The 30-year-old has proclaimed that he hopes to continue for as long as possible with the Boys in Green...
"I still think I'm going to be around for a bit," Duff told The Irish Independent.
"I love playing for Ireland and so long as my body holds out I like to think I'll come over and meet up."
When asked if he envisions himself playing in the 2014 World Cup in Brazil, the former Newcastle United player answered in the affirmative.
"I'll be 35 in four years, when the competition comes around, so never say never," he said.
"I'm still planning on playing when I'm 35 so hopefully I will, yes."
The Dublin-born Fulham player went on to say that he was not surprised by countryman Stephen Ireland confirming recently that he would like to stay away from international football at present.
"I think from whispers for a long while now, we've kind of known that he wasn't going to come back, so it's no great surprise but, yeah, it's disappointing," the winger said.
"He's a top player and he would bring a lot to the squad but it's not meant to be, so we'll carry on with what we've got and what's got us into a good position."
Duff finally explained that he was clueless as to why Ireland does not want to play for the Boys in Green.
"I can only speak personally but there's no better feeling than to play for your country," he said.
"It's strange, but for whatever reasons, he doesn't want to."
Adithya Ananth, Goal.com