An Application delivery network (ADN) is a group of technologies developed to provide application security, availability, acceleration, and visibility. It is a broad approach for performance optimization and content delivery for remotely available applications. ADN is designed to ensure the efficient and safe distribution of applications which are business critical across the network of an enterprise. It is a crucial technology for any organization that wants to migrate its application over the cloud. The traditional application delivery network combines various optimization technologies and an application delivery controller working in the data center. It optimizes application availability, performance, visibility, and security.
There are multiple technologies that are deployed to deliver ADN such as application layer security, application acceleration, network availability tools, and application discovery. Application delivery networks can be fragmented into two components namely WAN (Wide Area Network) optimization controller and application delivery controller. Application delivery controller is a load balancing device that is present in front of application servers in the data center facilities. It helps to allocate web traffic over multiple distributed application servers, to reduce the overload from an individual server. Application delivery controllers perform other functions such as compression, caching, SSL offload, and traffic shaping. WAN optimization controller is located at both the client device and data center facilities and uses a variety of techniques including caching, compression, protocol spoofing, latency optimization, and de-duplication to improve application performance.
Increasing number of data centers across the world is driving the application delivery network market. Increasing amount of data traffic has led to a surge in the demand for data storage, resulting in continuous expansion of data centers globally. There is an unprecedented growth in the technologies and services driven by the data center. Many organizations are shifting their computing processes to “cloud-based” infrastructures. Therefore, large data centers and related cloud services are deployed and developed by various organizations to store enormous amounts of data, and enable easy data access as well as computations on the data. However, this proliferation of data centers has become the target for state-sponsored attackers, hackers, and cyber-criminals, which is causing security threats to data centers. An application delivery network will ensure that the users get to the applications based on their specific requirements while protecting the applications and network from security threats. Application delivery networks help to tackle various data center security challenges by ensuring that data center networks and applications remain available and secure.
The factor that is anticipated to hamper the growth of the application delivery network market is increased number of mobile devices. With the proliferation of mobile phones, data traffic from the internet has also increased, thus causing complexity in delivering the applications. However, with the advancement of technology, the complexity in application delivery is expected to come down in the near future.
The application delivery network is segmented on the basis of solution type, deployment type, end-use industry, and region. By solution type, the market is classified as application delivery, application performance, and others. Further, based on deployment type, the application delivery market can be segmented into cloud based and on-premise deployment. On the basis of end-use industry, the market is classified as healthcare, government, BFSI, retail, and others.
Geographically, the global application delivery network market can be segmented into North America, Europe, Middle East & Africa, Asia-Pacific and South America. North America and Europe are expected to lead the application delivery network market owing to the presence of key players providing application delivery network solutions. However, proliferation of data centers by prominent companies in developing countries such as India and China is expected to increase the demand for application delivery networks, thereby positively supporting the growth of the ADN market in the APAC region.
Some of the key players involved in the application delivery network market are ARYAKA NETWORKS, INC., Array Networks, Inc., Brocade Communications Systems, Inc., Dell, SANGFOR TECHNOLOGIES INC., Networx Australia, Procera Networks. SynerComm, Inc. A10 Networks, Inc, Symantec Corporation, etc.
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