Global Link to undergo maintenence

[Duckman3224]

Just in case you guys haven't heard yet, PGL will be u dergoing maintenence from November 13th to the release date of ORAS.

http://www.nintendolife.com/news/2014/10/pokemon_global_link_to_undergo_maintenance

What does this mean? get all your trading and battling done before then if you need something done.