noun
high-speed communication network
Technical term used in computing and telecommunications for networks capable of fast data transmission.
新しい高速通信網の整備が進んでいる。
The development of a new high-speed communication network is progressing.
この地域では高速通信網がまだ整っていない。
High-speed communication networks are not yet in place in this area.
ブロードバンド refers to broadband internet access in general, while 高速通信網 emphasizes the network infrastructure itself.
Compound of 高速 (high-speed) + 通信 (communication) + 網 (network). A straightforward modern technical term.