1         Network Protocols 1.1         Shared memory -          Client and server on same machine. 1.2         Named Pipes -          Client and Server connect the same LAN connection 1.3         TCP/IP (Transmission control Protocol / Internet Protocol) -          Connect over internet. -          Default port is 1433.  The port number of client and server is to be the same then only we can establish connection. 1.4         VIA (Virtual Interface Adaptor) -          Uses wireless internet – identified less security -