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Networks
Practical guidance on enterprise connectivity, wireless, network monitoring, DNS, IPv6 and secure access.
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Networks · Practical guide
Start network segmentation with the connection you cannot safely block
Use one business flow to turn network segmentation into an enforceable boundary, with evidence of required dependencies and blocked paths.
Networks · Explainer
Private endpoints still need a DNS design
A private endpoint changes the network destination. DNS must lead every intended client to it without creating unintended gaps elsewhere.
Networks · Practical guide
IPv6 migration: make security controls work on both paths
A dual-stack service has two network paths to govern. Verify policy, logging and recovery over IPv6 as well as IPv4.
Networks · Decision guide
SD-WAN evaluation: test the slow link before the dead link
A useful SD-WAN trial shows what happens to real applications when a circuit deteriorates, both paths struggle or the primary connection returns.
Networks · Analysis
Wi-Fi 7 upgrades: check the clients before replacing the access points
Wi-Fi 7 can improve wireless capacity and reliability, but the business case depends on client devices, radio conditions and the network behind each access point.
Networks · Explainer
Network monitoring: distinguish packet loss, latency and application delay
A slow application and a red network graph can be related without having the same cause. Build monitoring that helps the team tell the difference.
Networks · Practical guide
DNS resilience: test resolution before the cache runs out
Cached answers can keep an application working while DNS is already failing. Test the full resolution path and the administrative route needed to restore it.
Networks · Practical guide
Network access control: plan the rollout around certificates and exceptions
A network access control rollout must handle the managed laptop, the ageing printer and the authentication outage. Build those cases into the pilot.
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