Hosting concepts, explained without marketing fluff.
Learn
The X-ZoneServers Learn library is a small, deliberately curated set of explainers covering the hosting concepts our customers ask about most. Every article gives a direct definition first, then a deeper technical breakdown with real numbers, comparison tables, and references to the underlying specifications.
Articles
Virtualization9 min read
What is KVM virtualization?
KVM (Kernel-based Virtual Machine) explained: how the Linux kernel module turns a physical server into multiple isolated VMs, how it compares to OpenVZ, VMware ESXi, and Hyper-V, and when it isn't the right choice.
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Infrastructure8 min read
VPS vs dedicated server: how to choose
Side-by-side comparison of virtual private servers and dedicated bare-metal hosting, with concrete signals (CPU steal, IO wait, sustained utilization) for knowing when to upgrade.
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Security10 min read
How DDoS protection actually works
Volumetric, protocol, and application-layer attacks; BGP blackhole, scrubbing centers, rate limiting, and WAF; always-on vs on-demand mitigation; and how to read a hosting provider's DDoS marketing.
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Networking8 min read
Bandwidth: 95th percentile vs unmetered explained
How 95th percentile billing actually calculates your bill, why 'unmetered' is rarely truly unmetered, and how to translate any bandwidth tier into a TB/month equivalent.
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Infrastructure9 min read
Choosing a datacenter location
Latency math, real RTT estimates between major cities, GDPR and CLOUD Act data residency, and a decision tree for picking a single region versus going multi-region.
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Storage8 min read
NVMe vs SSD vs HDD for hosting workloads
How NVMe, SATA SSD, and spinning disks differ in IOPS, latency, and throughput; when each is the right fit; and where the cost-per-GB tradeoffs land in 2026.
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