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LeCroy unveils new error injector, traffic modification tool

Posted: 07 Mar 2005 ?? ?Print Version ?Bookmark and Share

Keywords:lecroy? sas infusion? error injector? traffic modification tool? protocol solutions group?

LeCroy Corp. introduced SAS InFusion, an error injector and traffic modification tool that allows technicians to verify real-world fault-handling for Serial Attached SCSI (SAS) and Serial ATA (SATA) systems.

Developed by the company's Protocol Solutions Group, the SAS InFusion system is designed to sit in the data path of a live system and automatically alter or corrupt traffic. Performing real time validation using actual workloads helps engineers uncover latent reliability issues that could affect system reliability, said LeCroy.

SAS InFusion offers the ability to drop packets, inject CRC or running disparity errors, as well as generate a wide range of invalid and marginal protocol conditions. The system can change any field, within any frame, as it moves across the bus. According to the press release, this allows unprecedented corner-case and protocol-level error injection for SAS and SATA traffic.

Unlike traffic generators, the InFusion traffic modifier does not require scripts or programming. It taps between a single 1.5Gbps or 3Gbps link using a standard SAS/SATA cable. The system transparently passes OOB and speed negotiation to bring the link up. The InFusion system then monitors the line, in real-time, waiting for a specific event or time interval. It can modify live traffic or pass frames through as specified by the user.

"In addition to injecting fatal link errors, the SAS InFusion system can also be used to modify header fields, at the bit-level, within a frame," commented James Wright, director of marketing of LeCroy's Protocol Solutions Group. "From invalid route table entries to out-of-order queue tags, the InFusion system can create soft errors with just a few clicks of the mouse."

Designed to be up and running within minutes, the SAS InFusion system interfaces with a host PC over the LAN through any Ethernet port. It can also be detached from the LAN and controlled as a standalone instrument in the data center. A wizard-based interface allows users to quickly create custom test scenarios, while a C++ API can be used to control the error injection functionality.

Displayed at last week's Intel Developer Forum, the SAS InFusion and SATA InFusion systems will be released in the first quarter of 2005.

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