The tradeoff between blocking and dropping in circuit-switchednetworks of video users

摘要

Circuit-switched networks of video users with different grades ofservice are considered. The authors consider admission control schemesthat result in an increase to network throughput at the expense of somefraction of the information (rate) transmitted by the video sourcesbeing dropped. The end-to-end probability of blocking video requests andthe associated probability of rate dropping of video sources areevaluated along each network path for the above control schemes and foran arbitrary circuit-switched network architecture. Instead of the exactexpressions, which require prohibitive computational effort, thestochastic knapsack approximation and the Monte Carlo summation methodare employed