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PGW (Packet Data Network Gateway)

PGW or PDN GW is intended for use by telecom operators within the EPC (Evolved Packet Core) architecture of the LTE/4G standard. The node provides subscriber connectivity to external networks (Internet, IP networks), traffic management, QoS, and billing.

The Stingray PGW solution is an intelligent gateway that forms the foundation of the network and provides high performance, flexibility and traffic control.

Key features and capabilities of PGW:

  • Assignment of IP addresses (IPv4/IPv6) to subscribers
  • Management of data transmission sessions
  • Quality of Service (QoS) assurance
  • Policy and Charging Enforcement Function (PCEF)
  • Integration with billing and security systems such as firewalls, intrusion detection systems (IDS), intrusion prevention systems (IPS), antivirus software, and billing security gateway (BSG)

Advantages of SSG PGW

Complies with 3GPP standards and supports all necessary interfaces

PGW can be supplied separately without PCEF. In this case, PGW is integrated with PCEF manufactured by other vendors

Allows subscribers to connect to the operator’s EPC via S2a (Wi-Fi offload), S2b (VoWiFi) interfaces

Try the PGW solution for free on your own hardware or virtual machine

How it works

Stingray PGW from VAS Experts integrates into the LTE operator’s core at the border with external networks and interacts with the operator’s EPC systems via the following interfaces:

  • Gx: between PCRF and PGW (Diameter)
  • SGi: between PGW and external data networks
  • S5/S8: between SGW and PGW (GTPv2). S8 connects an external SGW and the home PGW when users are roaming; S5 connects a local SGW and a local PGW
  • S2b: between ePDG and PGW
  • S2a: connection with TWAN, trusted Wi-Fi networks
  • S6b: integration with authentication systems for non-3GPP network subscribers (S2a, S2b)

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