RabbitMQ aplinkoje ryšys (connection) yra TCP ryšys su brokeriu, o kanalas (channel) yra lengvas virtualus ryšys, esantis ryšio viduje. Teisingas kanalų naudojimas (o ne daug ryšių) yra svarbus efektyvumui ir yra labiausiai rekomenduojama praktika.
Ryšiai ir kanalai
CONNECTION → a TCP connection to the RabbitMQ broker:
→ relatively HEAVY (a real network connection, with overhead to establish/maintain)
CHANNEL → a lightweight, virtual connection MULTIPLEXED over a single TCP connection:
→ many channels share one connection → lightweight; most operations happen on channels
→ publishing, consuming, declaring queues → done via channels
→ one connection can have MANY channels (multiplexing reduces TCP overhead)
