Standards
|
Layer |
Standards |
ISO standard |
CCITT standard |
|
ACSE (Application Layer) |
Service |
ISO 8649 |
CCITT X.217 |
|
Protocol |
ISO 8650 |
CCITT X.227 |
|
|
Presentation Layer |
Service |
ISO 8822 |
CCITT X.216 |
|
Protocol |
ISO 8823 |
CCITT X.226 |
|
|
ISO 8824 |
CCITT X.208 |
||
|
ISO 8825 |
CCITT X.209 |
||
|
Session Layer |
Service |
ISO 8326 |
CCITT X.215 |
|
Protocol |
ISO 8327 |
CCITT X.225 |
|
|
Transport Layer Protocol |
Service |
ISO 8072 |
CCITT X.214 |
|
Protocol |
ISO 8073 |
CCITT X.224 |
|
|
Darpa TCP RFC 793 (1981) |
|
|
|
|
Network Layer |
Service |
ISO 8348 |
CCITT X.213 |
|
Darpa IP RFC 971 (1981) |
|
|
|
|
Protocol |
ISO 8473 |
CCITT X.223 |
|
|
X.25 protocol |
ISO 8208 |
CCITT X.25 |
|
|
NSAP1 addresses |
ISO 8348/ 2 |
|
|
|
SNDCF2 |
|
|
1Network Service Access Point (equivalent to an IP address)
2SubNetwork Dependent Convergence Function (Mobile Data Link Protocol)