rfc9600v2.txt | rfc9600.txt | |||
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skipping to change at line 351 ¶ | skipping to change at line 351 ¶ | |||
dropped packets as an indication of congestion. | dropped packets as an indication of congestion. | |||
Decapsulating a non-IP protocol frame: If the frame has a means of | Decapsulating a non-IP protocol frame: If the frame has a means of | |||
indicating ECN that is understood by the RBridge, it MUST follow | indicating ECN that is understood by the RBridge, it MUST follow | |||
the guidelines in Section 4.4 of [RFC9599] when setting the ECN | the guidelines in Section 4.4 of [RFC9599] when setting the ECN | |||
information in the decapsulated native frame. For a non-IP | information in the decapsulated native frame. For a non-IP | |||
protocol with an ECN field similar to IP, this would be achieved | protocol with an ECN field similar to IP, this would be achieved | |||
by combining the information in the TRILL header flags word with | by combining the information in the TRILL header flags word with | |||
the encapsulated non-IP native frame, as specified in Table 3. | the encapsulated non-IP native frame, as specified in Table 3. | |||
+============+=====+=========================================+ | +================+=====+=========================================+ | |||
| TRILL-ECN | CCE | Arriving TRILL 3-Bit ECN Codepoint Name | | | TRILL-ECN | CCE | Arriving TRILL 3-Bit ECN Codepoint Name | | |||
+============+=====+=========================================+ | +=========+======+ | | | |||
| Not-ECT 00 | 0 | Not-ECT | | | Name | Bits | | | | |||
+------------+-----+-----------------------------------------+ | +=========+======+=====+=========================================+ | |||
| ECT(1) 01 | 0 | ECT(1) | | | Not-ECT | 00 | 0 | Not-ECT | | |||
+------------+-----+-----------------------------------------+ | +---------+------+-----+-----------------------------------------+ | |||
| ECT(0) 10 | 0 | ECT(0) | | | ECT(1) | 01 | 0 | ECT(1) | | |||
+------------+-----+-----------------------------------------+ | +---------+------+-----+-----------------------------------------+ | |||
| NCCE 11 | 0 | CE | | | ECT(0) | 10 | 0 | ECT(0) | | |||
+------------+-----+-----------------------------------------+ | +---------+------+-----+-----------------------------------------+ | |||
| Not-ECT 00 | 1 | CE | | | NCCE | 11 | 0 | CE | | |||
+------------+-----+-----------------------------------------+ | +---------+------+-----+-----------------------------------------+ | |||
| ECT(1) 01 | 1 | CE | | | Not-ECT | 00 | 1 | CE | | |||
+------------+-----+-----------------------------------------+ | +---------+------+-----+-----------------------------------------+ | |||
| ECT(0) 10 | 1 | CE | | | ECT(1) | 01 | 1 | CE | | |||
+------------+-----+-----------------------------------------+ | +---------+------+-----+-----------------------------------------+ | |||
| NCCE 11 | 1 | CE | | | ECT(0) | 10 | 1 | CE | | |||
+------------+-----+-----------------------------------------+ | +---------+------+-----+-----------------------------------------+ | |||
| NCCE | 11 | 1 | CE | | ||||
+---------+------+-----+-----------------------------------------+ | ||||
Table 2: OPT A: Mapping of TRILL-ECN and CCE Fields to the | Table 2: OPT A: Mapping of TRILL-ECN and CCE Fields to the | |||
TRILL 3-Bit ECN Codepoint Name | TRILL 3-Bit ECN Codepoint Name | |||
+=====================+============================================+ | +=====================+============================================+ | |||
| Inner Native Header | Arriving TRILL 3-Bit ECN Codepoint Name | | | Inner Native Header | Arriving TRILL 3-Bit ECN Codepoint Name | | |||
| +=========+============+============+========+ | | +=========+============+============+========+ | |||
| | Not-ECT | ECT(0) | ECT(1) | CE | | | | Not-ECT | ECT(0) | ECT(1) | CE | | |||
+=====================+=========+============+============+========+ | +=====================+=========+============+============+========+ | |||
| Not-ECT | Not-ECT | Not-ECT(*) | Not-ECT(*) | <drop> | | | Not-ECT | Not-ECT | Not-ECT(*) | Not-ECT(*) | <drop> | | |||
End of changes. 1 change blocks. | ||||
19 lines changed or deleted | 21 lines changed or added | |||
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