Single user exhaustive system R D R D R D R D R D Customer i arrives ©X Xi-1 X-2 Xi-3 W Assume reservation intervals are i.i.d Identical to M/G/1 with vacations x2,2 W= Vacation period reservation period 2(1-p)'2V AX2 A If V=A (constant),then W= 2(1-p) 2 Weigiang Sun Communication Networks 4Weiqiang Sun Communication Networks Single user exhaustive system • Assume reservation intervals are i.i.d • Identical to M/G/1 with vacations – Vacation period = reservation period 4 R D R D R D R D R D  Xi Xi-1 Xi-2 Xi-3 Customer i arrives Wi Ri   2 2 2 1 2 X V W V      If V=A (constant), then   2 2 1 2 X A W      