The History and Context of Telephone Number Mapping (ENUM) Operational Decisions: Informational Documents Contributed to ITU-T Study. J. Klensin, Ed. March 2002.
Extending Point-to-Point Protocol (PPP) over Synchronous Optical NETwork/Synchronous Digital Hierarchy (SONET/SDH) with Virtual Concatenation, High Order and Low Order Payloads. N. Jones, C. Murton. April 2002.
The DOCSIS (Data-Over-Cable Service Interface Specifications) Device Class DHCP (Dynamic Host Configuration Protocol) Relay Agent Information Sub-option. D. Jones, R. Woundy. April 2002.