It is now being used in selected domestic cup matches.
Friday saw the beginning of offline training for referees and assistants, and that will include practice through simulators and video training via offline matches.
"The referee is always in charge of the game". We can do better, we can help. The Football Association was known to be in favour of VAR as well as the Irish FA.
"It's the Premier League's decision whether to introduce VAR", said Glenn.
"For me, I see a lot of confusion from time to time", he said.
The system has come under the spotlight on a handful of occasions in this country.
Players risk a booking if they attempt to influence any official to use VAR and managers or other non-playing club staff risk being sent to the stand if they do the same, or encroach on the area where the referee is reviewing footage.
"People have to decide do they want greater fairness or do they want continued unfairness because they don't want to occasional interruption?"
The IFAB claimed analysis had found that the average accuracy of the reviewable categories was 93 per cent before the experiments, rising to 98.9 per cent with VAR.
In Russia, FIFA plans to use a central command center for VAR teams working away from stadiums to communicate with referees - a system adopted by American professional sports leagues.
For more on the other decisions and for the full IFAB press release, go here.
Dany Rose has labelled the application of VAR during Tottenham's 6-1 win over Rochdale as "shambolic". Fans booed as the half-time whistle was blown after five minutes were added on for video review delays.
"I don't have any fear or trepidation going into games".
"Football is about emotion".
Elleray said he can not see a good reason for football to not use VAR in all matches.
Speaking to talkSPORT, the Spurs full-back said: "We got the job done under shambolic circumstances through the game".
The technology has been trialled in domestic cup games in England this season but has produced mixed feedback so far.
"Our crucial challenge is to do it in a way that is has a minimal impact on the game".
When VAR was correctly used to reach the right conclusion in Chelsea's FA Cup replay against Norwich City in January, controversy still surrounded whether the fact Willian dived.
In the previous round, West Bromwich Albion were on the wrong end of a VAR decision when defender Craig Dawson had a perfectly legitimate goal ruled out - a header from a corner kick.
The referee, who has access to a pitchside monitor, can also initiate a review himself.
Juan Mata's goal against Huddersfield Town, also in the FA Cup fifth round in front of the BT Sport cameras, was ruled out for offside.
When Spurs seemingly took an early lead through Erik Lamela, there didn't seem to be any issue, and both players had lined up for the restart and the goal announced by Spurs' Twitter account.
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