Asad Ijaz
Lead Networking Architect and Editor at NetworkUstad. BS in Computer Networks and Security, CCNP and CCNA certified, with 11+ years of experience in enterprise network design, implementation, and troubleshooting. Writes practical tutorials on routing, IPv4 management, network automation, and security fundamentals.
TCP/IP vs OSI Model: A Layer-by-Layer Comparison (2026)
The TCP/IP and OSI models are the two frameworks used to describe how data travels across a network. They cover the same job, breaking communication into layers, but they approach it differently. The key distinction is simple: OSI is a conceptual reference model used mainly for teaching and design, while TCP/IP is the practical protocol...
Enhancing Estimation Accuracy with Advanced Construction Software Tools
Ask any builder what keeps them up at night, and you’ll likely hear the same answer—cost blowouts. Whether it’s underpriced labour, missed items in a quote, or supplier price changes, inaccurate estimates can quickly erode margins and damage client relationships. For residential builders working across multiple projects, getting the numbers right from the start is...
Alternative Solutions to Payday Loans: What Are Your Options?
Many Americans feel compelled to use expensive payday loans when faced with a financial emergency. These short-term loans promise fast relief but sometimes come with exorbitant fees and interest charges, trapping clients in debt cycles. Fortunately, there are safer and more sustainable choices accessible today, such as the albert $250 cash advance, which allows you...
Swimming with Manta Rays in the Maldives: Everything They Don’t Tell You
The Maldives, known for its pristine beaches and luxurious resorts, is also home to some of the most incredible marine life on the planet. One of the most exhilarating experiences you can have while visiting this tropical paradise is swimming with manta rays. These majestic creatures are known for their graceful movements and massive wingspans,...
Why Sri Lanka’s Wildlife Safaris Are Beating Africa’s Best in 2025
In recent years, Sri Lanka has been rapidly climbing the ranks as one of the world’s most exciting wildlife destinations, giving even the most legendary African safari experiences a serious run for their money. The tropical island, long celebrated for its pristine beaches and cultural richness, is now making waves for its incredible biodiversity, accessible...
You Won’t Believe These Magical Train Rides Exist in Sri Lanka
There’s something inexplicably enchanting about train journeys, especially when they take you through emerald hills, misty mountains, lush tea plantations, and cascading waterfalls. In Sri Lanka, a country celebrated for its natural beauty and cultural richness, train rides are far more than a means of transport — they’re immersive experiences that etch lifelong memories. You...
5 Maldives Adventures That Are Way Better Than Just Sunbathing
When you think of the Maldives, it’s easy to imagine endless days of relaxing on soft sandy beaches under the golden sun. But beyond the postcard-perfect images, the Maldives offers a world of adventure that goes far beyond just sunbathing. Whether you’re a thrill-seeker or someone who loves exploring nature’s hidden gems, there’s something in...
A Guide to the TCP/IP Model and Protocol Suit
In 1970, the Defense Advanced Research Projects Agency (DARPA) began working to create an open standard network model known as the TCP/IP Model. Subsequently, by 1985, the TCP/IP model started gaining more importance and support from vendors, ultimately replacing the OSI model. The Internet Engineering Task Force (IETF) maintains the TCP/IP model and related protocols. The TCP/IP model was on the...
3 Basic Network Component – Exclusive explanation
Any network infrastructure contains three components: devices, Media, and Services. Moving data from source to destination can be as simple as connecting one device to another. Note:- At the end of this article, the assessment test is waiting for you about the Basic network Components Devices and media are the physical network components, also known...
The Evolution of Peer-to-Peer Communication in the Digital Age
Peer-to-peer communication has changed the way people share, connect, and collaborate. It removes the need for central authorities. Users speak directly with each other. Over the past decades, peer-to-peer, or P2P, has evolved from basic data exchange to complex, real-time systems. It has shaped messaging, file sharing, online conferencing, and more. This article comprehensively and...