1. Feature Guide
  2. DSR Features and Functions
  3. DSR system architecture
  4. IP Front End

2.2.4 IP Front End

The DSR IP Front End provides TCP/SCTP connection based load balancing to hide the internal DSR hardware architecture and IP addresses from the customer network. The IPFE is typically deployed in sets of Active-Active pairs and it distributes connections to DA MPs. IPFE provides load balancing of connections to DA MPs. The connections are active/active with TSAs (Target Set Addresses) and they provide TCP and SCTP connectivity.

Key characteristics of an IPFE are as follows:

  • Optional component of the DSR.
  • Supports up to two active or standby pairs with 3.2 Gbps bandwidth per active/standby pair.
  • Supported with SCTP Multi-homing.