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Juniper was the first North American IP routing vendor to achieve the prestigious TL 9000 certification by the Quality of Excellence for Suppliers of Telecommunications (QuEST) Forum in the router category, for design, development, provision and service and support.



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T320 System Architecture Description

The T320 Core router has two main architectural components:

  • Routing Engine—This component provides Layer 3 routing services and network management.
  • Packet Forwarding Engines—These high-performance, ASIC-based components provide Layer 2 and Layer 3 packet switching, route lookups, and packet forwarding.

The Routing Engine and the Packet Forwarding Engines perform their primary tasks independently, although they constantly communicate through multiple 100-Mbps links. This arrangement streamlines forwarding and routing control and runs Internet-scale backbone networks at high speeds. Figure 1 shows the relationship between the Routing Engine and the Packet Forwarding Engines.

Figure 1: T320 Router Architecture

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Published: 2009-09-30