Great Circle Associates Firewalls
(September 1997)
 

Indexed By Date: [Previous] [Next] Indexed By Thread: [Previous] [Next]

Subject: Re: LocalDirector question (was: Gauntlet Performance)
From: Mike Tibodeau <mtibodea @ cisco . com>
Date: Fri, 05 Sep 1997 12:04:41 -0400
To: "Eric V. Smith" <EricSmith @ windsor . com>, "'Micheal Sean'" <padre @ Ivy . NET>, "firewalls @ GreatCircle . COM" <firewalls @ GreatCircle . COM>
In-reply-to: <01BCB900 . F88BA090 . EricSmith @ windsor . com>

I will take this question off-line.  If anyone else is interested,
let me know separately so that we do not clog up this list.

-Mike

At 07:05 AM 9/4/97 -0400, Eric V. Smith wrote:
>On Thursday, September 04, 1997 12:48 AM, Micheal Sean [SMTP:padre @
 Ivy .
 NET] 
>wrote:
>>
>> What udp apps do you deal with ? dns and ntp.  These aren't major
>> bandwidth hogs.  In fact, lookups are tcp.  What's nice about the
>> local director is between 45 and 90 Mbs throughput and true fault
>> tolerance (HSRP).  That and the fact that NO client or server
>> side software installation is needed.
>
>This is a LocalDirector question and isn't really related to firewalls, so 
>I apologize in advance.
>
>I have a client who wants to use a LocalDirector to balance load across 
>multiple web servers.  The problem is that they are maintaining state on 
>the servers, using cookies sent back to the clients to manage which state 
>information belongs to which client.  If you're familiar with Microsoft ASP 
>sessions, it's the same thing.  The upshot is that every request from a 
>given client must go to the same server.  Does anyone know if the 
>LocalDirector can handle this?  There would be an idle timeout of say 20 
>minutes after which a request from the same client would be considered a 
>new session, so it wouldn't have to have infinite memory to remember every 
>client connection ever made.
>
>Here's the firewall slant:  I'm concerned that even if the LocalDirector 
>can do this, outbound HTTP proxies at the client would cause everyone from 
>AOL, for example, to hit the same web server.
>
>Has anyone ever tried using a LocalDirector for this application?
>
>Thanks.
>
>Eric.
>
>
>
______________________________________________________________________
  Mike Tibodeau, Systems Engineer, Cisco Systems, Inc., Herndon, VA. 

		Well, if you're like me, and I know I am...


References:
Indexed By Date Previous: RE: Webserver logging
From: "Stackpole, Bill" <BSTACKPO @ sla . com>
Next: Connecting through FTP proxy
From: "Matthew Smith" <msmith @ sgii . com>
Indexed By Thread Previous: LocalDirector question (was: Gauntlet Performance)
From: "Eric V. Smith" <EricSmith @ windsor . com>
Next: Re: LocalDirector question (was: Gauntlet Performance)
From: "R. Todd Truitt" <ttruitt @ cisco . com>

Google
 
Search Internet Search www.greatcircle.com