Better Website Accessibility With Advanced Load Balancers - PDF

Better Website Accessibility With Advanced Load Balancers

Over the past few years the IT infrastructure has been playing a crucial role in the overall success of a
business. Company and brand image, market share and consumer satisfaction are interlinked with the
constant availability of the corporate website. Nowadays mostly network servers are used for hosting e-
commerce, ERP and multiple applications. The very core of these sites, i.e. the e-business architecture is
expected to offer high accessibility, performance along with providing scalable and secure solutions to
assist all applications every time.

However, there are times when the accessibility of these applications often gets hindered by network
overloads and application and server failures. It has been observed that resource utilization is most
often out of balance, that leads the low-performance resources getting overloaded with requests. On
the other hand the high-performance resources remain idle. Hence, server load balancing is the most
obvious solution for managing availability concerns and stable performance.

Server load balancing is the procedure where load balancers are used to disseminate service requests
across server groups. The process addresses numerous requirements that are becoming essential
aspects of networks, such as:

Increased scalability
High performance
High availability and disaster recovery

Multiple content-intensive applications have scaled beyond the point where one server can offer
sufficient processing capacity. Both the solution providers and the organization require elasticity to
execute additional servers transparently and quickly to the consumers. Server load balancing enables
multiple servers to appear as one server, i.e. one virtual service. This is done by transparently
distributing requests amidst the servers.

Today eminent solution providers of remote desktop services have introduced innovative load balancing
solutions that help end users to attain a high performance by intelligently using the processing power of
the servers. Advanced server load balancers can efficiently direct user request to the servers that are
less busy and have the capacity to offer the quickest response time. Furthermore, an appropriate load
balancer must have the ability to manage the aggregate traffic of various servers. In case a server load
balancing device becomes a hindrance then its an additional issue that needs to be sorted out.
Additionally, load balancers also have the capacity to enhance application availability. In case a server or
application fails, then load balancing appliances will automatically redistribute the user service requests
to other servers within the server farm or direct them to servers in another location.

Furthermore, server load balancing averts planned outages for hardware or software maintenance from
hindering service to end-users. Distributed server load balancing solutions offer disaster recovery
solutions by redirecting service requests to a backup location any failure blocks the primary server.

Read more about : BYOD & SSL-VPNs

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Source: http://pdfcast.org/pdf/better-website-accessibility-with-advanced-load-balancers

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