VLSI has unveiled a range of off the shelf integrated circuits for high bandwidth and highly aggregated Internet based telecoms and datacoms applications.
This is the first time that the chip manufacturer has produced a set of standard devices for companies such as Cisco and 3Com to put into their router, switch and concentrator families. Each integrated circuit is traditionally custom made for each wide area networking vendor.
The offerings comprise framers and high level data link controllers (HDLC). Framers identify where data being sent down the wire begins and ends and also check for data errors.
HDLCs then ensure that the data being sent is pure, before sending it to the processor inside the networking device.
Omer Wehunt, VLSI's senior product marketing manager, claimed that each of the company's ST28 framers also offers 28 channels for people logging onto the Internet, which is eight more channels than rival offerings.
He continued that VLSI could also link three framers to one of its P2048 HDLC controllers to provide a total of 2,048 channels - three times more than existing offerings.
"We offer more channels and our price per channel is 20 per cent cheaper than the competition," he added.
The P2048 HDLC, which is due to ship in August, provides increased density and bandwidth and a combined full duplex aggregate throughput of up to 135 Mbps.
The ST28 framer, which is available now, includes internal context random access memory to share logic for framing, error and performance monitoring, facility data links (FDL), robbed bit signaling and slip buffers.
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