[f-nsp] Looking to replace Alteon 180e with ServerIron

[Oliver Adam]

Yep - this should be OK. The WSM6 performance based on the datasheet is:

150K CPS at L4
50K CPS at L7

The J-x Modules will give you 8 or 4 Ports (depending on the one you 
chose). The total amount of sessions a 350/450 is able to handle max 
(concurrent sessions) is 15.000.000.

Cheers,

Oliver

At 06:15 01.12.2008, Samit wrote:
>Thanks for your valuable feedback.
>
>SI350 or SI450 w/  WSM6, J-BxG or  J-B4Gx  and Traffic Works PREM should
>fullfill my requirement am I right?
>
>Regards,
>Samit
>
>Oliver Adam wrote:
> > Correct - the limit is a global one. Moving to the bigger Foundry boxes
> > based on WSM6-2, WSM6 and WSM7 blades you are going to have limits per
> > processor (5 million per processor) but not per port.
> >
> > R, Oliver
> >
> > At 17:07 18.11.2008, Mike Allen wrote:
> >> Samit, yeah, there is no limit per port for the SI.  The numbers are
> >> global, and all are usable whether you use all the ports, or a single
> >> physical interface.
> >>
> >> Mike
> >>
> >> On Tue, Nov 18, 2008 at 5:18 AM, Samit
> >> <<mailto:janasamit at wlink.com.np>janasamit at wlink.com.np> wrote:
> >> Hi, Thanks for the datasheet, but whatever concurrent L4 sessions
> >> mentioned in the datasheet  it seems like it is total max session/sec
> >> capacity of whole box? Is there any per/port max session limit? like
> >> Alteon has only max session of 21404/interface.
> >>
> >> in->100k-sessions-->Port1(L4 switch) Port3 -->traffic-out
> >>                                            Port2
> >>                                                |
> >>                                                |
> >>                                         Proxies Farm
> >>
> >> Regards,
> >> Samit
> >>
> >>
> >>
> >> Oliver Adam wrote:
> >> > Please find the datasheets of the XL and the 350 attached (actualle the
> >> > GT-C which is the bundled version of the 350).
> >> >
> >> > Regards,
> >> > Oliver
> >> >
> >> > At 15:52 17.11.2008, Samit wrote:
> >> >> Hi,
> >> >>
> >> >> I am using Alteon 180e as a L2 switch for my web traffic
> >> redirection to
> >> >> squid cache since last 7 years, without any problem. The specs of
> >> Alteon
> >> >> web switch says it can support 24k web sessions/sec.  But per
> >> interface
> >> >> slb maximum session in the switch  is 21504 and total slb max
> >> session is
> >> >> 172032, which is not mentioned in the datasheet.
> >> >>
> >> >> Currently I have aggregated 30,000 web redirection sessions per/sec
> >> and
> >> >> I am managing this sessions by dividing the traffic  and sending it
> >> >> in 3 different ports of 180e. I recently observed that 180e is missing
> >> >> connection some time and my users are getting 'tcp reset" . I
> >> believe it
> >> >> is hitting the box session limit to high no of concurrent sessions per
> >> >> sec, though the box shows terminated connection occasionally because
> >> >> while I bypass traffic of few prefixes to decrease the sessions it
> >> runs
> >> >> just fine.
> >> >>
> >> >> The traffic is rapidly increasing I would just  send the traffic for
> >> >> redirection from just 1 port  but unable to do so.... What would be
> >> the
> >> >> best alternative to upgrade this switch in terms of price and
> >> >> performance?
> >> >>
> >> >> I required at least 100k sessions/sec inbound L4 web redirection
> >> session
> >> >> in one single  port. And 3 Gig port is adequate for me.
> >> >>
> >> >> Nortel Alteon 3408E is way way too expensive comparatively to
> >> Alteon180e
> >> >> which is available  in ebay for 300$. Can any Foundry's older
> >> models can
> >> >> do it?  like "T8SLBF ServerIronXL/G 8 port Gigabit SX, 400Mhz
> >> processor,
> >> >> 32MB DRAM, Internet IronWare" , SI 350Any other good suggestions?
> >> >>
> >> >> Regards,
> >> >> Samit
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> >
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