«Firmitatis, Utilitatis, Venustatis»
«Durability, Utility, Beauty» Main properties of good architecture according Marcus Vitruvius Pollio, Roman architect, ca. 27 BC.
Search the internet and you will find some 130+ definitions about architecture. There is no global consensus about the details and the precise relationship to systems engineering. The standard about architecture descriptions ISO/IEC/IEEE 42010 provides the following definition:
«System architecture aggregates the fundamental concepts or properties of a system in its environment embodied in its elements, relationships, and in the principles of its design and evolution.»
iso-architecture.org — The web sites about ISO/IEC/IEEE 42010, the standard about architecture description. This site provides resources related to architecture, architecture descriptions and architecture frameworks.
The INCOSE Architecture Working Group
The INCOSE UK Architecture Working Group (AWG) — Most content is only accesible after registration.
Gaudí System Architecting — Site operated by the Netherland’s Embedded Systems Institute with introduction to systems architecture, papers and book reviews. The site takes its name from the Spanish architect Gaudí.
Principles of System Architecture — Intorduction into the issue
TRAK Enterprise Architecture Framework — Architecture framework originally designed for the UK Departement of Transport to provide easier application that the heavy architecture frameworks used in defence area.
An additional site provides contact to a community and a wiki about TRAK.
TOGAF — The architecture framework of the open group.
Architecture Framework Forum — A site about architecture frameworks.
Paul Jansen’s view on architecture — A site with nicely animated information about architecture.