Tier 1 software applications

Others talk about ERP Tiers. What are tiers? ERP Tiers are classifications of software by the size of the company the fit. Tier 1 ERP software is software for the large enterprise. This includes multi-site, multi-national corporations. These are your Tier 1 ERP players. The Tier 2 market is the largest of all the tiers in terms of the number of potential customers.

This is the mid-sized tier. They are usually just a few localized sites. For example a company that has a main office in California, with a manufacturing facility in Ohio and a distribution outlet in Texas would be a typical Tier 2 client.

Nonetheless, it seems that the very short list of tier 1 ERP vendors is always easy enough to identify. Or is it? Indeed, the most straightforward and useful way to distinguish different software vendor tiers is by the type of company they serve:.

The distinction between tier 1 ERP products and vendors and their tier 2 and 3 competitors appears to be obvious. But in reality, the situation is much more complex. It turns out that the lines between tiers are getting blurred for reasons that have to do with the history and natural development of ERP systems.

As tier 1 vendors got into business by addressing the needs of large organizations, ERP applications initially were prohibitively expensive and therefore affordable only to large businesses that were able to spend millions of dollars for such tools.

Lower-level technical personnel, trained to solve known problems and to fulfill service requests by following scripts. Experienced and knowledgeable technicians assess issues and provide solutions for problems that cannot be handled by tier 1. If no solution is available, tier 2 support escalates the incident to tier 3.

Support personnel with deep knowledge of the product or service, but not necessarily the engineers or programmers who designed and created the product. Access to the highest technical resources available for problem resolution or new feature creation.

Tier 3 technicians attempt to duplicate problems and define root causes, using product designs, code, or specifications. Once a cause is identified, the company decides whether to create a new fix, depending on the cause of the problem.

New fixes are documented for use by Tier 1 and Tier 2 personnel. Tier 3 specialists are generally the most highly skilled product specialists, and may include the creators, chief architects, or engineers who created the product or service.

Contracted support for items provided by but not directly serviced by the organization, including printer support, vendor software support, machine maintenance, depot support, and other outsourced services. Problems or requests are forwarded to tier 4 support and monitored by the organization for implementation. Preferred vendors and business partners providing support and services for items provided by your company.

Many companies modify this template and combine support tiers according to their resources and philosophies. In some organizations, Tier 1 and Tier 2 functions are handled by the same personnel. Other companies may combine Tier 2 and Tier 3 functions, for example.

Another way to think about the tiers is as a timeline: the higher the tier a problem is escalated, the more time and perhaps resources it will take to solve.

By using this layer we can access the web pages. The main function of this layer is to communicate with the Application layer.

This layer passes the information which is given by the user in terms of keyboard actions, mouse clicks to the Application Layer. For example, the login page of Gmail where an end-user could see text boxes and buttons to enter user id, password, and to click on sign-in. It is also known as Business Logic Layer which is also known as the logical layer. As per the Gmail login page example, once the user clicks on the login button, the Application layer interacts with the Database layer and sends required information to the Presentation layer.

This layer acts as a mediator between the Presentation and the Database layer. Complete business logic will be written in this layer. The data is stored in this layer. The application layer communicates with the Database layer to retrieve the data.

It contains methods that connect the database and performs required action e. One-tier architecture has all the layers such as Presentation, Business, Data Access layers in a single software package. Applications that handle all the three tiers such as MP3 player, MS Office come under the one-tier application. The data is stored in the local system or a shared drive.