No, that will work fine.
EDIT: But you have to make sure you don't update stuff over the network too often. I use 4x per second for an MMO game. For an FPS you probably want about 10x per second.
Think about it like this:
If you have a 512k (broadband) connection, that's (512/8)*1024 = 65536 bytes per second. If you update 10x per second, you can send 6554 bytes per update, if you want your game to work on 512k or above.
EDIT: But you have to make sure you don't update stuff over the network too often. I use 4x per second for an MMO game. For an FPS you probably want about 10x per second.
Think about it like this:
If you have a 512k (broadband) connection, that's (512/8)*1024 = 65536 bytes per second. If you update 10x per second, you can send 6554 bytes per update, if you want your game to work on 512k or above.