多た方ほう向こう展てん開かい

Meanings

1

multicasting

Technical computing term for sending data to multiple destinations simultaneously.

open, unfold, unseal

ブロードキャスト
ブロードキャスト sends to all nodes on a network, while 多方向展開 sends to a specific group.
ユニキャスト
ユニキャスト sends to a single destination, unlike 多方向展開 which sends to multiple.

Compound of 多方向 (multi-direction) and 展開 (development, deployment), used as a technical translation of 'multicasting'.