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To: Paul Engel who wrote (46186)	1/21/1998 1:22:00 PM
From: Sonny McWilliams	Read Replies (2) \| Respond to of 186894

Paul and thread. Interesting article regarding plans from Intel, CPQ, Msft and the local tel.cos. (Bells): headlines.yahoo.com Sonny

To: Paul Engel who wrote (46186)	1/21/1998 5:57:00 PM
From: Jules V	Read Replies (1) \| Respond to of 186894

I didn't notice this posted here: Last para: How does the 100mhz bus stack up against a DEC 64bit PCI? techweb.cmp.com NT Bogs Down In Gigabit Race By JEFF CARUSO and AMY ROGERS Windows NT is about 800 megabits shy of a gigabit. Granted, no server today comes close to moving 1,000 megabits of data per second. But Unix operating systems are once again showing their superior performance. ................ The advent of Gigabit Ethernet means that the server OS itself--not the network--will become the new bottleneck for communications throughput. Since enterprises will deploy Gigabit Ethernet first in server connections and campus backbones, connecting to popular Windows NT servers is key. Microsoft wants NT Server 5.0 to be the de facto server operating system. But if NT is to unseat Unix from that privileged place, it must assure IT managers that NT can cope with mission-critical processing demands. "You will see the corporate commitment to NT, but until Microsoft gets its act together with clustering and load-balancing, Unix will remain the true enterprise server," said Peter Pollack, vice president and chief technologist at MTV/Showtime Networks Inc. Although many enterprise applications do not yet demand gigabit speeds, IT managers should plan for larger loads. ................. Gigabit Ethernet will hit several major obstacles as it is connected to servers, preventing it from going faster than several hundred megabits per second. Performance depends, in part, on the server's processor, the I/O bus, the network interface card and the driver software, but the OS can also make a significant difference. Packet Engines, for instance, achieved throughput in "the mid-200s" of megabits per second on Windows NT, according to Octavio Morales, director of product management at the Gigabit Ethernet start-up. Packet Engines has double that throughput--in "the high 400s"--for Sun Solaris and in "the mid-400s" for Digital Unix on comparable hardware, he said. Alteon Networks achieved 409 Mbps on Solaris and claimed it reached 620 Mbps on Solaris with proprietary Ethernet extensions. NIC vendor Essential Communications achieved about 375 Mbps of TCP traffic running Silicon Graphics Inc.'s Irix. The company wouldn't release benchmarks for its Windows NT driver, which is still in beta tests. But the early figures are "not as impressive" as those of SGI, according to a spokesperson. Packet Engines achieved its highest speed for Windows NT--417 Mbps--on a Digital Equipment Alpha 533 system using a new 64-bit PCI bus, capable of sustaining twice the throughput of the older PCI buses used in all the other systems tested. That test also measured the less-complex UDP traffic; TCP traffic came in at a much lower speed of 237 Mbps. ............. continues...