Cisco Certified Design Professional (CCDP) certification is for senior network design engineers, senior analysts, and principal systems engineers, who discuss, design, and create advanced addressing and routing, security, data center, and IP multicast multi-layered enterprise architectures. This includes virtual private networking and wireless domains and it focuses on the design components of larger networks. The CCDP curriculum includes building scalable internetworks and multilayer-switched networks, and designing network service architecture.