Congestion, Backlog & Flow Breakdown

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Work, matter, information, people, or value cannot move through a path or service system at the required rate, distribution, or continuity.

This problem family contains 28 solution archetypes and 201 mechanisms. Choose a more specific problem pattern below; each subfamily page drills into the mechanisms inherited from its archetypes. Click a column header to sort.

Problem subfamily	Mechanisms	Archetypes	Description
Persistent Rate Mismatch & Binding Bottleneck	43	5	A stage, pathway, setup barrier, transient state, or downstream receiver persistently processes less than upstream work supplies, limiting whole-system throughput over the relevant interval.
Queue Order, Class & Waiting-Path Failure	38	5	Waiting items suffer blocking, starvation, misrouting, or unnecessary occupancy because service order, class separation, fairness, and place preservation do not fit case differences.
Routing, Distribution & Endpoint Failure	44	7	Flow pools, takes costly paths, misses viable capacity, or breaks at fanout endpoints because access representations, routing, and topology do not distribute it effectively.
Temporal Burst & Cadence Concentration	32	5	Otherwise serviceable demand is concentrated into irregular bursts, synchronized peaks, or poorly matched episodes that exceed transient capacity despite acceptable average rates.
Uncontrolled Admission, Work in Progress & Backlog	44	6	Work is accepted or activated faster than it can be completed, allowing hidden, unbounded, stale, or unsafe queues and too many partial commitments.