A method for a connection mechanism in a public cloud network is disclosed. The method includes acquiring a plurality of connection credentials from a public cloud portal (PCP) Admin Device; pairing and registration with a private cloud virtual private network (VPN) server (PCVS) from a private matter gateway (PMG); establishing a plurality of initial VPN tunnels between the PCVS and the PMG; connecting to the PMG on demand between a PCVS smart device client and the PMG through the PCVS; and running a plurality of vertical peer-to-peer (P2P) private and secure PCVS smart device client applications between at least one PCVS smart device client and one of at least one PMG smart device client, at least one PMG network service and another PCVS smart device client.