Cisco NCS 560 Series
The Cisco NCS 560 Series (e.g., NCS 560-4) is a modular router platform serving access and aggregation roles capable of profound scale. Depending on the line cards, it leverages Broadcom Qumran and Jericho ASIC subsets.
Buffer Architecture
| Field | Value |
|---|---|
| Total Buffer | Line card dependent (Deep Buffer) |
| Buffer Model | Virtual Output Queueing (VOQ) |
| System Control | 32 GB RAM on Route Switch Processors (RSP) |
| Target Role | High-density aggregation |
| Forwarding ASIC | Broadcom Qumran / Jericho based |
Key Architectural Points
- Provides a fully modular, scalable deep-buffer architecture utilizing similar merchant silicon to the fixed NCS 540/5500 routers.
- The Route Switch Processors (RSPs) offload control-plane and data-plane scheduling, while the interface modules provide the packet buffering pools.
- Virtual Output Queueing (VOQ) handles advanced traffic management across the chassis fabric.
See the Broadcom Qumran and Broadcom Jericho architecture pages for ASIC specifics.