Home » Reasons for Migrating from F5 Big- IP to KEMP LoadMaster

Reasons for Migrating from F5 Big- IP to KEMP LoadMaster


The benefits of cloud enablement are well understood, but that doesn’t mean that business leaders decide to immediately migrate all applications to the cloud. Cloud technology brings new technical and financial challenges.

Deploying applications to the cloud can introduce many unknowns. As a result, I.T departments usually resist adopting a big bang migration and rather pursue a safer strategy consisting of smaller steps.

The criterion for selecting the best load balancing vendor should be the ability to simplify cloud migration. However, many existing vendors cannot support this due to their rigid licensing structure. It simply becomes too expensive to migrate at a safe pace, which forces many to go with the risky big bang approach.

Migration approach & issues

A guarded strategy for cloud enablement is to approach with one leg in the cloud and one leg on-site. Each application leg acts as a backup to the other. If there is an unforeseen event in the cloud, the on-site application will take over. This type of approach reduces risk to an absolute minimm.

Lowering the risk comes at a price. With traditional load balancing, vendors such as F5 deploy an idle load balancer, either in the cloud or on-site. The price is the price of the license even if the device is not active and is just working in backup mode.

If you find yourself in this dilemma, a better option would be to stage the camp internally and then migrate applications to KEMP LoadMaster. This way, you will be able to capitalize on the metered license (MELA) functionality. Metered licensing is based on combined throughput, not the number of instances. This approach facilitates migration design flexibility without additional licensing costs. The prime objective of KEMP Technologies is to simplify the cloud migration strategy.

Once the applications are migrated, administrators can take advantage of the ease of use, world-class support, platform ubiquity, license migration flexibility, not to forget great value. Let us now review the merits.

1. Ease of use

KEMP’s products are designed to offer the same consistent experience across all platforms. Regardless of the application delivery platform, KEMP offers a consistent user interface (UI), and application programming interface (API) among all devices. This means that once the upfront learning curve is complete, the administrators can easily administer all ADC instances, regardless of where and how they are installed.

2. World-class support

KEMP goes above and beyond the service level agreement (SLA) and on every occasion exceeds customer expectations. Our experienced staff are expertly trained in advanced networking and security skills along with in-depth application knowledge acquired in real customer scenarios. The skillset of the support staff is maintained at a high level through internal training and external certifications from organizations such as VMware and Microsoft.

The support philosophy is focused to get the application working and never to pass the buck because it’s not a load balancing problem. The customer has the trust and peace of mind that when they dial the support number, the problem will be fixed.

The first person to answer the call is a technical engineer who takes ownership, and works until the issue is resolved. It’s a subtle but important difference amongst other load balancing vendors that gives KEMP a 99% satisfaction rate. This satisfaction percentage is automatically generated from our support ticketing system (Zendesk) and cannot be faked.

3. Platform ubiquity

Simply put, KEMP runs on everything. KEMP LoadMaster is tailored to support more platforms than any other load balancer. This aspect makes it easy to deploy wherever and however it is needed, whether it’s KEMP hardware, virtual, cloud or bare metal on HP, Dell, Cisco, Fujitsu and Oracle servers.

4. License migration flexibility

KEMP metered license model enables administrators to install a load balancer on any platform without procuring a new license. For example, administrators can run the load balancer instance in-house on a Hyper-V environment. They can move to a variety of public clouds, and finally back on-site, all under the same metered license. ADC instances can be deployed on-demand, at any size so that any load balancing requirement can be met immediately and at the scale required. Eventually, this license migration and deployment flexibility increases business velocity, which is the prime concern of every business.

5. Flexible usage models

The challenge that most load balancing vendors such as F5 face is the license structure. Licenses are of fixed capacity and often tied to underlying hardware capacity such as CPU cores. This limits flexibility and exhibits a static deployment model. What would happen when you have exploited all the cores or are pushing the capacity limit of a license? While a fixed capacity license or a physical appliance from F5 would need to be upgraded, a KEMP metered license will never limit throughput.

Metered licensing offers maximum flexibility for all deployment models. Administrators can deploy and change an instance of any size without the need to stop and change the licensing. LoadMaster supports a smooth operational model that may be tailor-licensed in a variety of ways to meet differing usage models.

6. Best value

KEMP offers the right price for the cloud. Metered license enables the administrators to buy a license and install as many load balancing instances under the same license as is required. This facilitates a better cloud migration strategy and supports optimum high availability designs in a cost-effective fashion. With F5, a highly available pair would require two licenses, while with KEMP metered licensing, usage is only counted on active instances greatly reducing the cost of deploying resilient application delivery.


Load Balancing is not just about features. There is a range of qualities that make up a solid load balancing vendor. Everything from the licensing consumption model to the right person answering your call makes a world of difference. KEMP have the features, the people and the flexible licensing model that meets the demands of cloud migration and delivering multiple applications across multiple platforms.

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