Developing the W-house

Developing the world's first house made from wrapped cardboard, used for semi permanent purposes.

The provisioning of digital leased lines in an SDH-based transport network

The time between request and realization of private or leased lines (i.e. provisioning time) has traditionally been very long (i.e. months). To a large extent, this has to do with the inflexibility of the "conventional" transport network. With the availability of Digital Cross-connect Systems (DCS) and other network products based on the...

Reservation, routing and maintenance of Digital Leased Lines in an SDH based transport network: A centralised approach

Due to a combination of a market pull and a technology push a new transmission standard, called SDH (Synchronous Digital Hierarchy), has evolved. A transport network based on Digital Cross-Connect Systems, Drop & Insert Multiplexers and other SDH based products offers great network flexibility. This network flexibility can be used for the...