What is an application delivery controller?
An
application delivery controller is a computer network device in a datacenter,
often part of an application delivery network that helps perform common tasks,
such as those done by web accelerators to remove load from the web servers
themselves.
Future of application delivery
controller:
The
applicationdelivery controller market accounted for USD 2,740.4 million in 2015
and is anticipated to reach USD 4.34 billion by 2024, with a CAGR of 5%. The
technological advancements increasing the overall data center traffic volume
due to the increased number of internet subscribers and the need for advanced
application services act as the key market driver of application delivery
controller. The ADC is designed to meet technical requirements by providing
availability, scalability, better performance to keep the applications and
servers running in their most efficient time limit. The percentage share of
global data center traffic by equipment type cloud will increase from 59.5 to
77.4 and hence increasing the ADC demand over the forecasting period.
The
first generation ADC’s offering simple acceleration and load balancing are
being replaced by advancing applications such as compression, cache, connection
multiplexing, SSL offload and content switching along with load balancing that
optimizes and secures business critical application flows. ADC are also heavily
relied upon for their monitoring capabilities they can check a servers health
and efficiency. If the monitoring indicates that a particular server is
experiencing any problem, it will direct to an alternate server avoiding a
potential disruption.
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High
bandwidth usage also acts as a driving factor for ADC. Due to the availability
of internet in every corner, consumers tend to use more web services which
leads to problems such as latency, incorrect PC configuration, Packet loss,
audio streaming, large downloads and unauthorized usage of network.
Communication service providers need to rapidly deploy innovative and revenue
generating services that demand a highly efficient network infrastructure that
reliably supports high capacity and offers high availability, defends against
security threats reducing latency and providing superior experience to the
users. In order to satisfy all their needs mobile service providers
Increasing
demand for security applications to prevent malicious attacks and malware like
SQL injection and cross-site scripting through the web to the devices is
expected to drive the ADC deployment in security applications. The rising
popularity of ADC in consolidated data center and cloud computing in which, as
the application demand fluctuates the customer should scale the capacity up and
down to control the application flows.
Companies
of all sizes can increase their efficiencies and have a better competitive
stand by adopting appropriate networking technologies. Taking in consideration
the E-commerce market, many customers tend to access the website at a single
point of time for transactions thereby increasing the load and in a worst
scenario the entire site can be taken down. The routers pass the traffic through
the firewalls and then through the ADC which distributes the traffic to many
database servers hence controlling the breakdown of the website.
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Usage
of Smartphones and tablets increase the scope and span of enterprises thus
leading to an increase in demand of ADC’s by the enterprises in order to
maintain and balance the load. The adaptable, effective and flexible
environment that SDN(Software defined networking) technology enables will
require an ADC that support features like customized scripting and comprehensive
API.
The
current generation of ADC’s has packaged together a number of functionalities
above the basic load balancing platforms with important features layer3/4 layer
7 balancing, load balancing methods, health monitoring, TCP multiplexing,
Networking integration, high availability, application acceleration, SSL
offload, Global Server Load balancing, DDoS protection, Web application
firewall, central authentication, multi tenancy support and virtualization
options.
The
ADC is a critical routing Hubwhich is very difficult to replace it with another
device as a primary network component in the modern data centers. The most
potential growth for Application delivery controller is in Japan, Europe and
Asia Pacific. The United States has a large number of enterprises that rely on
ADC’s to manage network traffic and improve performance. Trends in network
security, SDN device consolidation cloud or virtualization and future
developments will impact the evolution of ADC’s.
ADC
Market is a consolidated market with the top most players sharing the maximum
market share. Asia pacific ranks as the fastest growing market with a projected
CAGR of over 8.1%. F5 Networks, Radware, Citrix Systems and A10 networks
compose almost 70% of the market. F5 networks is one of the leading technology
providers that optimizes the network based applications. Significant portion of
its revenue is generated through ADC.
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