Re: [nssldap] Connection persistence

[Aaron Turner <synfinatic [at] gmail.com>]

FYI,
there are a ton of free/open source software based load balancing
solutions out there that will handle failover should a backend server
fall over.  Some can even be deployed as H/A pairs for full
redundancy.  Pen, HAproxy, Linux Virtual Server, etc.  Just check
freshmeat.net and search "load balancer".

-Aaron

On Thu, Nov 4, 2010 at 8:42 AM, Jim Willeke <jim@willeke.com> wrote:
> I/We have none.
> As a consultant we just do/see a lot of implementations
> Seems like most people use CISCO and we also see Juniper and Barracuda but I
> am no expert in Layer 4 switches.
>
> -jim
> Jim Willeke
>
>
> On Thu, Nov 4, 2010 at 10:18 AM, James Davis <james.davis@ja.net> wrote:
>>
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>> On 04/11/10 14:00, Jim Willeke wrote:
>> > IMHO, typically the code used for fail over is not very rich and lacks
>> > many of the features people desire as you have noted.
>> >
>> > We have found it is bes to use a layer4 switch between the users and
>> > multiple LDAP server as the layer4 switches typically have more
>> > features.
>>
>> Well it appears to have started working as expected, although I'm not
>> sure what I've fiddled with that's kicked it into life. It may have been
>> a reboot that did it. I've turned on debugging and will continue to
>> monitor it's behavior. nscd is a lot of help, although I feel
>> uncomfortable with it hiding some of the problems.
>>
>> Out of interest, what software/appliance have you been using for your L4
>> switching?
>>
>> James
>>
>> - --
>> James Davis           +44 1235 822229              PGP: 0xD1622876
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>
>



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Aaron Turner
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