read more