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SFC Data Plane Element | Insert, remove, or replace the NSH | Update the NSH | |||
---|---|---|---|---|---|
Insert | Remove | Replace | Decrement Service Index | Update Context Header(s) | |
Classifier | + | + | + | ||
Service Function Forwarder (SFF) | + | ||||
Service Function (SF) | + | + | |||
Service Function Chaining (SFC) Proxy | + | + | + | + |
Data Plane Element | Base and Service Path Headers Encryption | Context Header Encryption |
---|---|---|
Classifier | No | Yes |
SFF | No | No |
NSH-aware SF | No | Yes |
SFC Proxy | No | Yes |
NSH-unaware SF | No | No |
Data Plane Element | Integrity Protection |
---|---|
Classifier | Yes |
SFF | No (first LoA); Yes (second LoA) |
NSH-aware SF | Yes |
SFC Proxy | Yes |
NSH-unaware SF | No |
Value | Description | Reference |
---|---|---|
0x02 | MAC and Encrypted Metadata #1 | RFC 9145 |
0x03 | MAC and Encrypted Metadata #2 | RFC 9145 |
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