1. A multiple exchange instance, comprising: a plurality of exchanges; and a common instance for implementing the exchanges, the exchanges sharing a set of common components and each exchange having a respective view having respective unique components, wherein the common instance comprises a database divided into a plurality of sub-schemas, and wherein each of the exchanges is singularly associated with and implemented within a respective one of the plurality of sub-schemas providing a respective partial view of the common instance, wherein the common components enable a trading partner client of the common instance to perform at least one common communication operation collectively for a plurality of the exchanges, wherein the multiple exchanges each have a respective operator, and wherein the multiple exchange instance performs, for each operator, a collective authentication operation for each of the exchanges using the common components.