Edmund Beaufort (died 1471) on the south side of Tewkesbury Abbey, under an arch. His younger brother John had been killed during the battle, and as both died unmarried, "the house of Beaufort and all the honours to which they were entitled became extinct". The execution shortly thereafter of Henry VI left Edmund's 1st cousin, Margaret Beaufort, and her son, Henry Tudor, as the senior representatives of the House of Lancaster. Attribution Edmund Beaufort (died 1471) Edmund Beaufort (c. 1438 – 6 May 1471), styled 4th Duke of Somerset, was an English nobleman, and a military commander during the Wars of the Roses, in
IEEE 1471 of software-intensive systems". It has long been recognized that "architecture" has a strong influence over the life cycle of a system. However, until relatively recently, hardware issues have tended to dominate architectural thinking, and software aspects, when considered at all, were often the first to be compromised under the pressures of development. IEEE 1471 was created to provide a basis for thinking about the architecture of software-intensive systems. IEEE 1471's contributions can be summarised as follows (in this list, items in "italics" are terms defined by and used in the standard): IEEE 1471 provides informative annexes that relate its concepts