RE: Cluster technologie ?

I thought Arrays provide load balancing for web proxy only, while NLB
provides for all traffic?


----- Original Message -----
From: "Periyasamy, Raj" <psraj@xxxxxxxxxxxx>
To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
Cc: "'[ISAserver.org Discussion List]'" <isalist@xxxxxxxxxxxxx>
Sent: Friday, February 01, 2002 12:02 PM
Subject: [isalist] RE: Cluster technologie ?


http://www.ISAserver.org


For creating an ISA array, you need AD. If you dont have AD, and still need
fault tollerance, look into NLB solution. If you have AD in place just look
into ISA arrays. Arrays are better as they also provide service level fault
tollerance and CARP.

Regards,

Raj




-----Original Message-----
From: Armando Treviño López [mailto:armando.trevino@xxxxxxxxxxx]
Sent: February 01, 2002 11:44 AM
To: [ISAserver.org Discussion List]
Cc: psraj@xxxxxxxxxxxx
Subject: RE: [isalist] RE: Cluster technologie ?


How can you create an array of two ISA's in standalone mode? without AD.
I have FW client in all my pc's so maybe it's preferable.

What choice is better? NLB in DNS or arrays in ISA console.

Regards.
Armando.

-----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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