╤σ≥σΓ√σ ≥σ⌡φεδεπΦΦ, ∩≡ε≥εΩεδ√, ±≥αφΣα≡≥√

 
═α ±σ≡Γσ≡σ ≥σδσΩε∞∞≤φΦΩα÷ΦεφφεΘ Ωε∞∩αφΦΦ "╚φ╩ε∞└" ∩≡σΣ±≥αΓδσφα ≥σ⌡φΦ≈σ±Ωα  Φφ⌠ε≡∞α÷Φ  Φ ±≥αφΣα≡≥√, ε≥φε± ∙Φσ±  Ω ╚φ≥σ≡φσ≥≤ (TCP/IP) Φ Σ≡≤πΦ∞ ±σ≥σΓ√∞ ≥σ⌡φεδεπΦ ∞: Frame Relay, X.25, ATM, ISDN, FDDI; ≡σΩε∞σφΣα÷ΦΦ CCITT/ITU Φ Σ≡≤πΦσ ≥σ⌡φΦ≈σ±ΩΦσ ∞α≥σ≡Φαδ√ ∩ε ±σ≥ ∞ ∩σ≡σΣα≈Φ Σαφφ√⌡.
http://www.incoma.ru/cp1251/main/technology.html