a name you want to have on network
You must create a new ID and name
SSID is the name of any WIFI distributer. SSID name of the Network
Live is the name of the Xbox site and PS3 uses the PS3 PlayStation Network which you log on to after your PS3 has an internet connection and you have a game that has online capability loaded in your PS3
The SSID, in a nutshell, is your network name. So if your wifi network is called myWirelessNetwork then just put that in your ssid field. Your PS3 should be able to identify this automatically.
After you PS3 has an internet connection you need to register and join the Playstation network
Nope, the PS3 Network is completely free.
Your PS3 must have a wireless adapter installed if you want to connect to the internet wirelessly. Otherwise, if you don't you will have to use an Ethernet cable. If you have a wireless adapter installed on your PS3. You will need to connect it to your wireless router. Go to the wireless network menu on your PS3. Find the (SSID) network name of your network. Connect to it!