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For any proxy service requiring constant availability

a single power source is a single point of failure

Short interruptions can trigger client timeouts, data loss, and reputational harm

Achieving seamless availability demands more than luck—it requires intentional redundancy

Redundant power means having multiple independent power paths that can take over instantly if one fails

Implementing this requires thoughtful integration of components, settings, and operational procedures

Begin with enterprise-grade hardware featuring dual PSUs

Many enterprise grade servers come with this feature built in

Each PSU operates in parallel, redistributing load dynamically upon failure

Connect each power supply to a separate power circuit

Use power sourced from separate substations to eliminate common failure points

No single electrical fault should be capable of silencing your proxy service

Equip every power line with its own UPS unit

Beyond runtime, UPS systems filter voltage fluctuations and suppress electrical interference

Ensure battery capacity supports operation through anticipated blackout durations

Verify that battery replacement is possible without powering off the system

Deploy independent UPS systems to avoid shared failure modes

Continuous monitoring is non-negotiable for proactive maintenance

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Ensure escalation paths include off-hours responders to guarantee rapid intervention

Integrate with ticketing systems to auto-create service requests

Your physical environment must mirror your system’s redundancy

Don’t assume—they must document and prove their power architecture

Install an auto-starting diesel or natural gas generator with transfer switch

Schedule monthly generator load tests and simulated power loss drills

Finally, document your entire power redundancy setup

Include wiring diagrams, hackmd contact information for your power provider, UPS maintenance schedules, and emergency procedures

Clear documentation reduces mean time to recovery and onboard staff faster

True resilience is measured in recovery, not perfection

Engineering redundancy turns potential disasters into minor incidents

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