The Resonate Software Load Balancing Solution

March 28, 2012


Resonate’s Central Dispatch Virtual Load Balancer (CDvLB) provides traffic management capabilities that ensure dependable performance and responsiveness for application delivery. CDvLB helps businesses meet the challenges of assuring a positive and productive remote user experience, by satisfying both end-user and IT personnel expectations with high availability and high performance traffic management.

Resonate’s Central Dispatch Virtual Load Balancer (CDvLB) provides traffic management capabilities that ensure dependable performance and responsiveness for application delivery. CDvLB helps businesses meet the challenges of assuring a positive and productive remote user experience, by satisfying both end-user and IT personnel expectations with high availability and high performance traffic management.

Resonate CDvLB is deployed within a virtual environment to allocate multiple server resources, and efficiently load balance traffic among servers to accelerate responses to users downloading applications and requesting content. CDvLB supports VMware virtual platforms. For example, within VMware’s infrastructure API,CDvLB collects real-time information such as CPU, memory and traffic load, and combines this data with network performance statistics to intelligently manage traffic among the server pool. CDvLB works with the VMware Distributed Resource Scheduler (DRS) and Vmotion, allowing administrators to configure triggers to start, shut down, or move virtual servers based on network performance metrics that are not monitored by VMware.

CDvLB will triggerVMware to initiate additional server resources when they are needed. When traffic decreases, CDvLB automatically turns those server resources off. Administrators can also use custom scripts. For example, if CDvLB discovers a virtual server failure, a standby server can be activated, and then CDvLB will restart the failed server.

As the number of servers increase, so does the management. Unfortunately, when using virtualization technologies, companies still deal with manual configurations and changes as they monitor and maintain systems to ensure optimal availability and performance. Resonate’s CDvLB monitors server health and performance, while automating the distribution of server resources, thus minimizing manual intervention.

The need for CDvLB

Server virtualization deployments have outgrown physical server installations, yet the ability to manage these resources can still be a challenge. Automated server resource management is critical to growing the use and value of data center virtualization. The automation and dynamic provisioning of server resources helps reduce costs and increase data center flexibility.

CDvLB provides financial benefits by maximizing server resources, and thus, reducing the amount of servers needed to respond to user requests. Beyond reducing capital costs, it also lowers power, cooling and management to achieve lower operational costs. These cost benefits, when combined with greater server and application availability and improved response times, help to ensure thriving and efficient application delivery.

To eliminate critical problems in advance, CDvLB proactively monitors server responses and availability, and automatically corrects performance and availability problems. The ability to both obtain information on the state of virtual machine instances and issue commands to virtual infrastructure, allows administrators to take full advantage of their virtual environment and the performance of server resources.

The benefits of using CDvLB

A key benefit of deploying Resonate’s CDvLB is the optimization of server arrays (e.g. fewer service contracts, reduced maintenance and hardware costs). Virtualization enables the ability to put multiple virtual images on the best suited and most cost-effective physical server. The applications, operating systems and instances are all placed onto a single server. CDvLB improves on this effective use of resources by providing a single-point-of-control to ensure the optimal use of server resources in responding to the dynamic nature of user requests.

HyperVisor provisioning requires important decision making, as they enable multiple operating systems to run concurrently on a single physical server, allocating them to virtual machines. In a virtualized data center, problems can occur when multiple virtual servers share the same physical resources, specifically when the virtual servers are nearing capacity. CDvLB helps in the dynamic provisioning of virtual server resources to meet real-time traffic demands, intelligently balancing traffic load, based on each server’s performance. Enterprises need to ensure that virtual machines are fully utilized and managed based upon real-time traffic, in order to leverage the full potential of a virtual server solution, and gain the most out of their investments. Resonate’s CDvLB provides auto-provisioning of resources to give data center personnel complete control over all of their servers. CDvLB dynamically allocates appropriate levels of server resources to support dynamically changing traffic, enabling data center infrastructure to run efficiently, and provide users with fast and reliable application delivery.

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