Windows Phone 7 Series games will not offer real-time multiplayer

With more details about the gaming aspects of Windows Phone 7 Series announced at Microsoft's MIX conference this week, Microsoft is building up a head of steam with mobile developers.
However, it seems there's one unpleasant surprise in store: multiplayer features for WinPho 7 games will be restricted to turn-based, rather than real-time.
No over-the-network deathmatching for players, in other words.

According to IGN Wireless, this is partly because Microsoft is keen to encourage developers to make games that run across mobile, Xbox 360 and PC - but mobile users may be disadvantaged in real-time games by their less predictable network quality.
The danger for Microsoft is that there are an increasing number of real-time multiplayer games available for rival platforms - particularly iPhone - which seem to work pretty well (albeit without trying to factor in consoles and PCs).
The restrictions may prevent those games coming to Windows Phone 7 Series, although this isn't to suggest that you can't do exciting stuff with turn-based games too. Witness the rise of social games...

http://www.casualgaming.biz/news/299...me-multiplayer