Six Sigma is a methodologyâ This view of Six Sigma recognizes the underlying and rigorous approach known as DMAIC (define, measure, analyze, improve and control).
E-mail protocols [edit]. The Internet Message Access Protocol is an Application Layer Internet protocol that allows an e-mail client to access e-mail on a remote mail server. The current version, IMAP version 4 revision 1 (IMAP4rev1), is defined by RFC 3501. An IMAP server typically listens on well-known port 143.
Short for interior gateway protocol, IGP is a generic term for a routing protocol that is used to exchange routing information among routers in an autonomous network, such as an enterprise LAN. IGPs typically support confined geographical areas. RIP and OSPF are two examples of an IGP. Compare with EGP.