Re: [protobuf] What is the most efficient protobuf type (in C++) for storing ipv4 or ipv6 address? My address is a boost::asio::ip::address_v4 (or v6)

['Paul Marks' via Protocol Buffers]

Use a bytes field: 4 for IPv4, 16 for IPv6.

Ideally, you should use an IP address library with a "packed bytes as 
std::string" input/output.
The in_addr/in6_addr types are stored as 4 or 16 bytes in RAM.

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