WAN (wide area network), còn gọi là "mạng diện rộng", dùng trong vùng địa lý lớn thường cho quốc gia hay cả lục địa, phạm vi vài trăm cho đến vài ngàn km.
WAN (wide area network), also known as "Wan", used in large geographic regions for the country or continent, the range of several hundred to several thousand km.
WAN (wide area network), also known as "wide area network", used in large geographical areas often national or continent, the range of several hundred to several thousand kilometers.