Service · Infrastructure design

Design infrastrutture IT enterprise.

When IT grows, the infrastructure must progettata, not improvised. Server room sized for 5 years, scalable networking, centralized storage, distributed redundancy, perimeter security, adequate UPS and cooling. Every detail counts: a well-built server room makes the difference between 99.9% and 99.99% uptime.

02 / Server room professionale

Server room professionale

  • Electrical sizing: carico, riserva, ridondanza N+1/2N
  • UPS double-conversion online with ≥ 15 min runtime + generator if necessary
  • Dedicated cooling: split or in-row, humidity control, hot-aisle/cold-aisle
  • Sicurezza fisica: badge access, biometria, videosorveglianza, antintrusione
  • Smoke detection: VESDA aspirante + spegnimento aerosol/NOVEC 1230
  • Sensori: temperature, humidity, flooding connected to the BMS
  • Cablaggio strutturato: rame Cat 6A/7A + fibra OM4/OS2, patch panel ordinati, etichette
03 / Networking enterprise

Networking enterprise

  • Core / Distribution / Access: 2-3 tier hierarchy with redundant switches
  • Firewall perimetrali: Palo Alto, Fortinet, Sophos, Check Point with HA cluster
  • SD-WAN: multi-site management with automatic internet failover
  • Wi-Fi business 6/6E/7: controller centralizzato, SSID multipli, captive portal
  • VLAN segmentation: separation of management, server, client, IoT, guest
  • Zero Trust microsegmentation with identity-based firewall
04 / Storage e backup

Storage e backup

  • SAN Fibre Channel / iSCSI: NetApp, Pure Storage, Dell PowerStore, HPE Primera
  • NAS: Synology, QNAP per condivisione file, or soluzioni enterprise
  • Iperconvergenza (HCI): Nutanix, VxRail, Azure Stack HCI
  • Backup centralizzato: Veeam, Commvault, Rubrik with retention policy
  • Immutability: copie WORM su object storage o tape LTO
  • DR site: geographic replication with certified RPO/RTO
05 / FAQ

Most frequent technical questions about infrastructure.

Server room sized for the next 5 years: how to do it?+
Capacity planning calculated across 3 dimensions: space (rack U), electrical (kW per rack), thermal (BTU/h). Typical SMB growth: +20-30% per year. Size with a 50% margin. Minimum N+1 redundancy for electrical and cooling.
Online double-conversion UPS: which one to size for a server cluster?+
Calcolo: somma carico nominale server + 30% di margine. Es. 3 server da 800W ciascuno + 30% = ~3,1 kVA UPS. Autonomia tipica 10-15 min (giusto per spegnimento controllato o avvio generatore). Brands: APC, Eaton, Riello UPS, Vertiv.
Enterprise firewall for SMBs: which brands do you recommend?+
For different tiers: Fortinet FortiGate 80F-100F (SMBs of 20-100 users), Palo Alto PA-440 (top-tier security), Sophos XGS (management simplicity), Stormshield (made in EU, NIS2-friendly compliance), Check Point Quantum (complex multi-site).
HCI hyperconvergence (Nutanix, VxRail, Azure Stack HCI): when does it make sense?+
When you want to simplify the refresh of a small cluster (3-6 nodes). Pros: rapid deployment, linear scaling, unified management. Cons: vendor lock-in, license costs higher than traditional, storage scalability tied to compute.
Backup centralizzato cross-site: quale architettura?+
3-2-1-1-0: 3 copie, 2 media diversi, 1 off-site, 1 immutabile (Hardened Repository o object storage WORM), 0 errori al test. Tool tipici: Veeam B&R + Wasabi/Backblaze B2/Azure Blob immutable, Commvault, Rubrik, Cohesity.
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