Greeks in the United Kingdom entire English Church, at Hertford. The structure of dioceses and parishes he put in place is still substantially in place today. The Byzantine ruler Manuel II visited England in 1400, where he was received by Henry IV at Eltham Palace. A Greek presence in London was recorded with the two brothers, Andronikos and Alexios Effomatos – described in contemporary records as "Grekes" – who were known to have been resident in London in 1440. They were from Constantinople, the capital of Byzantium. In 1445, the king of England, Henry VI (1421–1471), granted the brothers permission to remain in London and
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