▁standards ▁for ▁the ▁plug - ins ▁evol ve . ▁ ▁However , ▁the ▁use ▁of ▁the ▁M AL ▁removes ▁any ▁direct ▁dependence ▁of ▁the ▁application ▁on ▁the ▁protocol ▁techn ologies ▁and ▁therefore ▁it ▁is ▁possible ▁to ▁isol ate ▁any ▁evolution ▁to ▁lower ▁adapter ▁layers . ▁ ▁M AL ▁pre cludes ▁the ▁use ▁of ▁service ▁contract s ▁as ▁the ▁center pie ce ▁defining ▁a ▁data - dri ven ▁service ▁architecture . ▁ ▁Im plement ations ▁ ▁Two ▁independent ▁implementations ▁are ▁required ▁by ▁CC SD S ▁procedures , ▁these ▁have ▁been ▁implemented ▁by ▁E SA ▁and ▁C N ES . ▁Both ▁A gen cies ▁are ▁working ▁towards ▁re le asing ▁under ▁open ▁source ▁lic ences . ▁ ▁References ▁▁ ▁Category : Space ▁standards ▁Category : CC SD S <0x0A> </s> ▁The ▁ol iv ace ous ▁th orn b ill ▁( Ch al cost igma ▁ol iv ace um ) ▁is ▁a ▁species ▁of ▁hum ming bird ▁in ▁the ▁family ▁Tro ch il idae . ▁It ▁is ▁found ▁in ▁Peru ▁and ▁Boliv ia . ▁Its ▁natural ▁habitat ▁is ▁subt rop ical ▁or ▁tropical ▁high - alt itude ▁grass land . ▁ ▁References ▁ ▁ol iv ace ous ▁th orn b ill ▁Category : B ird s ▁of ▁the ▁Per uv ian ▁And es ▁Category : B ird s ▁of ▁the ▁Boliv ian ▁And es ▁ol iv ace ous ▁th orn b ill ▁Category : T ax onomy ▁articles ▁created ▁by ▁Pol bot <0x0A> </s> ▁Bobby ▁Miller ▁may ▁refer ▁to : ▁ ▁Bobby ▁Miller ▁( G ael