FAQ - Load Balancer as a Service

Updated by Matthew Farrell on Aug 25, 2016

Audience

This article is to support customers of both Shared Load Balancer and Load Balancer as a Service (LBaaS). The responses in this FAQ document aim to provide additional clarity and expectations to both existing Shared Load Balancer customers as well as to new prospective LBaaS customers while we work to introduce LBaaS.

Q: What is Load Balancer as a Service (LBaaS)?

A: CenturyLink Load Balancer as a Service (LBaaS) helps you build highly scalable and highly available applications by providing application-level (HTTP & TCP) load balancing. It also offers various persistence methods to ensure that a user, once connected, continues to be connected to the same application instance.

LBaaS is a load balancing solution that is meant to provide both server load balancing and high availability in an industry standard.

Q: What’s the difference between CenturyLink Cloud’s existing Shared Load Balancer service and CenturyLink Cloud’s new Load Balancer as a Service (LBaaS)?

A: LBaaS provides for all of the existing functionality or our Shared Load Balancer Service. Every feature that existed previously for SLB will be present inside of LBaaS. LBaaS however provides additional features such as:

  • TCP load Balancing

  • Load balance on any port

  • Configurable health checks

Q: What Data Center(s) is Load Balancer as a Service (LBaaS) available in?

A: As of 8/26/2016. LBaaS will be initially introduced in both UC1 and VA1. We will be expanding LBaaS Data Center availability over the coming months! Be on the lookout for future communications announcing newly enabled LBaaS Data Centers!

Q: What if I require a Load Balancer but I don’t have a presence in an LBaaS enabled Data Center (UC1, VA1)?

A: Our Shared Load Balancer service is still available for use in all non-LBaaS enabled Data Centers. Unfortunately, customers will not immediately get the benefit of the advanced features provided by LBaaS such as TCP Load Balancing, Load Balance on any port, and configurable health checks. Rest assured, our goal is to quickly and seamlessly integrate LBaaS into all of our Data Centers in short order!

Q: What do I do if I have an existing Shared Load Balancer in either UC1 or VA1?

A: This is an easy one! You don’t have to do anything! However, there is a catch (there’s always a catch!). All existing Shared Load Balancer instances created prior to 8/25/2016 in both UC1 and VA1 will remain in tact and operation just as they are today. Unfortunately however, this means that those previous instances will not be LBaaS enabled. We’re working on a feature that will allow for uninterrupted upgrade from the existing Shared Load Balancer to LBaaS. Until that feature is completed, customers can remain on SLB should they choose.

Q: As an existing Customer, how will this new service impact my bill/invoice?

A: Good question! Our existing Shared Load Balancer service is priced at $0.04/Load Balancer instance hour. Any existing load balancer deployed in UC1 and VA1 prior to 8/25/2016 will continue to bill at this rate. This also holds true for any data center that has not yet been LBaaS-enabled.

Any new Load Balancer instance created in UC1 and VA1 on or after 8/25/2016 will be priced at the new LBaaS rate of $0.025/Load Balance Instance hour coupled with $0.008/GB of data processed by the load balancer.

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