Requirements for IP address and port APIs

Hello! One of the first tasks the Networking Workgroup is taking on is defining standard Swift APIs for networking currency types, specifically around IP addresses and ports. IP addresses and ports are foundational to many networking libraries, but don't yet have a common, standard implementation. The goal of this post is to request community input on the requirements for standard APIs in this space, and to gather examples of existing implementations that can be used as starting points and insp...