Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Bayan tsarin farko na ATM, cibiyoyin sadarwa sun zama da sauri. Tsarin Ethernet mai cikakken girma na 1500 (12000-bit) yana ɗaukar 1.2 μs kawai don watsawa a kan hanyar sadarwar 10 Gbit / s, yana rage buƙatar ƙananan ƙwayoyin don rage jitter saboda jayayya. Wasu sunyi la'akari da cewa wannan yana ba da hujja don maye gurbin ATM tare da Ethernet a cikin kashin baya na hanyar sadarwa. Haɓaka haɗin haɗin kai da kansu ba sa sauƙaƙe jitter saboda jerin gwano. Bugu da ƙari, kayan aiki don aiwatar da sabis na daidaitawa don fakitin IP yana da tsada a cikin saurin gudu. Musamman, a saurin OC-3 da sama, farashin rarrabuwa da sake haɗawa (SAR) kayan aiki ya sa ATM ya zama mai ƙarancin gasa ga IP fiye da Packet Over SONET (POS); saboda tsayayyen ɗakunan ajiya na 48-byte, ATM bai dace ba a matsayin layin haɗin bayanan da ke ƙarƙashin IP kai tsaye (ba tare da buƙatar SAR a matakin haɗin bayanan ba) tunda layin OSI wanda IP ke aiki dole ne ya samar da matsakaicin rukunin watsawa (MTU) na aƙalla 576 bytes. Iyakokin aikin SAR yana nufin cewa mafi saurin hanyoyin sadarwar IP na ATM sune STM16 - STM64 wanda a zahiri yayi kwatankwacinsa, yayin da daga 2004 POS zai iya aiki a OC-192 (STM64) tare da saurin saurin da ake tsammani a nan gaba, iyakoki dangane da rarrabuwa da sake haɗawa (SAR).  Tambaya: Mene ne da aka ba da shawara don maye gurbin ATM?
Ethernet