Future internet architectures: design and deployment perspectives [Guest editorial]

The last 40 years of research has matured packet switching technology as a key communication primitive. Its key use context, the Internet, has been phenomenally successful. From its humble beginning as a research network, it has evolved into a critical infrastructure for the development of businesses, societies, and nations. The Internet??s most popular application, the World Wide Web, has powered the present information age that has accelerated progress in all areas. There is no doubt that a lot has been achieved. Yet as we look toward the future, a very different set of research challenges present themselves. These challenges originate primarily from the ??responsibilities?? of handling an elite infrastructure, the ??burden?? of satisfying popular expectations, and catering to the ??change?? in its use context.