Load Balancers

What’s new in LoadMaster release 7.0-4

We have really smart people working with us at KEMP both internally and externally. We love to get their expert take on new releases and technologies and find out what they’re excited about. Here’s KEMP Director of Product Research & Innovation, and dual Microsoft Certified Master for Lync and Exchange, Bhargav Shukla, on what’s in the new release.

 

LoadMaster firmware 7.0-4 just became generally available. For those who aren’t aware, LoadMaster is a load balancing and application delivery controller product delivered by KEMP Technologies.

I in particular am very excited about this release for a few reasons:

Sub-VS support

Like I mentioned earlier, Sub-VS is a feature that allows you to create Virtual services that are essentially nested. This of it this way. You have one IP public address. You want to use that IP address for all your virtual services such as Exchange, Lync, your public website and so on. To quickly visualize, here’s what it looks like:

This is exact replica of what I have running in my lab, which is at my home, with limited static IP addresses available from my ISP. As you can imagine, I can’t afford to create multiple virtual services (VS) to cater to each workload I need to publish. So what are my options? With Sub-VS functionality, I can create single VS which will listen on single public IP and given port (assume tcp/443 in this case). Now I can have multiple DNS entries in public DNS, e.g. mail.domain.com, lync.domain.com and www.domain.com which all points to single public IP. Now I can create one subvs for each workload. Each subvs can have it’s own persistence, affinity and healthcheck settings. Each subvs can have separate set of real servers behind it. All my demo clients, Outlook Anywhere, Lync 2013, browsers visiting my test website can all get their relevant content, without me scrambling for multiple IP addresses! I will provide step-by-step setup in future posts.

There are certainly more features and bug fixes that are part of this release and I can’t possibly cover them all here. My colleague Iain has posted great details here.

If you are interested in checking out Exchange 2013 setup using ESP, Exchange MVP Jaap Wesselius has published a blog post here.

Originally posted on Bhargav’s personal blog

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