Patent ID: 7593865

Claim:
A back-end data routing method, comprising: receiving a request for a first item from a requestor via a unitary system for requesting items of different types; identifying a set of back-end systems based on a location setting within a profile corresponding to the requestor, the set of back end systems having a plurality of back-end systems that each pertains to a particular type of item and communicates with a supplier having the type of item, at least one of the set of back end systems having a type of item that differs from the type of item of another of the set of back end systems; wherein the location setting comprises a geographic location and an employment responsibility of the requestor; selecting a back-end system from the set of back-end systems for processing the request, wherein the back-end system is selected based on the type of item of the first item and the location setting within a profile corresponding to the requestor, wherein the first item is associated with a particular type of items; receiving a request for a second item from a requestor via the unitary system; and determining, via a computer device, whether the second item is included in the particular type of items associated with the selected back-end system and including the second item in the request only in case that the second item is included in the particular type of items associated with the selected back-end system.