Core Architecture - High-End Packet Switch Fabric for Metro and Enterprise Core Networking Systems

High-End Packet Switch Fabric for Metro and Enterprise Core Networking Systems

The core switching fabric is a highly scalable, non-blocking packet fabric that scales from 20 Gbps to 1.28 Tbps with no performance degradation, regardless of QoS profiles or traffic mix. Designed to meet the rigorous requirements of both the Enterprise Core and Metro-Ethernet markets, the switch fabric delivers bandwidth guarantees, advanced traffic engineering, and per-flow queuing across its extremely low-latency and highly-resilient fabric.

The switch fabric delivers these services using a patented Virtual Output Queued (VoQ) architecture. The architecture supports up to 16K queues to enable over 16 classes of service per physical port or physical queuing per customer for service provider applications. The switch fabric optimally schedules traffic across its fabric using a global view of bandwidth requirements. Its patented global scheduling algorithms enable support of highly-efficient and granular bandwidth guarantees, and accurate prioritization of flows through the fabric.

  • Fabric scales from 20 Gbps to 1.28 Tbps
  • Non-blocking performance with line-rate operation under all packet sizes and traffic patterns for unicast and multicast traffic
  • Patented global arbiter provides the best scheduling performance; the scheduler has global state information for every queue and port in the system
  • Supports up to 16K Virtual Output Queues for efficient scheduling