Margaret of Anjou England to prove himself before she followed. He did so, restoring Henry VI briefly to the throne on 3 October 1470. By the time Margaret, her son and daughter-in-law (Anne) were ready to follow Warwick back to England, the tables had again turned in favour of the Yorkists, and the Earl was defeated and killed by the returning King Edward IV in the Battle of Barnet on 14 April 1471. Margaret was forced to lead her own army at the Battle of Tewkesbury on 4 May 1471, at which the Lancastrian forces were defeated and her seventeen-year-old son Edward of
IEEE 1471 description". According to IEEE 1471 an architecture description can be used for the following: According to IEEE Standard Glossary of Software Engineering Terminology the following definitions are used: IEEE 1471 uses the following conceptual framework. IEEE 1471 defines a set of normative requirements for conforming architecture descriptions, including the following: IEEE 1471 IEEE 1471 is a superseded IEEE Standard for describing the architecture of a "software-intensive system", also known as software architecture. In 2011 it was superseded by ISO/IEC/IEEE 42010:2011, "Systems and software engineering — Architecture description". IEEE 1471 is the short name for a standard formally known as ANSI/IEEE