Patent ID: 8010778

Claim:
A method comprising: generating a first request message from a first party to a second party, the first request message including an identifier of the first party, an identifier of the second party, and a ciphersuite list of the first party, the ciphersuite list containing parameters supported by the first party and arranged as an ordered list; receiving a second request message from the second party, the second request message including the identifier of the second party, the identifier of the first party, and a ciphersuite list of the second party, the ciphersuite list of the second party containing parameters supported by the second party and arranged as an ordered list; and selecting a parameter from a comparison of the ciphersuite list of the first party and the received ciphersuite list of the second party, the selection using a rule in which the identifiers of the two parties determine the selection, the selected parameter being a negotiated parameter of a policy in establishment of a peer-to-peer communication link between the first party and the second party, wherein using the rule in which the identifiers of the two parties determine the selection includes using identifiers for the two parties that are ordered such that the selection of the parameter is determined by the party having the larger identifier, the selected parameter chosen as a parameter most preferred, by the party having the larger identifier, from an intersection of the ciphersuite lists of parameters of the first party and the second party.