Range Source Architecture Overview

About this task

Range Source Architecture (RSA) complements and works alongside the traditional RCO decision-elimination logic.

  • Traditional Routing Logic.
  • Range Source Architecture.

Traditional Routing Logic

Items are evaluated when they are located in a first or last location in a source region.

The Routing Logic, follows a definite sequence.


The assembly floor of a computer manufacturer has three regions.

Computers travel from the first location in one region to the last location in the next.

They are assembled sequentially in each region as they travel from last to first place.

Range Source Architecture

Range Source Architecture enables decisions to be made for items in any location in as many regions as you want.

This architecture is designed for items that do not require linear movement such as orders or items stored in an automated system retrieval system (ASRS) in which items can be randomly selected. The actual location is immaterial.

The initially intended purpose of a range is to evaluate, select, sequence, substitute, hold or eliminate items to be produced by evaluating the purchase orders.

Since orders can be grouped into pre-defined categories (virtual regions), not physical locations, the criteria for selecting the range to be evaluated is limited only by what you specify. There are no outside constraints.

Ranges simply take advantage of this non-restrictive capability.

A range can be:

  • A single region.
  • Several regions from one or more projects.
  • A subset of sequential locations from one or more regions, in one or more projects.
  • A query that returns, on-the-fly, any combination of regions and/or region locations.
Note: The TBNG_POMS template enables you to create a project with pre-defined regions that can be used exactly how they are configured or modified to your system's needs.


The computer factory evaluates purchase orders to manage if, when and in what sequence manufacturing will fulfill the order.

  • The range in which evaluation will take place includes all location in the $OM_MASTR_BLND region.
  • $OM_MASTR_BLND contains orders that were accepted for production.
  • The goal is to select the next order to move to the $OM_PLANT_BLD region.

This can be accomplished in the range as RSA:


  1. Evaluates the orders using a combination of business rules.
  2. Eliminates order that fail.
  3. Selects the single remaining order as the next item to process.
  4. Moves the selected order to $OM_PLANT_BLD.
    • The order can be any one in the range. Its location is irrelevant.

    Note: The colors of the orders in this graphic represent the color of the computer that is being ordered.

    L1, L2...L20 = Locations

    P01,P02...P20 = Purchase orders