I don't think that internet relationships can be equally satisfying as physical relationship.
Even though Internet relationships have some advantages like being in a position to get the right type of friends you need. In addition You get to meet someone from theinside before outside.It is easier to find great people on the internet as people open up more.It's easier to relativate and objectively judge.You can meet the most beautiful people from all over the world. This kind of relationships most often lack the physical aspect of helping each other. There is also lack of complete communication as indicated by lack of gestures, body movements ; that fades off especially in text communication. Scientists also has proven the role of verohormones that plays a major role in bonding, an aspect that is lost in online intimacy relationships.
I therefore conlude that internet relationships cannot give you all the satisfaction that you could get from a face to face relationship.