Microsoft ISA Server looses high availability
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Well, a sort of...
Actually Microsoft ISA Server 2004 doesn't offer high availability for link connectivity features and upcoming ISA Server 2006 will not provide such features as well.
But always counted on a couple of great 3rd parties products doing this since ISA Server 2000 dawn of the time: Stonesoft StoneBeat FullCluster and Rainfinity RainWall (by the way both offer high availability capabilities for Check Point VPN-1 as well).
The first one discontinued its offering for the Microsoft product some time after the released of ISA Server 2004, letting Rainfinity dominate the niche market.
Yesterday EMC Corporation announced its acquisition of Rainfinity, followed by an email warning stating the company decided to discontinue RainWall and RainConnect products.
While you can approach the problem from a hardware point of view, with products like F5 BIG-IP or Radware LinkProof, at this point there are no other software solution available for this highly requested (and I would say mandatory) feature, and we'll have to hope for the next release which is likely to be ISA Server 2009, based on recent codename Longhorn delays.
Actually Microsoft ISA Server 2004 doesn't offer high availability for link connectivity features and upcoming ISA Server 2006 will not provide such features as well.
But always counted on a couple of great 3rd parties products doing this since ISA Server 2000 dawn of the time: Stonesoft StoneBeat FullCluster and Rainfinity RainWall (by the way both offer high availability capabilities for Check Point VPN-1 as well).
The first one discontinued its offering for the Microsoft product some time after the released of ISA Server 2004, letting Rainfinity dominate the niche market.
Yesterday EMC Corporation announced its acquisition of Rainfinity, followed by an email warning stating the company decided to discontinue RainWall and RainConnect products.
While you can approach the problem from a hardware point of view, with products like F5 BIG-IP or Radware LinkProof, at this point there are no other software solution available for this highly requested (and I would say mandatory) feature, and we'll have to hope for the next release which is likely to be ISA Server 2009, based on recent codename Longhorn delays.
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