Great Britain's Davis Cup captain Leon Smith says the competition's format is not "fan or player friendly".
Reforms were endorsed in March to reduce the current five-set format to three sets played over two days.
GB's Dan Evans and Kyle Edmund both played best-of-three sets in their singles rubbers against France as the hosts secured a 4-1 victory on Sunday.
"It's a tough ask for children to come in and watch two five-setters in one sitting," Smith told BBC's Sportsweek.
"It's simply too long. It's not fan friendly and it's not player friendly.