DataStreams Usage examples

hi Everyone,

im building systems to transfer Data between Server <---> Clients.
im looking for the most efficient way to write Struct or Struct[] to a DataStreamWriter and read them from DataStreamReader.

Also i have a very basic knowledge about Pointers in C# and i found no documentation about Unity UnsafeUtilities.

so it will be awesome if anyone points me to any good example or documentation.

Thank you!