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Re: [rare-dev] Address details for bgp-ct draft update


Chronological Thread 
  • From: mc36 <>
  • To: Kaliraj Vairavakkalai <>
  • Cc: Natrajan Venkataraman <>, "" <>
  • Subject: Re: [rare-dev] Address details for bgp-ct draft update
  • Date: Mon, 29 Aug 2022 12:33:02 +0200

and one more reason: internally i store the rib in ordered list, and sending
one prefix per update in order seems good idea here....
( for example i'm pretty sure that the default route was sent first regardless the
rest... my nren "used" that once already... :)

so i also implemented the 2 level table as generic on the below link:
(synchronized means proper locking)
https://github.com/rare-freertr/freeRtr/blob/master/src/net/freertr/tab/tabGenV2.java
inserting to the middle sometimes takes a bit more then average, but
appending is _mostly_ constant time....
and the "mostly" could easily be removed by sacrificing a small bit of extra
memory...
thanks,
cs


On 8/29/22 09:23, mc36 wrote:
and i well know that implementing a proper packing is much more elegant but
for now,
i bmp and mrt both compressed and uncompressed so here i scarified some kiss
but i hope i gained some more kiss...
thanks,
cs


On 8/29/22 09:19, mc36 wrote:
btw the compress stuff is still in active use here on my homenet... i
participate in dn42 but there are only tier NaN-s
well and these days the almost enforce wireguard, except a very old gre and a
very new gre...
and they mostly run bird, and that's why i'm here!!!!
a withdrawal usually takes 30 minus but sometimes hours and a guy once
spotted a reproducible ghost route...

but back to the compress and why i love it: i marked 2 with "++" at the very
bottom of the shows below:


mc36@noti:~$ telnet sandbox.freertr.org
Trying 2001:738:0:520:f816:3eff:fe26:8e42...
Connected to sandbox.freertr.org.
Escape character is '^]'.
hi there!
[..]
welcome
line ready
p4deb-dn42>show ipv4 bgp 65535 compression
2022-08-29 09:12:19
| operate | ratio
neighbor | as | rx | tx | rx | tx
10.5.1.10 | 65535 | true | true | 17.4% | 49.0%
10.26.26.2 | 65535 | true | true | 17.4% | 49.0%

4deb-dn42>show ipv4 bgp 65535 connection
2022-08-29 09:13:19
| update | byte
| refresh
neighbor | as | rx | tx | rx | tx | rx | tx
10.5.1.10 | 65535 | 24475 | 1547 | 290301 | 1189 | 0 | 0
10.26.26.2 | 65535 | 24487 | 1546 | 290517 | 1189 | 0 | 0

p4deb-dn42>show ipv4 bgp 65535 neighbor 10.5.1.10 status
2022-08-29 09:14:04
category | value
peer | 10.5.1.10
shutdown | false
reachable state | true
reachable changed | 1d17h ago, at 2022-08-27 15:21:05
reachable changes | 1
fallover | null
update group | 0
type | internal
leak role | rx=disabled, tx=attrib
safi open | unicast multicast ouni omlt flowspec oflw
vpnuni vpnmlt vpnflw ovpnuni ovpnmlt ovpnflw vpls mspw evpn mdt nsh rtfilter
srte osrt linkstate mvpn omvpn
safi got | unicast multicast ouni omlt flowspec
oflw vpnuni vpnmlt vpnflw ovpnuni ovpnmlt ovpnflw vpls mspw evpn mdt nsh
rtfilter srte osrt linkstate mvpn omvpn
safi not remote |
safi not local |
local address | 10.1.11.198
other address | 2001:db8:1101::252:198
router id | 10.5.1.10
uptime | 1d0h ago, at 2022-08-28 08:29:13
hold time | 00:03:00
keepalive time | 00:01:00
32bit as | true
refresh | true, rx=0, tx=0
extended open | rx=true, tx=true
extended message | rx=true, tx=true
description | null
hostname | rr
domainname | mchome.nop.hu
compression | rx=true, tx=true
graceful got |
graceful sent |
multilabel got |
multilabel sent |
extnexthop cur |
extnexthop otr |
addpath rx open | unicast multicast vpnuni vpnmlt
addpath tx open | unicast multicast vpnuni vpnmlt
addpath rx got | unicast multicast vpnuni vpnmlt
addpath tx got | unicast multicast vpnuni vpnmlt
addpath rx not remote |
addpath tx not remote |
addpath rx not local |
addpath tx not local |
unicast advertised | 4 of 4, list = 0, accepted = 200 of 200
multicast advertised | 3 of 3, list = 0, accepted = 194 of 194
ouni advertised | 0 of 0, list = 0, accepted = 0 of 0
omlt advertised | 0 of 0, list = 0, accepted = 0 of 0
oflw advertised | 0 of 0, list = 0, accepted = 0 of 0
osrt advertised | 0 of 0, list = 0, accepted = 0 of 0
flowspec advertised | 0 of 0, list = 0, accepted = 1 of 1
vpnuni advertised | 3 of 3, list = 0, accepted = 901 of 901
vpnmlt advertised | 3 of 3, list = 0, accepted = 156 of 156
vpnflw advertised | 0 of 0, list = 0, accepted = 0 of 0
ovpnuni advertised | 0 of 0, list = 0, accepted = 0 of 0
ovpnmlt advertised | 0 of 0, list = 0, accepted = 0 of 0
ovpnflw advertised | 0 of 0, list = 0, accepted = 0 of 0
vpls advertised | 0 of 0, list = 0, accepted = 4 of 4
mspw advertised | 0 of 0, list = 0, accepted = 0 of 0
evpn advertised | 0 of 0, list = 0, accepted = 8 of 8
mdt advertised | 0 of 0, list = 0, accepted = 0 of 0
nsh advertised | 0 of 0, list = 0, accepted = 0 of 0
rtfilter advertised | 4 of 4, list = 0, accepted = 23 of 23
srte advertised | 0 of 0, list = 0, accepted = 0 of 0
linkstate advertised | 0 of 0, list = 0, accepted = 183 of 183
mvpn advertised | 2 of 2, list = 0, accepted = 14 of 14
omvpn advertised | 0 of 0, list = 0, accepted = 1 of 1
version | 65673 of 65673, needfull=0, buffull=1
full | 94, 2022-08-29 08:11:00, 01:03:03
ago, 0 ms
incr | 65445, 2022-08-29 09:14:04, 00:00:00
ago, 0 ms
sent | 60, 2022-08-29 08:11:00, 01:03:03 ago
connection +++ | tx=1189(1548) rx=290654(24494) drp=0(0)
lastio | input 00:00:00 ago, output 00:00:14
ago, drop never ago
uncompressed +++ | tx=2422(66) rx=1665063(23011) drp=0(0)
uncomplastio | input 00:00:00 ago, output 01:03:03 ago,
drop never ago
buffer | max=65536 rx=0 tx=65536
policy reject | 0
aspath loop | 0
confed loop | 0
originator id | 26
cluster list | 0

p4deb-dn42>


On 8/29/22 09:00, mc36 wrote:
lemme explain a bit... so i fallen in love with the compress because my bgp
is quite chatty, as tony saw that clearly...
after i introduced some prefix packing, but these were designed for the next
and next and so on prefix until the attribs match...
but after introducing addpath, i reverted to per prefix update as it was
before... you know, kiss principle...
and we're really a small team and hard to find a ccie sp/rs who writes c code
in java
i well know that this code smells but have you tried grepping for "_and_" in
the linux kernel?
thanks,
cs


On 8/29/22 08:53, mc36 wrote:
thanks no... they're still finding the funds...
and the time differences and finally i unsubbed from the idr list after some
days... i got too many digests...
i mostly follow rfcs or some select draft that i see useful for me like the
bgp-compress or the -ct...
thanks,
cs
ps: cc-ed the list...


On 8/29/22 06:02, Kaliraj Vairavakkalai wrote:
Ok, I will use then.

Btw, Jeff Haas just reminded us that there is an IDR interim meeting
tomorrow. Jeff is presenting his proposal on how to make CT and CAR interop.
:(

Just Fyi, in case you would like to attend, as silent observer.

https://datatracker.ietf.org/doc/agenda-interim-2022-idr-03-idr-01/
<https://datatracker.ietf.org/doc/agenda-interim-2022-idr-03-idr-01/>

You can try creating the datatracker-account, and join the Meetecho
meetinglink.

Also, IF they ask about status on second CT implementation, I will just
mention that we are working on it.

And details will come out shortly.

Is that OK?

Thanks,

Kaliraj

*From: *mc36 <>
*Date: *Saturday, August 27, 2022 at 12:56 PM
*To: *Kaliraj Vairavakkalai <>
*Cc: *Natrajan Venkataraman <>
*Subject: *Re: Address details for bgp-ct draft update

[External Email. Be cautious of content]


yess, that's my other personal domain so i have per role usernames under the @


On 8/27/22 21:02, Kaliraj Vairavakkalai wrote:
I think it should be your individual personal/office email address.
< <>> does not have your name in it. Is
it your individual
email?

OK, with nren address as ur office address, it will then be:

Csaba Mates
Hungarian NREN

35 V ci street, Budapest, 1134

Hungary
Email: < < <>>>

*<**author**fullname*=*"Csaba Mates"**initials*=*"CS"**surname*=*"Mates"**>*
*<**organization**abbrev*=*""**>*HungarianNREN*</**organization**>*

*<**address**>*
*<**postal**>*
*<**street**>*35 V ci street,*</**street**>*

*<**city**>*Budapest*</**city**>*

*<**region**></**region**>*

*<**code**>*1134*</**code**>*

*<**country**>*Hungary*</**country**>*
*</**postal**>*

*<**email**>* <>*</**email**
<>>*
*</**address**>*
*</**author**>*

Pls confirm.

Btw, I came across your presentation on bier implementation/interop report:
https://urldefense.com/v3/__https://datatracker.ietf.org/meeting/110/materials/slides-110-bier-01-bier-implementation-01__;!!NEt6yMaO-gk!FBGMKF1E1kYEkV1XqR1TruH6XzMb1D3cUBIMDv2QbkY-Rza_c7LVDgHAlZ_aaYfitNIVT2Vi$

<https://urldefense.com/v3/__https:/datatracker.ietf.org/meeting/110/materials/slides-110-bier-01-bier-implementation-01__;!!NEt6yMaO-gk!FBGMKF1E1kYEkV1XqR1TruH6XzMb1D3cUBIMDv2QbkY-Rza_c7LVDgHAlZ_aaYfitNIVT2Vi$>
<https://urldefense.com/v3/__https://datatracker.ietf.org/meeting/110/materials/slides-110-bier-01-bier-implementation-01__;!!NEt6yMaO-gk!FBGMKF1E1kYEkV1XqR1TruH6XzMb1D3cUBIMDv2QbkY-Rza_c7LVDgHAlZ_aaYfitNIVT2Vi$
> . This is good.

Perhaps your bgp-ct interop status-report presentation can use similar format
to this? It can be presented at both nanog and ietf. Remote/in-room
participation, both work. Just
thinking aloud.

Thanks

Kaliraj

*From: *mc36 <>
*Date: *Saturday, August 27, 2022 at 12:10 AM
*To: *Kaliraj Vairavakkalai <>
*Cc: *Natrajan Venkataraman <>
*Subject: *Re: Address details for bgp-ct draft update

[External Email. Be cautious of content]


ohhh, maybe the nren address would be better than my real home address:
https://urldefense.com/v3/__https://kifu.gov.hu/en/contact-2/__;!!NEt6yMaO-gk!C0zYcUNKQv6TWq4JC_WrrXHYxl9dmiQeQM5JACBCvaPAVwJ6aoYn0Cdew-OsWUvGYmZ0VgWo$
<https://urldefense.com/v3/__https:/kifu.gov.hu/en/contact-2/__;!!NEt6yMaO-gk!C0zYcUNKQv6TWq4JC_WrrXHYxl9dmiQeQM5JACBCvaPAVwJ6aoYn0Cdew-OsWUvGYmZ0VgWo$>
<https://urldefense.com/v3/__https:/kifu.gov.hu/en/contact-2/__;!!NEt6yMaO-gk!C0zYcUNKQv6TWq4JC_WrrXHYxl9dmiQeQM5JACBCvaPAVwJ6aoYn0Cdew-OsWUvGYmZ0VgWo$
<https://urldefense.com/v3/__https:/kifu.gov.hu/en/contact-2/__;!!NEt6yMaO-gk!C0zYcUNKQv6TWq4JC_WrrXHYxl9dmiQeQM5JACBCvaPAVwJ6aoYn0Cdew-OsWUvGYmZ0VgWo$>>

On 8/27/22 09:08, mc36 wrote:
> please use otherwise excellent and thank you so much!
>
> On 8/27/22 09:06, Kaliraj Vairavakkalai wrote:
>> Hi Csaba,
>>
>> Can you help filling up the below xml tags with appropriate
details, for updating in the ietf draft, in the Contributors section?
>>
>> Fyi: the IDR chairs have requested us to change the draft-name to
draft-ietf-idr-bgp-ct.txt, and reorganize the author list such that only two
editors are on the front
page, and
>> remaining authors are in the back of rfc, in Contributors section.
>>
>> We will be adding you in the draft s Contributor
section, when we make the above change.
>>
>> *<**author**fullname*=*"Csaba
Mates"**initials*=*"CS"**surname*=*"Mates"**>*
>> *<**organization**abbrev*=*""**>*HungarianNREN*</**organization**>*
>>
>> *<**address**>*
>> *<**postal**>*
>> *<**street**>*4OrmayUdvar,*</**street**>*
>>
>> *<**city**>*Budapest*</**city**>*
>>
>> *<**region**></**region**>*
>>
>> *<**code**>*h-1119*</**code**>*
>>
>> *<**country**>*Hungary*</**country**>*
>> *</**postal**>*
>>
>> *<**email**>**</**email**>*
>> *</**address**>*
>> *</**author**>*
>>
>> I tried filling in some details in the above xml tags from the info
I got from Tony.
>>
>> Please cross check, and correct as required. Especially the <code> and
<region>
>>
>> The above appears in the post-processed txt/html output as:
>>
>> Csaba Mates
>>
>> Hungarian NREN
>>
>> Budapest
>>
>> 4 Ormay Udvar,
>>
>> h-1119
>>
>> Hungary
>>
>> Email: < <
<>>>
>>
>> Thanks
>>
>> Kaliraj
>>
>>
>> Juniper Business Use Only
>>


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