NFB
          The Number of Fragment Blocks in a the data portion of an
          internet fragment.  That is, the length of a portion of data
          measured in 8 octet units.




 

September 1981                                                          
                                                       Internet Protocol
                                                                Glossary



octet
          An eight bit byte.

Options
          The internet header Options field may contain several options,
          and each option may be several octets in length.

Padding
          The internet header Padding field is used to ensure that the
          data begins on 32 bit word boundary.  The padding is zero.

Protocol
          In this document, the next higher level protocol identifier,
          an internet header field.

Rest
          The local address portion of an Internet Address.

Source
          The source address, an internet header field.

TCP
          Transmission Control Protocol:  A host-to-host protocol for
          reliable communication in internet environments.

TCP Segment
          The unit of data exchanged between TCP modules (including the
          TCP header).

TFTP
          Trivial File Transfer Protocol:  A simple file transfer
          protocol built on UDP.

Time to Live
          An internet header field which indicates the upper bound on
          how long this internet datagram may exist.

TOS
          Type of Service

Total Length
          The internet header field Total Length is the length of the
          datagram in octets including internet header and data.

TTL
          Time to Live





 

                                                          September 1981
Internet Protocol
Glossary



Type of Service
          An internet header field which indicates the type (or quality)
          of service for this internet datagram.

UDP
          User Datagram Protocol:  A user level protocol for transaction
          oriented applications.

User
          The user of the internet protocol.  This may be a higher level
          protocol module, an application program, or a gateway program.

Version
          The Version field indicates the format of the internet header.