However, the 39-year-old 'keeper also added that he could possibly be tempted into extending his career a little longer to play in the Club World Cup should Juve win the Champions League this year.
It would not change anything to play for one or two more years.
Despite a rich haul of trophies and awards which includes the 2006 world cup, 10 Serie A titles, 4 Italian Cups and a Uefa Cup, Buffon has never won the Champions League.
Buffon collected the best goalkeeper award at FIFA's The Best awards ceremony on Monday, beating the likes of Manuel Neuer, Keylor Navas and David De Gea. I'm not afraid of the future, face it with enthusiasm as an opportunity to prove myself.
Although Buffon has consistently reached world football's greatest heights with both club and country, he feels the need to win the Champions League to properly complete his legacy.
Would like to finish his career with a big win.More news: Mersal Dialogues - Vijay Mersal Tamil Movie Powerful Punch Dialogues
"I am quite convinced of the choices I make and feel very serene about things", he told the media.
"In that case, I think Szczesny and I could split time. but with a goalkeeper like him behind me, I think it's normal that I'll be stepping aside next year".
If Buffon will not be able to win the Champions League, his farewell match, most likely, will take place at the world Championships in Russian Federation.
'I think past year was outstanding for me and for the team.
Age is not a factor for Juventus goalkeeper Gianluigi Buffon as the Italian goalkeeper is showing no signs of stopping in proving the world that he is the best in the world in terms of goalkeeping despite being in the final chapter of his glittering career.