Table 1. Parameters for the proposed algorithm (Algorithm 2).

Parameters	Definitions
$Q_H,Q_M,Q_L$	Priority queues
$re{q}_i$	Request
$dela{y}_i^T$	Delay cost for i request
$S{T}_{est}^T$	Estimated total capacity of requests in queue
$S{T}_{est}^k$	Estimated service capacity of node k
$nod{e}_{dt}$	Distributor node
$L_{node}$	Capacity list of ordered nodes
$L_{node}^k$	k.Element of the node list
$nod{e}_k$	k.Node