port congestion
Technical term in computing referring to a situation where a network port becomes overloaded with traffic, leading to delays or packet loss.
Response times are increasing due to port congestion on the server.
Compound of ポート (from English 'port') and 輻輳 (congestion/convergence). The kanji 輻輳 literally means 'spokes of a wheel gathering at the hub', metaphorically extended to network congestion.