P

participants. See messaging participants

peer-to-peer message topology, 71

channels and channel shape, 164, 166

performance, 15

load balancing, 54

XML transport, 29

Plain Old XML (POX) messages, 102

platform independence, 56

point-to-point message topology, 69

postmarks, 24

POX messages, 102

PrefixEndpointAddressMessageFilter type, 266

ProtectionLevel property

MessageBodyMemberAttribute type, 249

MessageContractAttribute type, 249

MessageHeaderAttribute type, 249

OperationContractAttribute type, 242

ServiceContractAttribute type, 240

ProtectionLevel type, 240

protocol channels, 175

proxies. See clients

pull model, defined, 131

push model, defined, 131