Microsoft and Digital/Compaq have given a major boost to networking start-up Alteon, by endorsing technology that claims to almost double TCP performance while halving processor usage.
Alteon Networks' Jumbo Frames extends the maximum Ethernet frame size, allowing more data to be tranferred between systems in fewer frames.
The start-up is working with Microsoft to increase Windows NT performance by a projected 64 per cent by developing optimised Gigabit Ethernet drivers with Jumbo Frames support.
Meanwhile, Digital is to OEM Alteon?s PCI adapters, selling them under the Etherworks 1000 PCI brand.
George Nielsen, high performance Lan option manager within Digital?s Alpha server business, said: ?Lab tests have shown that the use of larger packets can significantly reduce host CPU Lan overhead, and allow higher sustainable line rates." This was an advantage for the FDDI fibre networking technology, although this has largely lost out to Ethernet on other grounds. "FDDI?s 4,500byte packet size, for example, requires two-thirds less interrupt processing that 1,500byte Ethernet packets," said Nielsen.
Available next month, Digital Etherworks 1000 will include driver support for Digital Unix 4.0d, OpenVMS 7.1-1H1 and Windows NT Server 4.0 for Alpha.
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