The Miserable State of Modems and Mobile Network Operators
(golioth.io)
Golioth recently received a number of customer reports regarding connectivity issues on a specific vendor’s cellular chipset series. We immediately contacted the vendor and began working towards reproducing and isolating the behavior. What ensued was a lengthy investigation that ultimately revealed some unexpected and highly undesirable behavior. This is a story of the complexities of cellular connectivity, the perils of closed ecosystems, and how to debug what you cannot see.
Golioth recently received a number of customer reports regarding connectivity issues on a specific vendor’s cellular chipset series. We immediately contacted the vendor and began working towards reproducing and isolating the behavior. What ensued was a lengthy investigation that ultimately revealed some unexpected and highly undesirable behavior. This is a story of the complexities of cellular connectivity, the perils of closed ecosystems, and how to debug what you cannot see.