LLC Software

The General Packet Radio Service (GPRS) Logical Link Control (LLC) protocol transfers packet data between the Mobile Station (MS) and Serving GPRS Support Node (SGSN). LLC provides logical links between an MS and SGSN using the services of the Radio Link Control / Media Access Control (RLC/MAC). An SGSN uses LLC to provide logical links to the MSs within its area. LLC provides services to the SubNetwork-Dependent Convergence Protocol (SNDCP), GPRS Mobility Management (GMM), Session Management (SM) and Short Message Service (SMS) protocols.

LLC provides the following basic capabilities:

  • Acknowledged and unacknowledged information transfer
  • Flow control in an Asynchronous Balanced Mode (ABM) operation
  • Frame error detection

Trillium LLC software enables telecom equipment manufacturers of soft switches, signaling gateways, signal transfer points, service control points, media gateway controllers or other products to:

  • Accelerate time to market
  • Reduce development costs
  • Reduce project risk of internally developed LLC applications

Product deliverables consist of C source software, documentation, training, a warranty and technical support.

Additional Specifications

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