What is a packet core network?

Career: Packet Core Network

A Packet Core Network is the central part of a mobile telecommunications network that manages data traffic, such as internet and multimedia services, for mobile devices. It is responsible for routing data packets between users and external networks, maintaining connectivity, and ensuring secure data transmission. Packet Core Networks form the backbone of 3G, 4G, and 5G mobile networks, enabling services like web browsing, video streaming, and VoIP. Key components include the Serving Gateway (SGW), Packet Data Network Gateway (PGW), and Mobility Management Entity (MME).