In traditional IP routing, packets undergo analysis at each hop, followed by forwarding decision using network header analysis and then lookup in routing table. In an MPLS network, packets carrying data are assigned with labels on each node and the forwarding decision is totally based on these label headers. This is different from the conventional routing mechanism.
GameTap brought Myst Online: Uru Live online in February 2007. On May 19, 2007, Myst Online made the move to episodic content releases, with each episode adding new Ages, puzzles, and a plot continuation. It was also released for Mac OS X, the first GameTap game for the platform.
However, Eru's agency also stated that Eru would reject the offer as he has yet to establish himself in Korea as an artist. Eru released his 3rd album Eru Returns on September 19, 2007 and it became the #1 album during October 2007, selling 42,228 copies in South Korea.