The role of ISDN in data networking

Authors:
C. H. W. Everrett;K. M. Blakey;L. N. C. Morgan
Affiliations:
BT Laboratories, Martlesham Heath, Ipswich, Suffolk, England IP 5 3RE;BT Laboratories, Martlesham Heath, Ipswich, Suffolk, England IP 5 3RE;BT Laboratories, Martlesham Heath, Ipswich, Suffolk, England IP 5 3RE
Venue:
BT Technology Journal
Year:
1998

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Abstract

The integrated services digital network (ISDN) offers on-demand switched end-to-end digital connectivity over the wide area, enabling the integration of both voice and data services over a common core network. This paper considers the role of ISDN in data networking, both as the core transport network and as a means of enhancing resilience in a mixed-technology data solution, complementing other data network technologies. The issues associated with data transport based on an ISDN solution are considered, and include security, bandwidth utilisation, scalability and the management of ISDN-attached devices. Optimising the use of ISDN networks for supporting the most prevalent routed and routeing protocols is also discussed.