A report prepared for Justice Minister Charlie Flanagan, warned that any perceived tightening of UK immigration controls could prompt people living illegally in the UK to look across the Irish Sea instead.
The report went onto say even the smallest changes in Ireland's system of direct provision had the potential to "sink the asylum system" here.
Contained within the report was an estimate of between 400,000 and 800,000 of "illegal" nationals from outside the European Economic Area.
"Taking the midpoint of that range, even if only 1pc were to come to Ireland and claim asylum, it would mean an additional 6,000 applicants.
"This would literally sink the asylum system, putting massive pressures on other State services, such as housing," it said.
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