Oracle Sun Netra Telco Carrier-Grade Servers. Sun Netra is mainly used for a series of ruggedized Network Equipment-Building System (NEBS)-certified carrier grade servers for telecommunications applications. Ten of the top 10 Telecommunications companies along with NEP’s, service providers, and communications ISV’s worldwide rely on Oracle Solaris and Oracle’s Sun hardware for unmatched RAS and over 5x9s availability for uninterrupted operations. With extreme compute density and built-in, no-cost virtualization, Oracle provides the industry’s best investment protection for communications central offices and network data centers. Available in both AC and DC Power options.