- Connection(u32 protocol_id, u32 max_packet_size, float timeout);
- Connection(u32 protocol_id, u32 max_packet_size, float timeout,
+ Connection(u32 protocol_id, u32 max_packet_size, float timeout, bool ipv6);
+ Connection(u32 protocol_id, u32 max_packet_size, float timeout, bool ipv6,