الشبكات

Quick Answer A Direct Attach Cable (DAC) is a factory-assembled high-speed copper cable with fixed connector “module-style” ends. It’s widely used for short-reach links in data centers because it delivers low latency, simple deployment, and cost-ef...

Introduction Modern data centers, clouds, and AI clusters are hungry for bandwidth: 10G/25G to servers is standard. 100G/200G/400G dominates leaf-spine fabrics. 800G and beyond are entering leading-edge environments. For all this, you do...

IntroductionEveryone knows wavelength-division multiplexing (WDM) lets you push more traffic over the same strand of glass. What trips people up is deciding which flavor belongs in a given design. In real deployments, that decision pivots on four levers: distance, capacity, budget, and growth path.This guide demysti...

Introduction: Why 400G and 800G Matter?The rise of AI training, HPC (high-performance computing), and hyperscale cloud services has pushed network bandwidth demands higher than ever. Ten years ago, 40G and 100G were cutting-edge. Today, many data centers are already migrating to 400G, and some are planning or testin...

Introduction: Why Interconnect Choice Matters?Modern data centers and AI clusters depend on fast, reliable interconnects to keep servers, switches, and storage talking at line rate. As speeds scale from 10G → 25G → 100G → 400G and beyond, the physical medium that links devices becomes just as important as the switch...