Roaming groups in a peer-to-peer network

A method comprising:

• with a wireless device:
• receiving a credential from a user of the wireless device;
• based on the credential of the user, determining an identifier;
• wirelessly communicating with a remote device to form a peer-to-peer group comprising at least the remote device and the first wireless device, the wirelessly communicating comprising transmitting at least one message for forming the group, each message of the at least one message containing the determined identifier in a portion (534) of the message identifying a device transmitting the message.

A computing device comprising:

• a wireless transceiver;
• at least one processor configure to:
• control the wireless transceiver to exchange messages in accordance with a peer-to-peer protocol, the messages comprising at least one portion identifying a group of devices formed in accordance with the protocol;
• and
• select a value for the at least one portion, the portion being selected, under a first condition, based on a user identifier and, under a second condition, based on a hardware identifier of the computing device.