NLB/NIC Teaming/DNS Round Robin

**Anilrgowda** · 10-Jul-2007, 05:42 PM

I would like to know when should I use one of the following methods:
NLB/NIC Teaming/DNS Round Robin

It sounds to me that they do the same thing.

**Anilrgowda** · 10-Jul-2007, 05:42 PM

Yes, that's somehow what it amounts to, only that you won't use the TCP/IP properties to define clustered IP, but the NLB Management Console (during and after the creation of the NLB cluster).
In short:
- NIC teamig load balances NICs, with failover (different physical NICs behind a single virtual NIC as seen from the OS)
- NLB load balances network traffic between servers, with failover (different servers behind a single IP address as seen by the network clients)
- DNS round robin "load balances" IP addresses, without failover (different IP addresses behind a single FQDN as seen by the network clients)

10-Jul-2007, 05:42 PM	#1 (permalink)
Anilrgowda Administrator Posts: 18,715 Join Date: Jan 2006 Rep Power: 10 IM:	NLB/NIC Teaming/DNS Round Robin I would like to know when should I use one of the following methods: NLB/NIC Teaming/DNS Round Robin It sounds to me that they do the same thing.

10-Jul-2007, 05:42 PM	#2 (permalink)
Anilrgowda Administrator Posts: 18,715 Join Date: Jan 2006 Rep Power: 10 IM:	Re: NLB/NIC Teaming/DNS Round Robin Yes, that's somehow what it amounts to, only that you won't use the TCP/IP properties to define clustered IP, but the NLB Management Console (during and after the creation of the NLB cluster). In short: - NIC teamig load balances NICs, with failover (different physical NICs behind a single virtual NIC as seen from the OS) - NLB load balances network traffic between servers, with failover (different servers behind a single IP address as seen by the network clients) - DNS round robin "load balances" IP addresses, without failover (different IP addresses behind a single FQDN as seen by the network clients)

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