Cell Relay Archive[Date Prev][Date Next][Thread Prev][Thread Next] [Date Index][Thread Index][Author Index][Subject Index] Re: What PC 155/622 Mb ATM Card to buy ???
[Shameless advert] > I knew that a PC could not fill a OC-12 pipe... > > I hoped to use it to debug. A new OC-12 switch needs to be shaken > out by a large number of engineers. If a PCI OC-12 NIC were available, > I would have a really cheap way of debugging it. > > Just dreaming :-) No need to dream! FORE Systems have released the HE-622 adapter, a PCI card that currently has drivers for Solaris and NT (Intel & Alpha). Other drivers are not far off. This card is an pretty awesome, particularly with large MTUs. If you're interested in the capabilities of the card don't take my word for it, check out the Tolly report (Tolly document 8277). Testing for this report achieved an aggregate bi-directional throughput of over 1.0 Gbps on the Sun platform. Hope this helps... Best Regards Graham Abbott Senior Network Consultant Melbourne Office FORE Systems Australia Level 11, 580 St Kilda Road Melbourne VIC 3004 Australia Ph: +61 3 9526 3611 Fax: +61 3 9526 3686 Mobile: +61 4 1759 1116 Email: mailto:gabbott@fore.com Web: http://www.fore.com FORE Systems - building Networks of Steel ************************** FORE Systems, Inc. ForeRunner HE 622 ATM OC-12 PCI Adapter NT and Solaris TCP/UDP Application Performance and Traffic Management Evaluation Reference Number: 8277 Abstract: In order to satisfy the insatiable demand for increased server performance, ATM network interface cards (NICs) must not only provide high throughput, but also minimize their impact on server CPU consumption. Using large frame sizes helps to both increase application throughput and minimize an adapter’s use of CPU resources. Providing guaranteed bandwidth and predictable data delivery across ATM networks also requires sophisticated Quality of Service technology at all points from end-station to end-station. ATM’s traffic management capability allows industry standard end-to-end control of QoS parameters such as bandwidth allocation. FORE Systems, Inc. commissioned The Tolly Group to evaluate its ForeRunner HE 622, a PCI adapter that transfers data at OC-12 rates (up to 622.08 Mbit/s). The Tolly Group tested the adapter on a Sun Microsystems Ultra 30 workstation and a Sun Ultra Enterprise 450 server (running Solaris 2.6) and Intel Corp. (formerly Digital Equipment Corp.) Alpha (NT 4.0) platforms. Testing probed the effect of extended packet size on both server throughput and the adapter’s impact on CPU utilization. Additionally, The Tolly Group exercised the HE 622’s ATM traffic management capabilities, referred to by FORE as LAppQoS (Legacy Application Quality of Service). Download full report in Adobe Acrobat PDF format: FORE Systems, Inc. ForeRunner HE 622 ATM OC-12 PCI Adapter NT and Solaris TCP/UDP Application Performance and Traffic Management Evaluation -----Original Message----- From: owner-cell-relay@newstone.ucs.indiana.edu [mailto:owner-cell-relay@newstone.ucs.indiana.edu]On Behalf Of Shaheen Ali Sent: Wednesday, July 22, 1998 11:49 AM To: cell-relay@cell.ucs.indiana.edu Subject: CR: Re: What PC 155/622 Mb ATM Card to buy ??? "Tom Lawrence" <tom @ argustech . com> writes: > > > > Why would you want a 622Mb card for a PC? > > > > > > > You may just want to be able to attach to a switch port for debug or > > management. > > I know of almost no switches that don't support a mixture of OC-3 and > OC-12. PC-based servers connecting at OC-3 make sense... PC-based servers > connecting at OC-12 translates into about 470Mb of wasted bandwidth. I knew that a PC could not fill a OC-12 pipe... I hoped to use it to debug. A new OC-12 switch needs to be shaken out by a large number of engineers. If a PCI OC-12 NIC were available, I would have a really cheap way of debugging it. Just dreaming :-) Shaheen |
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