The SG1010 is a cascadable 6 port StarFabric switch that connects to other StarFabric switches or bridges to create StarFabric switch fabrics. The SG1010 switch provides 30 Gbps of aggregate, non-blocking, full-duplex switching capacity through six StarFabric links. Each link can simultaneously transmit and receive at 2.5 Gbps. A standard link is made up of four aggregated 622 Mbps LVDS differential pairs in each direction. Two 2.5 Gbps full-duplex links can also be bundled to create a 5 Gbps full-duplex link.
The SG1010 supports three routing methods. Address routing, which allows PCI designs to be transparently migrated to StarFabric, supports PCI traffic over the fabric without requiring any software development. Existing PCI designs can quickly take advantage of StarFabric's performance and scalability through address routing, and can further enhance performance, features and reliability by moving to native StarFabric routing methods at a future time.
Path routing and multicast routing are StarFabric native routing methods that introduce advanced features like redundancy through failover, Quality of Service, security mechanisms and multi-processor fabrics. Dolphin provides software tools and libraries to take full advantage of these advanced features.
KEY PRODUCT FEATURES
Scalability and Performance
Six StarFabric links, 2.5Gbps, full duplex
Two links can be bundled to create a 5 Gbps link
30 Gbps switching capacity
Head-of-line blocking is limited
Asymmetric link support
Three routing methods:
Standard PCI addressing supports 100% PCI software compatibility
Software compliant with the PCI Local Bus Specification Revision 2.2 and the PCI-to-PCI Bridge Specification Version 1.1.
Physical layer interface complies with the IEEE 1596.3 and TIA/EIA-644 Low-Voltage Differential Signaling (LVDS) standards.
Quality of Service
Credit-based flow control: Path-based (next turn) credits and Class of Service (CoS) credits
Four Classes of Service with separate buffering for each. Supported classes are:
- Standard PCI address routing
- Path routing
- Multi-cast routing
Design limits head-of-line blocking
Dynamic bandwidth reservation protocol
Reliability, Availability and Serviceability
Link-by-link CRC checking on all traffic
Fault detection and isolation
Redundant path routing capability
Path protection capability on register accesses for security
Flexible event dispatch functionality either locally or remotely
In-band PCI interrupt routing with legacy "swizzle" based on device number
Supports software generated StarFabric Special Frames
Supports two semaphores with six operations per semaphore
SROM interface for register pre-load and vital product data
IEEE standard 1149.1 JTAG interface
Eight general-purpose I/O pins with accessible registers
LED indicators for each differential pair
- high priority traffic classes