Portfolio marketers are charged with developing the go-to-market strategy for a portfolio of offerings. An audience-centric go-to-market architecture aligns an organization’s offering portfolio to its buyer audience segments. But changing buyer behavior and the proliferation of digital business has exposed a gap in traditional B2B go-to-market strategies. This report describes Forrester’s Go-To-Market Architecture and provides relevant research content, tools, and templates for each level of the model.