Technological innovations has paved for the globalized organizations to be well connected through the Internet. With offices located across geographical locations and working during different time zones, these closely networked organizations communicates and uses a number of applications through their corporate network The Internet thus is the vital link for business continuity. However, the development of technologically sound applications to stand out in a competitive business world, tend to overload the corporate network.
To evenly distribute the workload of processing and service requests across the devices in the network, IT and networking professionals make use of a load balancer. These are dedicated software, hardware, or servers such as a multilayer switch or DNS server, form the critical components of a network, and carry out the load balancing. Wikipedia defines Load balancing as ‘a computer networking methodology to distribute workload across multiple computers or a computer cluster, network links, central processing units, disk drives, or other resources, to achieve optimal resource utilization, maximize throughput, minimize response time, and avoid overload.’ Besides, optimal distribution of load across servers in the network is necessary for maintaining a stable network.
For the fast recovery of data and information across the corporate network, enterprises tend to use two ISP links one as the primary one and another as backup. However, technological innovations have helped design link load balancing solution, which facilitates simultaneous use of multiple links, thus increasing bandwidth availability, performance and reliability while reducing costs. Through an intelligent traffic management system, the link load balancer handles the inbound and outbound network traffic. The link load balancing appliances performs real-time monitoring of wide area network connections and leverages this for efficient management of the bandwidth.
Load balancing is commonly used to spread out the Internet service from multiple servers, and commonly includes, web sites, large chat networks, and File Transfer Protocol sites, NNTP and DNS servers. The server load balancers are strategically placed to ensure availability, control, security and performance of enterprise applications, data services as well as the data center equipment. Enumerating the benefits of using server load balancers showcases applicant ready and advanced network traffic management ensuring best possible delivery of business critical applications and internet protocol services. Further, this facilitates to offload the web and application servers paving way for increased capacity and efficient performance. This also paves way for multiplexing of integrated TCP connection and HTTP processing leading to great improvement in application performance.
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