ðɪ ˌɛssˌiːpˌiːˈɛs pɹˈoʊɾəkˌɑːl ðæt hɐz sˈiːn ðə mˈoʊst jˈuːs kəmˈɜːʃəli ɪz ˌɛssˌiːpˌiːˈɛstˌiːpˈiː, jˈuːʒuːəli dᵻplˈɔɪd æz ɐ pɚfˈoːɹməns ɛnhˈænsɪŋ pɹˈɑːksi pˌiːˌiːpˈiː tʊ ɪmpɹˈuːv tˌiːsˌiːpˈiː pɚfˈoːɹməns ˌoʊvɚ sˈæɾəlˌaɪt lˈɪŋks.
The SCPS protocol that has seen the most use commercially is SCPS-TP, usually deployed as a Performance Enhancing Proxy (PEP) to improve TCP performance over satellite links.