Re: Replacement to CSS

You can always tell the 'old timers'.  ;-)

Ed nailed it par usual.  Know what you want, cut the list down to those that
look they can do it and fit within your budget and the TEST IN YOUR NETWORK.
If there are any specifics that aren't clearly answered for you--come back
to the list and ask around.

A comment on the 'research the vendors support history'--be careful.
Everyone of us vendors can find you a glowing "their support is the best"
customer for every "their support is the worst" you can find.  Customers who
have bad experiences tend to be 100 times more vocal than the ones that have
great experiences.  Lastly, support experiences from 5 years ago--may not
accurately reflect current support capability; a lot can happen in 5 years.
This is true for ALL the vendors. One of the things I think should be in
this is how good are their support tools--i.e. how easy will it be for you
to find the answer yourself regardless of the current level of support or
the particular engineer you got.



KJ (Ken) Salchow, Jr. | Manager, Technical Marketing
D 651.423.1133
M 612.868.1258
P 206.272.5555
F 206.272.5555
www.f5.com


-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of Ed
Toro
Sent: Monday, July 13, 2009 7:09 PM
To: Load Balancing Mailing List
Subject: Re: [load balancing] Replacement to CSS

As you can see, there are many people who would love to sell you a 
solution. :-)

I would suggest a few things:

1. List your business requirements in must-have/nice-to-have 
categories.Ignore "cool" features that are not on this list.
2. Develop a test plan that will test load and functionality concurrent 
with point number 1
3. Do not purchase anything until you have it working in your 
environment and passing all tests in point number 2. Also make sure that 
what you are testing is what the vendor has priced out. They sometimes 
try to sneak in a higher end device for testing then sell you something 
less.
4. Get vendor sales engineers to assist you. You might miss picking the 
best solution because it was not configured correctly.
5. Research the vendor's support history.
6. Make sure vendors know you are testing other hardware and they need 
to win your business.

Concurrent with these items you need to get an idea of budget and what 
the market can bear. You might find that the perfect solution might be 
cost prohibitive. Don't invite vendors to the table with solutions that 
are beyond your budget or you waste everybody's time include you.





Kamlesh Mungekar wrote:
> We have css11505 load balancers  configured as a box-to-box
> redundancy. We are thinking of moving away since they are almost
> reaching end of life cycle.
> Does anyone has any opinion which would be the best replacement for
> it? We use load balanacer for webfarm load balancing.
> Thanks!
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>   

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