RE: Cluster technologie ?

Tom,
Thank you for the details. I will refer to the site link you have given...



Regards,

Raj




-----Original Message-----
From: Thomas W. Shinder [mailto:tshinder@xxxxxxxxxxxxxxxxxx]
Sent: February 01, 2002 10:12 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Cluster technologie ?


http://www.ISAserver.org


Hi Raj,

Look at the contents of the file and you should see the names of the
proxy servers in the file.

HTH,
Tom
www.isaserver.org/shinder


-----Original Message-----
From: Periyasamy, Raj [mailto:psraj@xxxxxxxxxxxx] 
Sent: Friday, February 01, 2002 9:01 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Cluster technologie ?

http://www.ISAserver.org


Tom,
This is interesting, If my browser is configured to use auto
configuration
script from PROXY1 (http://proxy1:8080/array.dll?Get.Routing.Script),
and
when I start my browser if PROXY1 is down, how does the auto
configuration
script get initialized ?


Regards,

Raj



-----Original Message-----
From: Thomas W. Shinder [mailto:tshinder@xxxxxxxxxxxxxxxxxx]
Sent: February 01, 2002 9:52 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Cluster technologie ?


http://www.ISAserver.org


Hi Raj,

That is the beauty of the autoconfiguration script to allow for client
side routing of Web requests!

HTH,
Tom
www.isaserver.org/shinder


-----Original Message-----
From: Periyasamy, Raj [mailto:psraj@xxxxxxxxxxxx] 
Sent: Friday, February 01, 2002 8:30 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Cluster technologie ?

http://www.ISAserver.org


Hi Tom,
In case a server fails, how does the client get re-routed to the
surviving
server? Can this function work without firewall client too?

Regards,

Raj


-----Original Message-----
From: Thomas W. Shinder [mailto:tshinder@xxxxxxxxxxxxxxxxxx]
Sent: February 01, 2002 9:28 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Cluster technologie ?


http://www.ISAserver.org


Hi Raj,

Caching array DO NOT require the firewall client AT ALL.

HTH,
Tom
www.isaserver.org/shinder


-----Original Message-----
From: Periyasamy, Raj [mailto:psraj@xxxxxxxxxxxx] 
Sent: Friday, February 01, 2002 8:18 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Cluster technologie ?

http://www.ISAserver.org


You can use arrays too. The specific reason why I did not use arrays is
because arrays require Firewall client software to be installed in all
workstations. Arrays also make use of CARP for cache lookup, this is a
plus.
However, if you dont want to use FW client in all workstations, NLB is a
good choice. 

Regards,

Raj




-----Original Message-----
From: Paul Drumm [mailto:P.Drumm@xxxxxxxxxx]
Sent: February 01, 2002 9:16 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Cluster technologie ?


http://www.ISAserver.org


I thought you could put isa servers in an array and that the array would
take care of this?  Any drawback to this compared to the NLB?

-----Original Message-----
From: Periyasamy, Raj [mailto:psraj@xxxxxxxxxxxx]
Sent: Friday, February 01, 2002 9:10 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Cluster technologie ?


http://www.ISAserver.org


It's a feature available in Advanced Server. I have two identical ISA
servers. both are load balanced with NLB. Users access the ISA server
using
its virtual name. NLB server automatically divides the load between the
2
servers, and in case if one server fails, all users are moved to the
surviving server.

Regards,

Raj




-----Original Message-----
From: Paul Crisp [mailto:PCrisp@xxxxxxxxxxxxxxxxx]
Sent: February 01, 2002 9:08 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Cluster technologie ?


http://www.ISAserver.org


How do you use the NLB, is it a feature of Win2000 Advanced Server, or
is it
available in Win2000 Server

Paul Crisp
Snr Network Support Analyst

Tel No : 020 7 827 5201
Fax No: 020 8 330 7051


-----Original Message-----
From: Periyasamy, Raj [mailto:psraj@xxxxxxxxxxxx]
Sent: 01 February 2002 14:03
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Cluster technologie ?


http://www.ISAserver.org


I use NLB for load balancing two of my ISA servers. Users are
automatically
moved to the other server in case if one fails. However, NLB does not
provide fault tolerance for service failures. For this you may combine
the
Service recovery feature of Windows 2000 and NLB to achieve some level
of
fault tolerance and recovery.

Regards,
Raj


-----Original Message-----
From: Philippe [mailto:pmathon@xxxxxxxxxxxxxx]
Sent: February 01, 2002 5:51 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] Cluster technologie ?


http://www.ISAserver.org


Hi all of you,

Could someone tell me if ISA Server can be use in a Windows 2000 cluster
technologie. The fact is that I want to my users not be deconnected if
the
ISA Server fall down !

Thanks in advance.

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