The latest insights from the load balancing experts | Loadbalancer.org

High Availability

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Print
Can I load balance print servers that use PaperCut? Imannuel Graham
Here at Loadbalancer.org we’re committed to keeping enterprise print environments flowing. We work closely with all of the major print management software vendors, and because of these close relationships, we have a deep

4 min read

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Print
Printing without pain: How to scale print environments and avoid downtime Imannuel Graham
Print environments often bring together multiple technologies and applications, which can present challenges. There’s the issue of planned downtime: end-users may need to make manual changes to their network when print services fail, taking servers out of production for maintenance or updates...

8 min read

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Direct Server Return (DSR)
Direct Server Return (DSR)
15 years later, we still love DSR Andrew Howe
Some relationships fizzle out over time. You know how it goes - you change, you start fighting, you grow apart. But fifteen years on, Loadbalancer.org’s love affair with Layer 4 DR mode is

2 min read

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Healthcare
Healthcare
RSNA 2018: Future tech and present problems Jake Borman
Last month we made our annual visit to the Radiological Society of North America (RSNA) conference in Chicago. It's the place to be if you're looking to experience cutting-edge medical imaging tech, meet with vendors,

4 min read

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High Availability
High Availability
Can you load balance multiple applications at the same time? Oliver Warren
We seem to get this question quite frequently. So instead of giving the answer to everyone whenever we're asked, we thought it'd be best to write a blog about it. The short answer is yes.

4 min read

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Healthcare
Healthcare
The need for load balancing in medical imaging PACSman - Michael Cannavo
Medical information and imaging systems are expected to operate like a luxury automobile. You get in, turn the key, it starts and takes you to where you want to go. It’s not about what’

5 min read

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How-To's
How-To's
Load balancing your load balancers for endless scalability Aaron West
As the title suggests, I'm going to take a look at the concept of load balancing a cluster of inexpensive load balancers to scale out SSL capabilities (or even Layer 7 operations), rather than the

3 min read

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SSL
How to add Cloudflare in front of HAProxy Thorsten Wetzig
What is Cloudflare? Cloudflare provides a content delivery network (CDN). A CDN is a worldwide network of servers that delivers web content to clients based on the geographic location of the client. Using the Cloudflare

12 min read

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High Availability
Highly Available NFS based Kerberos KDC aka. Ganesha + GlusterFS + HAProxy. Tom Kacperski
Load balancing NFS is a real pain — especially when it comes to the locked mounts issue. In this blog I'll explain how to create a highly available NFS server for Kerberos.

8 min read

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Global Server Load Balancing (GSLB)
Global Server Load Balancing (GSLB)
I've finally found a decent reason to use GSLB! Aaron West
Yes, it's the end of an era... after many years arguing that GSLB has no place on a proper load balancer, I've finally found a solid reason to add one to our product. Yes, you read that right! I've officially surrendered and given you a new GSLB to play with...!

14 min read

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Case Studies
Case Studies
Loadbalancer.org helps mymovies deliver a secure, reliable video content service to worldwide media organizations Annu Sroa
Many of the world's leading media and entertainment businesses rely on mymovies to produce and deliver high-quality video content to enhance their film, TV and broadcast products and services. For over five years, mymovies has

3 min read

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High Availability
Hosting across multiple locations or data centres? What are my options? I'm really confused... Aaron West
We are going to discuss the options available to us when hosting applications across multiple sites or even data centres.

8 min read

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Just for Fun
Just for Fun
What is a load balancer? Annu Sroa
If your IT department or IT partner has asked you to sign off budget for a load balancer, you may be wondering what it is. More importantly, you probably want to know why your business

4 min read

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Global Server Load Balancing (GSLB)
GSLB — Why Global Server Load Balancers don’t always suck? (Polaris-GSLB) Part 2 Aaron West
In part one we were introduced to Polaris-GSLB which is a cool little open source GSLB solution, we went through a simple use case scenario and discussed the features it supports. In part two of this Blog I’m going to show you how to build Polaris-GSLB on CentOS 7.

3 min read

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Global Server Load Balancing (GSLB)
GSLB – Why Global Server Load Balancers don't always suck? (Polaris-GSLB) Aaron West
Here at Loadbalancer.org we’re not known for being huge fans of GSLB solutions as some of our customers may already know and you can see from a previous blog : [GSLB – Why Do Global Server Load Balancers Suck?](http://www.loadbalancer.org/blog/gslb-why-do-global-server-load-balancers-suck)

4 min read

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Disaster Recovery
Seamless load balancer recovery - as easy as 1, 2, 3 Rob Cooper
So, you've configured two Loadbalancer.org appliances as a clustered pair for high availability, the pair has been working fine but then one day you receive an email alert that one of the pair has

2 min read

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Reviews and Comparisons
What are the best load balancing methods and algorithms? Malcolm Turnbull
This kind of question was asked a lot more frequently ten years ago, usually followed by the second most common question: "Why do I need two load balancers?" In fact, we were asked

10 min read

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Disaster Recovery
Backups, Backups, Backups! Dave Saunders
Every system administrator, infrastructure manager and experienced user knows the importance of having current backups available... just in case!  The security of knowing you have an up-to-date version of the configuration can be worth it's

2 min read

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High Availability
Load balancing RSA SecurID Jake Borman
When the friendly folk down at RSA contacted me requesting a test load balancer for a new project the dollar signs in my eyes were glowing for all to see. RSA SecurID is widely accepted

2 min read

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High Availability
Cluster recovery made easier Rob Cooper
Loadbalancer.org has always given high-availability the utmost priority in its product design. However prior to v7.6, cluster recovery (i.e. re-synchronized master & slave appliances after a cluster failure) without downtime was a

3 min read

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Disaster Recovery
Some small changes to default settings make achieving high availability easier... Malcolm Turnbull
Loadbalancer.org has always been about high-availability, that is the fundamental reason for our products existence. Performance has always been a nice side effect while maintainability of your application cluster is generally a key sub-set

4 min read

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HAProxy
Setting up HAProxy with Transparent Mode on Centos 6.x Scott McKeown
Transparent mode with HAProxy allows you to see the IP Address of the clients computer while still having a high availability service using HAProxy. This posting shows how to setup a blank virgin installation of

3 min read

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High Availability
Load balancing an internal web server behind two Microsoft TMG 2010 servers at layer 4 using DR mode Theo Harvey
We were looking at Microsoft's new TMG server and load balancing and after a search of the web found there was not really any Guide on how to load balance incoming web connections via two

6 min read

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Microsoft
Load Balancing Exchange 2010 CAS Array with HAProxy (Quick Guide) Aaron West
This Blog is for anyone wanting to load balance the Exchange 2010 CAS role using only open source software. In my example I will be starting with a simple Debian net-install and building the HAProxy

5 min read

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High Availability
Updating your Loadbalancer.org hardware to the latest software v8.3 with a USB stick (bare metal restore). Mark Brookes
Sometimes its easier just to do a complete bare metal re-install of your hardware devices to the latest version - rather than running through all of the separate online/offline updates - which can be

5 min read

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High Availability
NTLM authenticating proxy check script Mark Brookes
We do quite a bit of work with web proxy vendors, load balancing multiple web filters/proxies with our appliances and our customers have requested a way of health checking through the proxy when they

5 min read

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X-Forwarded-For Header (XFF)
Apache and X-Forwarded-For Header (XFF) Rob Cooper
It's easier to get Apache to log client IP addresses utilizing X-Forwarded-For Headers than it is using IIS. By default, the logs do not record source IP addresses for clients - but as of Apache

4 min read

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