Which current Cisco SDN solution is data center focused?

The Cisco Application Centric Infrastructure (ACI) software-defined networking (SDN) solution is data center–focused to deliver applications to end users. The Cisco Application Policy Infrastructure Controller - Enterprise Module (APIC-EM) is a legacy SDN solution that is not part of Cisco Digital Network Architecture (DNA). OpenDaylight (ODL) is an open platform used for SDN solutions; it is not provided or maintained by Cisco. The Cisco Software-Defined Wide Area Network (SD-WAN) is a scalable SDN solution for networks that operate over several data centers.