Resources & technical library
Practical guidance for planning, building and running technology.
Guides and articles from the Inara Crest team on software, AI, networks, security, power, data centres, hosting, transport systems and IT support — written to help you make better decisions, whether or not you work with us.
Plan and specify
What to decide and document before you request quotes or start installation.
Build and install
Practical standards for cabling, power, security systems and business software.
Operate and support
Keeping systems maintained, secure and documented after go-live.
Showing articles for Infrastructure & NetworkingShow all
Showing 12 of 31 articles
- Bloginfrastructure & networking
Designing enterprise Wi-Fi for a multi-floor office
Good Wi-Fi is designed for capacity, not just coverage — with a site survey, the right channel plan and wired access points.
By Vicky Ogola 1 min
Read more - Bloghosting & domains
DNS hosting and why it affects uptime
If DNS fails, your website and email disappear. Choose reliable DNS hosting and manage changes carefully.
By Micah Ondiwa 1 min
Read more - Blogpower & facilities
Earthing and bonding for IT installations
Proper earthing protects people and equipment and lets surge protection work. It is easy to overlook and hard to fix later.
By David Otieno 1 min
Read more - Blogsecurity
Securing IoT devices on the network
Cameras, sensors and smart devices are often the weakest devices on a network. Isolate, update and monitor them.
By David Otieno 1 min
Read more - Bloginfrastructure & networking
Industrial networks in harsh environments
Dust, heat, vibration and electrical noise demand industrial-grade equipment, protected cabling and careful earthing.
By Vicky Ogola 1 min
Read more - Bloginfrastructure & networking
Cat6 or Cat6A: choosing the right cable
Cat6 suits most desks today; Cat6A gives full-distance 10 Gb/s and better PoE heat handling for access points and cameras.
By Vicky Ogola 1 min
Read more - Bloginfrastructure & networking
IPv6 basics for organisations
IPv6 is increasingly used by networks and providers. Understand the basics, plan addressing and secure it like IPv4.
By Vicky Ogola 1 min
Read more - Blogconnectivity
Static IP addresses: when you need one
A fixed public address helps with partner allow-lists, VPNs and on-site services — and brings security responsibilities.
By Vicky Ogola 1 min
Read more - Bloginfrastructure & networking
Diagnosing slow networks: a methodical approach
Narrow down whether the problem is the device, Wi-Fi, local network, internet or the application before changing anything.
By Vicky Ogola 1 min
Read more - Blogsecurity
Firewall basics for small and medium organisations
A firewall is only as good as its rules. Default-deny inbound, controlled outbound, segmentation and regular updates cover most of the risk.
By David Otieno 1 min
Read more - Blogconnectivity
Point-to-point wireless links between buildings
Where trenching fibre is impractical, wireless bridges can link buildings — with clear line of sight and good planning.
By Vicky Ogola 1 min
Read more - Blogconnectivity
Video calling quality: what affects it
Upload capacity, latency, Wi-Fi quality and competing traffic decide whether calls are smooth or choppy.
By Vicky Ogola 1 min
Read more
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