After Franklin Roosevelt died in office in April 1945, Eleanor was expected to retire to a quiet, private life. However, by the end of the year she was back in public. America's new president, Harry S. Truman (1884â1972), made her the American representative to the United Nations Commission on Human Rights.
The UDP protocol header consists of 8 bytes of Protocol Control Information (PCI) The UDP header consists of four fields each of 2 bytes in length: Source Port (UDP packets from a client use this as a service access point (SAP) to indicate the session on the local client that originated the packet.
This meant that the type field in Ethernet could be used for other purposes, if an 802.2 header appeared at the beginning of the user data, so the IEEE standard for Ethernet, IEEE 802.3, included after the source MAC address a 16-bit field indicating the length of the user data in the packet, for the benefit of protocols that couldn't infer the length of the user data from the length of the packet as received.