Thanks. ----- Original Message ----- From: "Periyasamy, Raj" <psraj@xxxxxxxxxxxx> To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx> Sent: Friday, February 01, 2002 6:42 AM Subject: [isalist] RE: Cluster technologie ? > http://www.ISAserver.org > > > It does provide a "not so nice" fault tolerance. Each time a Clint requests > a DNS resolution, the Clint will get either the surviving server or failed > server name resolved. When the client gets the surviving server its fine. > When the client gets the failed server, its a bit annoying, but subsequent > retries will connect to a surviving server. Like I said not so nice, but > works... > > Regards, > > Raj > > > > > -----Original Message----- > From: paul_lemonidis@xxxxxxxxxxx [mailto:paul_lemonidis@xxxxxxxxxxx] > Sent: February 01, 2002 5:39 PM > To: [ISAserver.org Discussion List] > Subject: [isalist] RE: Cluster technologie ? > > > http://www.ISAserver.org > > > Hi guys > > But DNS round robin doesn't provide fault tolerance?? > > Paul Lemonidis. > > > ----- Original Message ----- > From: "Paul Crisp" <PCrisp@xxxxxxxxxxxxxxxxx> > To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx> > Sent: Friday, February 01, 2002 6:28 AM > Subject: [isalist] RE: Cluster technologie ? > > > > http://www.ISAserver.org > > > > > > Thats what i'm using at the moment, although I was looking for something a > > bit more solid > > > > 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 14:25 > > To: [ISAserver.org Discussion List] > > Subject: [isalist] RE: Cluster technologie ? > > > > > > http://www.ISAserver.org > > > > > > Have you looked into DNS round robin method. This may work for you. > > > > Regards, > > > > Raj > > > > > > > > > > -----Original Message----- > > From: Paul Crisp [mailto:PCrisp@xxxxxxxxxxxxxxxxx] > > Sent: February 01, 2002 9:23 AM > > To: [ISAserver.org Discussion List] > > Subject: [isalist] RE: Cluster technologie ? > > > > > > http://www.ISAserver.org > > > > > > Unfortunately in my setup we have two offices connected via routers and a > > leased line, and 2 different subnets. > > > > Both offices have ISA servers, although 1 is for outgoing access and the > > other is primarily for incoming access, although can be used as a backup > > incase outgoing access server crashes. > > > > 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 14:18 > > 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. > > > > ------------------------------------------------------ > > You are currently subscribed to this ISAserver.org Discussion List as: > > psraj@xxxxxxxxxxxx > > To unsubscribe send a blank email to $subst('Email.Unsub') > > > > ------------------------------------------------------ > > You are currently subscribed to this ISAserver.org Discussion List as: > > pcrisp@xxxxxxxxxxxxxxxxx > > To unsubscribe send a blank email to $subst('Email.Unsub') > > > > ------------------------------------------------------ > > You are currently subscribed to this ISAserver.org Discussion List as: > > psraj@xxxxxxxxxxxx > > To unsubscribe send a blank email to $subst('Email.Unsub') > > > > ------------------------------------------------------ > > You are currently subscribed to this ISAserver.org Discussion List as: > > p.drumm@xxxxxxxxxx > > To unsubscribe send a blank email to $subst('Email.Unsub') > > > > ------------------------------------------------------ > > You are currently subscribed to this ISAserver.org Discussion List as: > > psraj@xxxxxxxxxxxx > > To unsubscribe send a blank email to $subst('Email.Unsub') > > > > ------------------------------------------------------ > > You are currently subscribed to this ISAserver.org Discussion List as: > > pcrisp@xxxxxxxxxxxxxxxxx > > To unsubscribe send a blank email to $subst('Email.Unsub') > > > > ------------------------------------------------------ > > You are currently subscribed to this ISAserver.org Discussion List as: > > psraj@xxxxxxxxxxxx > > To unsubscribe send a blank email to $subst('Email.Unsub') > > > > ------------------------------------------------------ > > You are currently subscribed to this ISAserver.org Discussion List as: > > pcrisp@xxxxxxxxxxxxxxxxx > > To unsubscribe send a blank email to $subst('Email.Unsub') > > > > ------------------------------------------------------ > > You are currently subscribed to this ISAserver.org Discussion List as: > paul_lemonidis@xxxxxxxxxxx > > To unsubscribe send a blank email to $subst('Email.Unsub') > > > > ------------------------------------------------------ > You are currently subscribed to this ISAserver.org Discussion List as: > psraj@xxxxxxxxxxxx > To unsubscribe send a blank email to $subst('Email.Unsub') > > ------------------------------------------------------ > You are currently subscribed to this ISAserver.org Discussion List as: paul_lemonidis@xxxxxxxxxxx > To unsubscribe send a blank email to $subst('Email.Unsub') >