![]() ![]() GSLB can also be used to control which users are directed to which data centers. ![]() Improved control over the user experience Otherwise, ordinarily, user traffic is distributed across both active data centers, based on a real-time, intelligent assessment of the nodes that will deliver the best performance for each user. Now, in the event of an issue or maintenance at one data center, all user traffic is directed seamlessly to the remaining data center, ensuring the high availability of the storage systems. ![]() The organization deployed a clustered pair of load balancers at each data center for local load balancing, and used the built-in GSLB functionality for load balancing and high availability across the two sites. There are high speed links between the two data centers and the users, who are at a third location. The data centers each have a ten node object storage cluster, that is replicated to the cluster at the other site. When routine maintenance is required, organizations can also use GSLB to temporarily direct user traffic to an alternative site, avoiding the need for disruptive downtime.Įxample: A large medical facility in Europe currently uses GSLB capabilities to improve the availability of vitally important data storage systems, located at two geographically separate data centers. Organizations can use GSLB to constantly monitor application performance at geographically separate locations and ensure the best possible application availability across multiple sites. Improved resilience and high availabilityįirstly, GSLB improves the resilience and availability of key applications, by enabling all user traffic to be switched instantly and seamlessly to an alternative data center in the event of an unexpected outage. Improved control over the user experience.Improved resilience and high availability.The benefits of GSLB can be broadly grouped into two categories: In all these instances, GSLB allows organizations to deliver a high quality, reliable experience for users, no matter where they are in the world and no matter where their applications and data are located. Many have made the strategic decision to split their data resources across multiple locations, to improve business resilience and reduce costs. Equally, GSLB can detect users’ locations and automatically route their traffic to the best available server in the nearest data center.ĭemand for GSLB has grown significantly in the last three years, as large numbers of organizations have migrated away from traditional on-premise systems and have instead created hybrid cloud and hosted environments. If one server, in any location, fails, or if an entire data center becomes unavailable, GSLB reroutes the traffic to another available server somewhere else in the world. Just as a load balancer distributes traffic between connected servers in a single data center, GSLB distributes traffic between connected servers in multiple locations. GSLB is the technical mechanism used to distribute internet and corporate network traffic across servers located in multiple locations, anywhere in the world – whether these servers are in an organization’s own data centers or hosted in a private or public cloud. And if you already have a appliance or virtualized solution, then you already have the additional technology you may need to improve your application availability and user experience across multiple locations. So we're going to delve into global server load balancing - what it is, how to configure it, and what's really going on with those application improvements. As these benefits play a key role in our mission to ensure your applications never break, our ever-improving GSLB functionality is a standard part of our core products – at no additional charge (unlike some other vendors). Ultimately, GSLB can deliver improved application resilience and high availability, while also allowing more control over your users' application experience. Since then, we've continually enhanced this functionality, making GSLB both: So much so, that three years ago, in response to demand from our customers and partners, we took the plunge and included GSLB capabilities in our products. It's fair to say we've had mixed feelings about GSLB in the past.īut over the last decade, we've developed a huge amount of experience and knowledge around globally load balancing servers. Global Server Load Balancing (GSLB) enables you to distribute internet or corporate network traffic across servers in multiple locations, anywhere in the world.
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