Cloud Networking for Enterprises

Nov 27, 2014
Aleks Yenin

Posted by Aleks Yenin

Different changes in both technology and business have fundamentally changed the way markets work during past years. However, such changes have created an ongoing IT infrastructure challenge for many senior technology executives.
Recently, virtualization has become a widely accepted way to reduce operating costs and increase the reliability of enterprise IT. Along with the wide acceptance of software as a service (SaaS) offerings, these changes have paved the way for the latest IT infrastructure challenge: cloud computing.

Cloud Computing
Cloud computing builds on many of the advances in the IT industry over the past decade and presents significant opportunities for organizations to shorten time to market and reduce costs. It also enables organizations to obtain a flexible, secure, and cost-effective IT infrastructure.
Cloud architecture, the systems architecture of the software systems involved in the delivery of cloud computing, typically involves multiple cloud components communicating with each other over a loose coupling mechanism such as a messaging queue.

Web Application Hosting in the AWS Cloud
Highly available and scalable web hosting can be a complex and expensive proposition. Traditional scalable web architectures have required an accurate forecast of traffic to provide a high level of customer service.
Amazon Web Services is IT support service provider with a reliable, scalable, secure, and highly performing infrastructure for the most demanding web applications, an infrastructure that matches IT costs with customer traffic patterns in real time. Traditional Web hosting scheme is presented in figure 1.

Figure 1. A standard web application architecture
This traditional web hosting architecture implements a common three-tier web application model that separates the architecture into the presentation, application, and persistence layers. And it also has built-in performance, failover, and availability features.

Web Application Hosting in the Cloud using Amazon Web Services
The traditional web hosting architecture (Figure 1) is easily portable to the cloud services provided by the AWS products with only a small number of modifications, but the first question that should be asked concerns the value of moving a classic web application hosting solution into the AWS cloud. AWS Cloud Architecture for Web Hosting is: – Elastic Load Balancer; – Auto Scaling Web Tier; – ElastiCache; – DB Tier.

Key Components of an AWS Web Hosting Architecture
Amazon CloudFront can be used to deliver your website, including dynamic, static and streaming content using a global network of edge locations. Requests for your content are automatically routed to the nearest edge location, so content is delivered with the best possible performance.
AWS cloud consulting provides hardware load balancers through the Elastic Load Balancing6 service, a configurable load-balancing solution that supports health checks on hosts, distribution of traffic.
In-memory application caches can reduce load on services and improve performance and scalability on the database tier by caching frequently used information. Amazon ElastiCache is a web service that makes it easy to deploy, operate, and scale an in-memory cache in the cloud.
The Amazon Simple Storage Service (Amazon S3) provides a highly available and redundant object store. Amazon S3 is a great storage solution for somewhat static or slow-changing objects, such as images, videos, and other static media.
One of the key differences between the AWS cloud architecture and the traditional hosting model is that AWS can dynamically scale the web application fleet on demand to handle changes in traffic. In the traditional hosting model, traffic forecasting models are generally used to provision hosts ahead of projected traffic. In AWS technical professional, instances can be provisioned on the fly according to a set of triggers for scaling the fleet out and back in.
If you are looking technical support team with talented, highly-motivated individuals who can support customers both before and after the sales cycle and help them get the most out of products and hire the Amazon specialist we can assist you with highest quality of support.
This paper has provided prescriptive guidance to cloud architects for designing efficient cloud applications. There are numerous architectural and conceptual considerations when contemplating the migration of a web application into the AWS cloud support, but the benefits of having a cost-effective, highly-scalable and fault-tolerant infrastructure that grows with your business far outstrips the efforts of migrating to the AWS cloud.

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