H

half-duplexes (Request/Reply MEPs), 64–66

channels and channel shape, 163, 166, 169–172

as default MEP, 242

handlers of messages. See intermediaries

header, message, 27, 135–148

contents of, 35–40

dependencies, 44

EndpointAddress type, 78, 89, 135, 139, 145–148

MessageHeader type, 135–140

MessageHeaders type, 140–145

standardizing, 39–40

WS-Addressing standard headers, 42–43

Headers property (Message type), 139, 140

hexBinary data type, 29

HTTP and datagram MEPs, 64