Paul Parker-Johnson leads the cloud and virtual system infrastructures practice at ACG Research. His work explores transformations under way in SDN, NFV, cloud computing and service orchestration in service provider environments. Use cases from data center to core, metro, access and customer premises are engaged. New architectural developments and implications for vendor and operator designs are analyzed. Syndicated research analyzes market developments, forecasts market sizes, and evaluates market shares of participating vendors in key product categories. Custom research and analysis helps clients evaluate plans related to these transformations, and implement their offerings in the market. Prior to joining ACG Mr. Parker-Johnson led Juniper Networks’ cloud computing solution business enabling end-to-end cloud offerings for service providers and enterprises of multiple sizes and scale.