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further rev responding to Joerg Ott

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Randy Bush 2020-05-23 11:30:54 -07:00
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draft-ietf-lsvr-l3dl.txt
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Network Working Group R. Bush Network Working Group R. Bush
Internet-Draft Arrcus & Internet Initiative Japan Internet-Draft Arrcus & Internet Initiative Japan
Intended status: Standards Track R. Austein Intended status: Standards Track R. Austein
Expires: November 8, 2020 K. Patel Expires: November 24, 2020 K. Patel
Arrcus Arrcus
May 7, 2020 May 23, 2020
Layer 3 Discovery and Liveness Layer 3 Discovery and Liveness
@ -46,14 +46,14 @@ Status of This Memo
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on November 8, 2020. This Internet-Draft will expire on November 24, 2020.
Bush, et al. Expires November 8, 2020 [Page 1] Bush, et al. Expires November 24, 2020 [Page 1]
Internet-Draft Layer 3 Discovery and Liveness May 2020 Internet-Draft Layer 3 Discovery and Liveness May 2020
@ -109,7 +109,7 @@ Table of Contents
Bush, et al. Expires November 8, 2020 [Page 2] Bush, et al. Expires November 24, 2020 [Page 2]
Internet-Draft Layer 3 Discovery and Liveness May 2020 Internet-Draft Layer 3 Discovery and Liveness May 2020
@ -165,7 +165,7 @@ Internet-Draft Layer 3 Discovery and Liveness May 2020
Bush, et al. Expires November 8, 2020 [Page 3] Bush, et al. Expires November 24, 2020 [Page 3]
Internet-Draft Layer 3 Discovery and Liveness May 2020 Internet-Draft Layer 3 Discovery and Liveness May 2020
@ -221,7 +221,7 @@ Internet-Draft Layer 3 Discovery and Liveness May 2020
Bush, et al. Expires November 8, 2020 [Page 4] Bush, et al. Expires November 24, 2020 [Page 4]
Internet-Draft Layer 3 Discovery and Liveness May 2020 Internet-Draft Layer 3 Discovery and Liveness May 2020
@ -277,7 +277,7 @@ Internet-Draft Layer 3 Discovery and Liveness May 2020
Bush, et al. Expires November 8, 2020 [Page 5] Bush, et al. Expires November 24, 2020 [Page 5]
Internet-Draft Layer 3 Discovery and Liveness May 2020 Internet-Draft Layer 3 Discovery and Liveness May 2020
@ -333,7 +333,7 @@ Internet-Draft Layer 3 Discovery and Liveness May 2020
Bush, et al. Expires November 8, 2020 [Page 6] Bush, et al. Expires November 24, 2020 [Page 6]
Internet-Draft Layer 3 Discovery and Liveness May 2020 Internet-Draft Layer 3 Discovery and Liveness May 2020
@ -389,7 +389,7 @@ Internet-Draft Layer 3 Discovery and Liveness May 2020
Bush, et al. Expires November 8, 2020 [Page 7] Bush, et al. Expires November 24, 2020 [Page 7]
Internet-Draft Layer 3 Discovery and Liveness May 2020 Internet-Draft Layer 3 Discovery and Liveness May 2020
@ -445,7 +445,7 @@ Internet-Draft Layer 3 Discovery and Liveness May 2020
Bush, et al. Expires November 8, 2020 [Page 8] Bush, et al. Expires November 24, 2020 [Page 8]
Internet-Draft Layer 3 Discovery and Liveness May 2020 Internet-Draft Layer 3 Discovery and Liveness May 2020
@ -501,7 +501,7 @@ Internet-Draft Layer 3 Discovery and Liveness May 2020
Bush, et al. Expires November 8, 2020 [Page 9] Bush, et al. Expires November 24, 2020 [Page 9]
Internet-Draft Layer 3 Discovery and Liveness May 2020 Internet-Draft Layer 3 Discovery and Liveness May 2020
@ -557,7 +557,7 @@ Internet-Draft Layer 3 Discovery and Liveness May 2020
Bush, et al. Expires November 8, 2020 [Page 10] Bush, et al. Expires November 24, 2020 [Page 10]
Internet-Draft Layer 3 Discovery and Liveness May 2020 Internet-Draft Layer 3 Discovery and Liveness May 2020
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deployment. deployment.
Sum up 32-bit unsigned ints in a 64-bit long, then take the high- Sum up 32-bit unsigned ints in a 64-bit long, then take the high-
order section, shift it right, rotate, add it in, repeat until zero. order section, shift it right filling on the left with zeros, rotate,
add it in, repeat until the high order 32 bits are all zero.
@ -612,8 +613,7 @@ Internet-Draft Layer 3 Discovery and Liveness May 2020
Bush, et al. Expires November 24, 2020 [Page 11]
Bush, et al. Expires November 8, 2020 [Page 11]
Internet-Draft Layer 3 Discovery and Liveness May 2020 Internet-Draft Layer 3 Discovery and Liveness May 2020
@ -669,7 +669,7 @@ Internet-Draft Layer 3 Discovery and Liveness May 2020
Bush, et al. Expires November 8, 2020 [Page 12] Bush, et al. Expires November 24, 2020 [Page 12]
Internet-Draft Layer 3 Discovery and Liveness May 2020 Internet-Draft Layer 3 Discovery and Liveness May 2020
@ -725,7 +725,7 @@ Internet-Draft Layer 3 Discovery and Liveness May 2020
Bush, et al. Expires November 8, 2020 [Page 13] Bush, et al. Expires November 24, 2020 [Page 13]
Internet-Draft Layer 3 Discovery and Liveness May 2020 Internet-Draft Layer 3 Discovery and Liveness May 2020
@ -781,7 +781,7 @@ Internet-Draft Layer 3 Discovery and Liveness May 2020
Bush, et al. Expires November 8, 2020 [Page 14] Bush, et al. Expires November 24, 2020 [Page 14]
Internet-Draft Layer 3 Discovery and Liveness May 2020 Internet-Draft Layer 3 Discovery and Liveness May 2020
@ -837,7 +837,7 @@ Internet-Draft Layer 3 Discovery and Liveness May 2020
Bush, et al. Expires November 8, 2020 [Page 15] Bush, et al. Expires November 24, 2020 [Page 15]
Internet-Draft Layer 3 Discovery and Liveness May 2020 Internet-Draft Layer 3 Discovery and Liveness May 2020
@ -893,7 +893,7 @@ Internet-Draft Layer 3 Discovery and Liveness May 2020
Bush, et al. Expires November 8, 2020 [Page 16] Bush, et al. Expires November 24, 2020 [Page 16]
Internet-Draft Layer 3 Discovery and Liveness May 2020 Internet-Draft Layer 3 Discovery and Liveness May 2020
@ -949,7 +949,7 @@ Internet-Draft Layer 3 Discovery and Liveness May 2020
Bush, et al. Expires November 8, 2020 [Page 17] Bush, et al. Expires November 24, 2020 [Page 17]
Internet-Draft Layer 3 Discovery and Liveness May 2020 Internet-Draft Layer 3 Discovery and Liveness May 2020
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authenticate is a failure to start the L3DL session, an ERROR PDU authenticate is a failure to start the L3DL session, an ERROR PDU
MUST BE sent (Error Code 3), and HELLOs MUST be restarted. MUST BE sent (Error Code 3), and HELLOs MUST be restarted.
Although delay and jitter in responding with an OPEN were specified
above, beware of load created by long strings of authentication
failures and retries.
The Serial Number is that of the last received and processed PDU. The Serial Number is that of the last received and processed PDU.
This allows a receiver sending an OPEN to tell the sender that the This allows a receiver sending an OPEN to tell the sender that the
receiver wants to resume a session and the sender only needs to send receiver wants to resume a session and the sender only needs to send
@ -1001,11 +1005,7 @@ Internet-Draft Layer 3 Discovery and Liveness May 2020
Bush, et al. Expires November 24, 2020 [Page 18]
Bush, et al. Expires November 8, 2020 [Page 18]
Internet-Draft Layer 3 Discovery and Liveness May 2020 Internet-Draft Layer 3 Discovery and Liveness May 2020
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Bush, et al. Expires November 8, 2020 [Page 19] Bush, et al. Expires November 24, 2020 [Page 19]
Internet-Draft Layer 3 Discovery and Liveness May 2020 Internet-Draft Layer 3 Discovery and Liveness May 2020
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Bush, et al. Expires November 8, 2020 [Page 20] Bush, et al. Expires November 24, 2020 [Page 20]
Internet-Draft Layer 3 Discovery and Liveness May 2020 Internet-Draft Layer 3 Discovery and Liveness May 2020
@ -1173,7 +1173,7 @@ Internet-Draft Layer 3 Discovery and Liveness May 2020
Bush, et al. Expires November 8, 2020 [Page 21] Bush, et al. Expires November 24, 2020 [Page 21]
Internet-Draft Layer 3 Discovery and Liveness May 2020 Internet-Draft Layer 3 Discovery and Liveness May 2020
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Bush, et al. Expires November 8, 2020 [Page 22] Bush, et al. Expires November 24, 2020 [Page 22]
Internet-Draft Layer 3 Discovery and Liveness May 2020 Internet-Draft Layer 3 Discovery and Liveness May 2020
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Bush, et al. Expires November 8, 2020 [Page 23] Bush, et al. Expires November 24, 2020 [Page 23]
Internet-Draft Layer 3 Discovery and Liveness May 2020 Internet-Draft Layer 3 Discovery and Liveness May 2020
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Bush, et al. Expires November 8, 2020 [Page 24] Bush, et al. Expires November 24, 2020 [Page 24]
Internet-Draft Layer 3 Discovery and Liveness May 2020 Internet-Draft Layer 3 Discovery and Liveness May 2020
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Bush, et al. Expires November 8, 2020 [Page 25] Bush, et al. Expires November 24, 2020 [Page 25]
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Bush, et al. Expires November 8, 2020 [Page 26] Bush, et al. Expires November 24, 2020 [Page 26]
Internet-Draft Layer 3 Discovery and Liveness May 2020 Internet-Draft Layer 3 Discovery and Liveness May 2020
@ -1509,7 +1509,7 @@ Internet-Draft Layer 3 Discovery and Liveness May 2020
Bush, et al. Expires November 8, 2020 [Page 27] Bush, et al. Expires November 24, 2020 [Page 27]
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Bush, et al. Expires November 8, 2020 [Page 28] Bush, et al. Expires November 24, 2020 [Page 28]
Internet-Draft Layer 3 Discovery and Liveness May 2020 Internet-Draft Layer 3 Discovery and Liveness May 2020
@ -1621,7 +1621,7 @@ Internet-Draft Layer 3 Discovery and Liveness May 2020
Bush, et al. Expires November 8, 2020 [Page 29] Bush, et al. Expires November 24, 2020 [Page 29]
Internet-Draft Layer 3 Discovery and Liveness May 2020 Internet-Draft Layer 3 Discovery and Liveness May 2020
@ -1677,7 +1677,7 @@ Internet-Draft Layer 3 Discovery and Liveness May 2020
Bush, et al. Expires November 8, 2020 [Page 30] Bush, et al. Expires November 24, 2020 [Page 30]
Internet-Draft Layer 3 Discovery and Liveness May 2020 Internet-Draft Layer 3 Discovery and Liveness May 2020
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Bush, et al. Expires November 8, 2020 [Page 31] Bush, et al. Expires November 24, 2020 [Page 31]
Internet-Draft Layer 3 Discovery and Liveness May 2020 Internet-Draft Layer 3 Discovery and Liveness May 2020
@ -1789,7 +1789,7 @@ Internet-Draft Layer 3 Discovery and Liveness May 2020
Bush, et al. Expires November 8, 2020 [Page 32] Bush, et al. Expires November 24, 2020 [Page 32]
Internet-Draft Layer 3 Discovery and Liveness May 2020 Internet-Draft Layer 3 Discovery and Liveness May 2020
@ -1797,7 +1797,7 @@ Internet-Draft Layer 3 Discovery and Liveness May 2020
[I-D.ietf-lsvr-bgp-spf] [I-D.ietf-lsvr-bgp-spf]
Patel, K., Lindem, A., Zandi, S., and W. Henderickx, Patel, K., Lindem, A., Zandi, S., and W. Henderickx,
"Shortest Path Routing Extensions for BGP Protocol", "Shortest Path Routing Extensions for BGP Protocol",
draft-ietf-lsvr-bgp-spf-08 (work in progress), March 2020. draft-ietf-lsvr-bgp-spf-09 (work in progress), May 2020.
[I-D.ymbk-lsvr-l3dl-signing] [I-D.ymbk-lsvr-l3dl-signing]
Bush, R. and R. Austein, "Layer 3 Discovery and Liveness Bush, R. and R. Austein, "Layer 3 Discovery and Liveness
@ -1845,7 +1845,7 @@ Internet-Draft Layer 3 Discovery and Liveness May 2020
Bush, et al. Expires November 8, 2020 [Page 33] Bush, et al. Expires November 24, 2020 [Page 33]
Internet-Draft Layer 3 Discovery and Liveness May 2020 Internet-Draft Layer 3 Discovery and Liveness May 2020
@ -1901,7 +1901,7 @@ Internet-Draft Layer 3 Discovery and Liveness May 2020
Bush, et al. Expires November 8, 2020 [Page 34] Bush, et al. Expires November 24, 2020 [Page 34]
Internet-Draft Layer 3 Discovery and Liveness May 2020 Internet-Draft Layer 3 Discovery and Liveness May 2020
@ -1957,4 +1957,4 @@ Authors' Addresses
Bush, et al. Expires November 8, 2020 [Page 35] Bush, et al. Expires November 24, 2020 [Page 35]

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draft-ietf-lsvr-l3dl.xml
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<figure> <figure>
<preamble>Sum up 32-bit unsigned ints in a 64-bit long, then take <preamble>Sum up 32-bit unsigned ints in a 64-bit long, then take
the high-order section, shift it right, rotate, add it in, repeat the high-order section, shift it right filling on the left with
until zero.</preamble> zeros, rotate, add it in, repeat until the high order 32 bits are
all zero.</preamble>
<artwork><![CDATA[ <artwork><![CDATA[
@ -841,6 +842,10 @@ q-->
authenticate is a failure to start the L3DL session, an ERROR PDU authenticate is a failure to start the L3DL session, an ERROR PDU
MUST BE sent (Error Code 3), and HELLOs MUST be restarted.</t> MUST BE sent (Error Code 3), and HELLOs MUST be restarted.</t>
<t>Although delay and jitter in responding with an OPEN were
specified above, beware of load created by long strings of
authentication failures and retries.</t>
<t>The Serial Number is that of the last received and processed PDU. <t>The Serial Number is that of the last received and processed PDU.
This allows a receiver sending an OPEN to tell the sender that the This allows a receiver sending an OPEN to tell the sender that the
receiver wants to resume a session and the sender only needs to send receiver wants to resume a session and the sender only needs to send