best approach to send large data(70 mb) files to wcf REST

Question

1) What configarations i have to do at WCF REST

2) Which way i have to use to upload data to WCF (ByteArray /Stream)

3) I have DataContract as below in wcf 

 Person 
{
   name;
   image(max size= 70 mb);
   ---
}

please tel me how to post this complex object to wcf .

if possible plz send sample solution .

Thanks in advance.