BENEFITS:

A standard 10 Gbps Interface

Provides 40 Gbps of Backplane Bandwidth

Can Provide Eight Traffic Classes Per Queuing Engine

No Switch Chip is Needed Supports Mesh Mode Configuration

Can Operate in a Dual Star Fabric Configuration

Can Connect Directly to Framers or Macs

Can Connect Directly to NPUs and CPUs

Can Easily Operate with Existing GigaStream Devices

Traffic is Only Sent to Active and Working Switch Chips

FEA TURES:

SPI4.2 Interface

16 High-speed Serial Links

Dual Ingress and Egress Queuing Engines

Direct Mode

Fabric Mode

Framer Interface

Packet Interface

Interfaces with Existing GigaStream Devices

Automatic Load Balancing Across Switch Chips

GigaStream® 10 Gbps Queue Manager with Integrated SPI4.2 Interface

NETWORK PRODUCTS

PB-VSC0874-001

VSC874

APPLICA TIONS:

IP Service Appliances

Edge/Access Routers

Multi-service Provisioning Platforms

3G Wireless Platforms

Media Gateways

VSC874

10 Gbps GigaStream Queue Manager

HSSL

MANAGER

HSSL

MANAGER

DATA PROCESSING

DATA PROCESSING

JTAG Interface

JTAG Interface

HSSL

Load

Balancer

SPI4.2

PHY

LOGIC

Reorder

Manager

QUEUING/SCHEDULING

QUEUING/SCHEDULING

...

...

Ingress Queues

Egress Queues

Packet

Segmentation

Static

Load

Balancer

...

Reassembly Buffers

Packet

Reassembly

Parallel

Interface (CPU)

Parallel

Interface (CPU)

I2C Interface

(CPU)

I2C Interface

(CPU)

HSSL

MANAGER

HSSL

MANAGER

HSSL

Load

Balancer

Reorder

Manager

QUEUING/SCHEDULING

QUEUING/SCHEDULING

...

...

Ingress Queues

Egress Queues