1. An NP-Based Router for the Open Network Lab Hardware
John DeHart

2. Hardware Promentum™ ATCA-7010 (NP Blade): Two Intel IXP2850 NPs
1.4 GHz Core
700 MHz Xscale
Each NPU has:
3x256MB RDRAM, 533 MHz
3 Channels
Address space is striped across all three.
4 QDR II SRAM Channels
Channels 1, 2 and 3 populated with 8MB each running at 200 MHz
16KB of Scratch Memory
16 Microengines
Instruction Store: 8K 40-bit wide instructions
Local Memory: bit words
TCAM: Network Search Engine (NSE) on SRAM channel 0
Each NPU has a separate LA-1 Interface
Part Number: IDT75K72234
18Mb TCAM
Rear Transition Module (RTM)
Connects via ATCA Zone 3
10 1GE Physical Interfaces
Supports Fiber or Copper interfaces using SFP modules.

3. Hardware
ATCA Chassis
NP Blade
RTM

4. NP Blades

5. ONL Router Architecture
Each NPU is one 5-port Router
ONL Chassis has no switch Blade
1Gb/s Links on RTM connect to external ONL switch(es) /
5x1Gb/s
NPUA /
5x1Gb/s
SPI
NPUB
RTM
7010 Blade