</s> ▁The ▁Lost ▁Years ▁of ▁Mer lin ▁series ▁consists ▁of ▁the ▁following ▁books ▁written ▁by ▁T . ▁A . ▁Bar ron , ▁describing ▁the ▁experiences ▁of ▁a ▁young ▁Mer lin ▁before ▁his ▁appearance ▁in ▁the ▁Arthur ian ▁legend . ▁▁ ▁Mer lin ▁Book ▁ 1 : ▁The ▁Lost ▁Years ▁of ▁Mer lin ▁ ▁Mer lin ▁Book ▁ 2 : ▁The ▁Seven ▁Songs ▁of ▁Mer lin ▁ ▁Mer lin ▁Book ▁ 3 : ▁The ▁F ires ▁of ▁Mer lin ▁ ▁Mer lin ▁Book ▁ 4 : ▁The ▁Mir ror ▁of ▁Mer lin ▁ ▁Mer lin ▁Book ▁ 5 : ▁The ▁W ings ▁of ▁Mer lin ▁ ▁Category : Mer lin ▁Category : Mod ern ▁Arthur ian ▁fiction ▁Category : Series ▁of ▁children ' s ▁books <0x0A> </s> ▁Mult ip ro tocol ▁Label ▁Switch ing ▁( MP LS ) ▁is ▁a ▁routing ▁technique ▁in ▁tele communic ations ▁networks ▁that ▁direct s ▁data ▁from ▁one ▁node ▁to ▁the ▁next ▁based ▁on ▁short ▁path ▁labels ▁rather ▁than ▁long ▁network ▁addresses , ▁thus ▁avoid ing ▁complex ▁look ups ▁in ▁a ▁routing ▁table ▁and ▁speed ing ▁traffic ▁flows . ▁The ▁labels ▁identify ▁virtual ▁links ▁( paths ) ▁between ▁distant ▁nodes ▁rather ▁than ▁end points . ▁M PL S ▁can ▁enc aps ulate ▁packets ▁of ▁various ▁network ▁protocol s , ▁hence ▁the ▁" multip ro tocol " ▁reference ▁on ▁its ▁name . ▁M PL S ▁supports ▁a ▁range ▁of ▁access ▁techn ologies , ▁including ▁T 1 / E 1 , ▁AT M , ▁Frame ▁Rel ay , ▁and ▁D SL