Yes, it's one more international tournament held by Vietnam. According to Tuoi Tre News, North Korea and South Korea both have confirmed their participation in VFF Cup 2010 in Ha Noi. However, it's likely to be junior sides from two parts of Korean peninsula.
The fourth team of this competition is SINGAPORE! A bit surprise indeed because Vietnam and Singapore will play each other in AFF Cup 2010 group stage in December. VFF Cup 2010 is scheduled for November 2 to 6.