In 1609, an army belonging to King James escorted land surveyors through the counties of Donegal, Coleraine, Tyrone, Fermanagh, Cavan and Armagh. Their job was to map out the land, in order that it might be carved up for English settlers.
While the City of London companies set about recruiting farmers and traders willing to withstand the risks, in order to gain land of their own; King James was finalizing the way it should all proceed.
The six counties were each split into equal sections. Some portions were given to the Anglican Church in Ireland, in order to create ministries for the conversion of the native Irish from Catholicism. Some were given to veteran soldiers from the Nine Years' War, who could be expected to help protect their country-folk now too.
County Coleraine was handed over to the City of London companies. They promptly renamed the city of Derry as Londonderry, which became the name of the whole county. This would be the fortified center of British plantation.
As for the Loyalist Settlers, they were categorized in one of three ways:
Undertakers: Primarily rich London traders, these people were required to pay for the passage and settlement of ten English families on their land. There were no restrictions placed on the amount of Irish people allowed to stay as tenants to these landlords, but the native people were only to be given the least fertile land to encourage them to move on.
Servitors: These veteran soldiers were not asked to pay for those settlers on their land. But they were also permitted only five Irish tenants once there.
Both undertakers and servitors were required to build and maintain fortifications, in order to repel the Gaels and protect the settlers.
The Deserving Irish: (Yes, this category really was called that.) These people had to prove that they had taken no part in the recent rebellions against the English. They were to act as their overlords in language, culture and Protestant religion. They were allowed to retain Irish farmers on their land, who would be subservient to them. Again the native farmers could only have the least fertile ground to farm.
Many in this last category were actually ethnically British. They'd emigrated in earlier, failed plantations and had 'turned native' instead.