90K connection issues when playing FFXIV

[Vallanaar]

ISP:
Telkom, South Africa

Type of Internet Connection:
ADSL

Internet Conncection Speed:
4Mbps

Date & Time:
Approximately every hour. Timezone is GMT+2

Frequency:
Always

Character Name:
Vallanaar Val'kyr

World:
Phoenix

Area and Coordinates:
Any area: I have not noticed any change in frequency from one area to another.

Party or Solo:
Both

NPC Name:
N/A

Monster Name:
N/A

In-game Time:
The issue occurred at various times, I did not keep track of these times.

Steps:
Was in combat or walking between locations and was immediately disconnected.

PC Specs

GPU: ATI 4870
CPU: Intel i5 2500k @ 3.30 GHz
Ram: 8gb DDR-3
Motherboard: Gigabyte Z68XP-UD3