Exhibit 6.6 Supplier Aggregation Model Suppliers Small Buyers SME 1 #1 Hosting SME 2 Workflow applications Aggregation SME 3 f Catalogs etc #4 Large Buyers Workflow Buyer #1 approvals, budget controls ERP SCM Integration Electronic Commerc Prentice Hall 2006Electronic Commerce Prentice Hall © 2006 14 Exhibit 6.6 Supplier Aggregation Model