Objective
The objective of the PROOF project is to provide interconnectivity between workstations and servers in a mixed ISDN and Ethernet LAN environment and to explore how existing applications might be affected by, and new applications could take advantage of, such interconnectivity.
The following techniques and capabilities were developed:
a gateway to connect the public primary rate ISDN (PRI) to existing Ethernet local area networks (LANs);
a very efficient inverse multiplexer capability conforming to the BONDING standard to aggregate high bandwidth across the integrated services digital network (ISDN) by combining a number of discrete 64 Kbit/s calls and compensating for unequal cross network propagation delays;
experiments with home working, using dial up workstation to LAN connection across the public ISDN. These showed that circumstances exist where, by adopting suitable automatic disconnection and reconnection strategies, near LAN performance can be achieved across the ISDN at a significant saving over medium distance commuting costs;
a flexible PRI common channel signalling protocol converter interfacing between the Euro-ISDN 1.421 protocol and others such as the UK DASS 2 standard;
a channel groomer capable of sharing a single PRI access between a number of diverse, concurrently operating, ISDN equipments;
open systems interconnection (OSI) management, management information bases (MIB) for X.400 mail and X.500 directory services;
integration of security and X.500 directory services, with remote authentication across X.25 and ISDN networks;
integration of these services within a comprehensive OSI management system.
The final demonstration would show applications running over OSI protocol stacks supported on workstations and servers directly attached both to LANs and to a digital PABX. High performance LAN interconnect would be shown with gateways operating between LANs and Primary Rate ISDN (PRI) on the PBX.
As the project evolved further objectives were added including some evaluation of true WAN usage and home working - the original ISDN PBX was replaced by use of switched Public ISDN connections, including Basic Rate (BRI) as well as PRI. New applications included multimedia and high quality video using an "inverse multiplexer" to aggregate sufficient ISDN bandwidth.
Fields of science (EuroSciVoc)
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Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Call for proposal
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Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Funding Scheme
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
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Coordinator
RG24 0QG Basingstoke
United Kingdom
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.