FaultLine blog
Guides, company updates, engineering notes, and customer-support deep-dives.
Why symmetric upload speeds matter (more than you think)
Streaming a 4K screen share? Pushing a Time Machine backup? Here is why your upload pipe matters as much as download.
guidesWi-Fi 6E vs Wi-Fi 7: a practical buyers guide
You probably do not need Wi-Fi 7 yet. Here is the honest breakdown for normal homes and where the upgrade really pays off.
companyRural fixed-wireless pilot: 6-month update
Where our Phase 2 buildout stands across Cochise and Graham counties, and what we learned from the pilot families.
guidesChoosing your first mesh network
A 1500 sq ft apartment does not need three mesh nodes. Here is how to right-size your home network without overspending.
companyQ3 network investments: 14 new pops, 2 IXPs
We are doubling capacity in the Tucson metro and adding new peering arrangements that should reduce gaming latency by ~30%.
engineeringUnderstanding bufferbloat (and how we tune around it)
Why "fast internet" can still feel slow during a video call, and what AQM is doing on every FaultLine router.
engineeringIPv6 rollout: 100% of residential customers
Dual-stack is now the default. Pure IPv6 + DS-Lite for new fiber drops in 2025.
businessSmall business internet checklist (pre-move)
Moving offices? Run this 10-step list before signing a lease so connectivity is not your moving-day surprise.
guidesHome router security: 8 settings to change today
Default admin passwords, WPS, UPnP — and a few less-obvious ones we recommend changing on day one.
guidesTips for low-latency gaming on a shared connection
How to actually use QoS without making things worse, and why "Gaming Mode" labels on routers are mostly marketing.
guidesBuilding a tidy home network rack (without the cost)
A weekend project that pays you back every time you reboot equipment.
guidesISP 101: a glossary of the terms we use
PoP, GPON, BGP, AQM, MoCA — what these mean and when they actually affect you.
engineeringQ2 incident postmortem: April fiber cut
A construction-related cut took us 4h 12m to restore. Here is the timeline and what we are changing.
supportHow we diagnose noisy coax lines (from your couch)
A surprising amount of cable issues are diagnosable from MER and uncorrectable codeword counts. Here is the playbook.
engineeringFTTP vs FTTC: what FaultLine deploys, and why
Why we will never deploy fiber-to-the-curb in a new build, even when it is cheaper short-term.
guidesStreaming bandwidth cheatsheet (2024)
Real bandwidth requirements per platform and resolution, including the buffer headroom you actually need.
companyWhy our fiber upload speeds match download
Asymmetric tiers are an artifact of older cable plant. On fiber there is no good reason to throttle uploads — so we don't.
guidesWFH network tune-up: 45 minutes, big payoff
A repeatable checklist for getting your home network production-ready before your next quarter starts.
guidesFixed wireless vs satellite: an honest comparison
Both have their place. Here is how they actually compare on latency, reliability, and weather sensitivity.
companyLaunching FaultLine Edge: business routers, built right
A pragmatic line of business routers with VLANs, IPsec, and the management features SMBs actually want.