Simulative analysis of optimal resource allocation and routing in IBCN's

 
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Simulative analysis of optimal resource allocation and routing in IBCN's (EN)

Venieris Iakovos, S (EN)
Sykas Efstathios, D (EN)
Vlakos Konstantinos, M (EN)
Protonotarios Emmanuel, N (EN)

N/A (EN)

The problem of resource allocation for future integrated broadband communication networks (IBCNs) is addressed. It mainly involves resource allocation at the connection level. The resource allocation problem is decomposed into the following interdependent tasks: (i) given that a network can accommodate the bandwidth demand of a call request, determine a route for the corresponding asynchronous transfer mode (ATM) virtual connection, and (ii) allocate bandwidth, i.e., links inside the trunks of the chosen route, to this connection according to predefined limits on bandwidth use by various service calls. Hence, (i) is mainly the responsibility of the routing algorithm used by the network operator, while (ii) depends on the link allocation scheme used to reserve trunk bandwidth, i.e., links, for each service. Various link allocation schemes combined with routing algorithms are examined. Their performance in terms of service call blocking is evaluated using a software package developed for that purpose. It is shown that the traditional complete sharing (CS) and complete partitioning (CP) policies are not adequate for IBCNs. Movable boundary (MB) policies are more flexible and present near-optimal performance when access of broadband service to narrowband service resources is allowed and suitable routing algorithms are dynamically applied. (EN)

journalArticle

Complete Sharing (EN)
Simulation Analysis (EN)
Routing Algorithm (EN)
Movable Boundary Policies (EN)
Optimal Resource Allocation (EN)
Broadband Communication (EN)
Probability (EN)
Optimization (EN)
Asynchronous Transfer Mode (EN)
Blocking Probability (EN)
Software Package (EN)
Switching Theory - Asynchronous Sequential Logic (EN)
Resource Allocation (EN)
ATM Virtual Connection (EN)
Digital Communication Systems (EN)
Telecommunication - Traffic (EN)
Integrated Broadband Communication Networks (EN)

Εθνικό Μετσόβιο Πολυτεχνείο (EL)
National Technical University of Athens (EN)

IEEE Journal on Selected Areas in Communications (EN)

1991


IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC (EN)



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