Subnet Management - lspz2 (Application)

Proposal #135016 — Zack | CodeGov

Vote: Adopted
Reason:
The proposal replaces healthy Active status node lmn5j from the RG1 DC in Latvia under Node Operator jptla of NP MB Patrankos šūvis, with unassigned healthy Awaiting status node x6ufc from India, without any chnge to decentralization.
Motivation is to allow optimization of the overall network topology, thus allowing the node to be assigned to a subnet where it would improve the decentralization in the future.

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1 Like

A new proposal with ID 135433 has been submitted, please take a look.

Click here to open proposal details

Replace a node in subnet lspz2

Motivation:

  • replacing dead node 5qhvh

Calculated potential impact on subnet decentralization if replacing:

  • 1 additional node would result in: equal decentralization across all features

Based on the calculated potential impact, not replacing additional nodes to improve optimization.

Note: the information below is provided for your convenience. Please independently verify the decentralization changes rather than relying solely on this summary.
Here is an explaination of how decentralization is currently calculated,
and there are also instructions for performing what-if analysis if you are wondering if another node would have improved decentralization more.

Decentralization Nakamoto coefficient changes for subnet lspz2-jx4pu-k3e7p-znm7j-q4yum-ork6e-6w4q6-pijwq-znehu-4jabe-kqe:

    node_provider: 5.00 -> 5.00    (+0%)
      data_center: 5.00 -> 5.00    (+0%)
data_center_owner: 5.00 -> 5.00    (+0%)
             area: 5.00 -> 5.00    (+0%)
          country: 5.00 -> 5.00    (+0%)

Mean Nakamoto comparison: 5.00 → 5.00 (+0%)

Overall replacement impact: equal decentralization across all features

Details

Nodes removed:

  • 5qhvh-py5qg-njv7o-gpn5z-ris3p-retqc-lk4xx-xee2c-2syd6-7dk2i-4ae [health: dead]

Nodes added:

  • lxebw-azsxd-nejr3-ye7ii-vdyjv-kppip-trprn-pdn7o-daluo-5sqtw-eae [health: healthy]
    node_provider                                                              data_center            data_center_owner              area                        country   
    -------------                                                              -----------            -----------------              ----                        -------   
    4dibr-2alzr-h6kva-bvwn2-yqgsl-o577t-od46o-v275p-a2zov-tcw4f-eae       1    aw1          1 -> 0    Africa Data Centres       1    Brussels Capital       1    BE       1
    4r6qy-tljxg-slziw-zoteo-pboxh-vlctz-hkv2d-7zior-u3pxm-mmuxb-cae       1    br2               1    AtlasEdge                 1    Cape Town              1    CA       1
    6nbcy-kprg6-ax3db-kh3cz-7jllk-oceyh-jznhs-riguq-fvk6z-6tsds-rqe       1    ct1               1    Cyxtera                   1    Geneva                 1    CH       1
    7a4u2-gevsy-5c5fs-hsgri-n2kdz-dxxwf-btcfp-jykro-l4y7c-7xky2-aqe  1 -> 0    dl1          0 -> 1    Digital Realty            1    Hesse                  1    DE       1
    7at4h-nhtvt-a4s55-jigss-wr2ha-ysxkn-e6w7x-7ggnm-qd3d5-ry66r-cae       1    fr2               1    Equinix                   1    HongKong               1    HK       1
    7ryes-jnj73-bsyu4-lo6h7-lbxk5-x4ien-lylws-5qwzl-hxd5f-xjh3w-mqe       1    ge1               1    Flexential           0 -> 1    Ljubljana              1    IN       1
    7uioy-xitfw-yqcko-5gpya-3lpsw-dw7zt-dyyyf-wfqif-jvi76-fdbkg-cqe       1    hk1               1    HighDC                    1    New Delhi              1    KR       1
    bvcsg-3od6r-jnydw-eysln-aql7w-td5zn-ay5m6-sibd2-jzojt-anwag-mqe       1    lj1               1    LIM DC                    1    Ontario                1    PL       1
    eipr5-izbom-neyqh-s3ec2-52eww-cyfpg-qfomg-3dpwj-4pffh-34xcu-7qe  0 -> 1    nd1               1    Marvelous Web3 DC         1    Pennsylvania      1 -> 0    SE       1
    optdi-nwa4m-hly3k-6ua4n-sqyxf-yahvb-wps77-ddayn-r7zcz-edla5-7qe       1    sg2               1    Megazone Cloud            1    Seoul                  1    SG       1
    r3yjn-kthmg-pfgmb-2fngg-5c7d7-t6kqg-wi37r-j7gy6-iee64-kjdja-jae       1    sh1               1    Posita.si                 1    Singapore              1    SI       1
    rbn2y-6vfsb-gv35j-4cyvy-pzbdu-e5aum-jzjg6-5b4n5-vuguf-ycubq-zae       1    sl1               1    Telin                     1    Stockholm              1    US       1
    wdjjk-blh44-lxm74-ojj43-rvgf4-j5rie-nm6xs-xvnuv-j3ptn-25t4v-6ae       1    to2               1    Tierpoint            1 -> 0    Texas             0 -> 1    ZA       1
    wdnqm-clqti-im5yf-iapio-avjom-kyppl-xuiza-oaz6z-smmts-52wyg-5ae       1    wa1               1    Unicom                    1    Warszawa               1              

Proposal 135433 | Tim - CodeGov

Vote: Adopt

This proposal replaces 1 node in subnet lspz2, appearing in the decentralization tool as “DOWN”. As shown in the proposal, decentralisation parameters are unchanged and remain within the requirements of the target topology.

About CodeGov

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Proposal 135433 Review | Lorimer - CO.DELTA △

VOTE: YES

TLDR: One offline node replaced with an unassigned node. IC Target Topology metrics remain unchanged, but the average distance between nodes increases slightly.

Country Discrepancies (2)

There a relatively large country discrepancy (in terms of distance). Given that ipinfo.io uses a probe network for geolocation, I’m surprised to see such a large discrepancy. Something to revisit (given that the node in question isn’t directly affected by this proposal).

Node Data Center Claimed Country According to ipinfo.io
jxgxw Brussels 2 Belgium United Kingdom of Great Britain and Northern Ireland (the)
jyjmn Toronto 2 Canada United States of America (the)
Decentralisation Stats

Subnet node distance stats (distance between any 2 nodes in the subnet) →

Smallest Distance Average Distance Largest Distance
EXISTING 316.333 km 6951.617 km 15368.546 km
PROPOSED 316.333 km 7158.018 km (+3%) 15664.401 km (+1.9%)

This proposal slightly increases decentralisation, considered purely in terms of geographic distance (and therefore there’s a slight theoretical increase in localised disaster resilience). :+1:

Subnet characteristic counts →

Continents Countries Data Centers Owners Node Providers Node Operator
EXISTING 4 13 13 13 13 13
PROPOSED 4 13 13 13 13 13

Largest number of nodes with the same characteristic (e.g. continent, country, data center, etc.) →

Continent Country Data Center Owner Node Provider Node Operator
EXISTING 6 1 1 1 1 1
PROPOSED 6 1 1 1 1 1

See here for acceptable limits → Motion 132136

The above subnet information is illustrated below, followed by a node reference table:

Map Description
  • Red marker represents a removed node (transparent center for overlap visibility)

  • Green marker represents an added node

  • Blue marker represents an unchanged node

  • Highlighted patches represent the country the above nodes sit within (red if the country is removed, green if added, otherwise grey)

  • Light grey markers with yellow borders are examples of unassigned nodes that would be viable candidates for joining the subnet according to formal decentralisation coefficients (so this proposal can be viewed in the context of alternative solutions that are not being used)

  • Black dotted line connects to a small black marker that shows where the IP address indicates the node is located (according to ipinfo.io). This is only displayed if it conflicts with where IC records indicate the node is located. See Country Discrepancies section above for more info.

Node Changes
Action Node Status Continent Country Data Center Owner Node Provider Node Operator
Remove 5qhvh DOWN :bar_chart: North America United States of America (the) Allentown (aw1) Tierpoint Bigger Capital codio
Add lxebw UNASSIGNED :bar_chart: North America United States of America (the) Dallas (dl1) Flexential 87m Neuron, LLC mw64v
Other Nodes
Node Status Continent Country Data Center Owner Node Provider Node Operator
jxgxw UP :bar_chart: Europe Belgium Brussels 2 (br2) AtlasEdge Allusion oorkg
jyjmn UP :bar_chart: North America Canada Toronto 2 (to2) Cyxtera Blockchain Development Labs 4lp6i
nf5ha UP :bar_chart: Europe Switzerland Geneva (ge1) HighDC Archery Blockchain SCSp yngfj
bwicx UP :bar_chart: Europe Germany Frankfurt 2 (fr2) Equinix Virtual Hive Ltd 3nu7r
uj5bp UP :bar_chart: Asia Hong Kong HongKong 1 (hk1) Unicom Pindar Technology Limited vzsx4
x6ufc UP :bar_chart: Asia India New Delhi 1 (nd1) Marvelous Web3 DC Marvelous Web3 ri4lg
itcju UP :bar_chart: Asia Korea (the Republic of) Seoul 1 (sl1) Megazone Cloud Neptune Partners ukji3
gd36t UP :bar_chart: Europe Poland Warszawa 1 (wa1) LIM DC Maksym Ishchenko npluh
ywict UP :bar_chart: Europe Sweden Stockholm 1 (sh1) Digital Realty DFINITY Stiftung lgp6d
dapyz UP :bar_chart: Asia Singapore Singapore 2 (sg2) Telin OneSixtyTwo Digital Capital qffmn
np4ih UP :bar_chart: Europe Slovenia Ljubljana (lj1) Posita.si Fractal Labs AG gl27f
g5zt4 UP :bar_chart: Africa South Africa Cape Town 1 (ct1) Africa Data Centres Illusions In Art (Pty) Ltd 2aemz


You may wish to follow the CO.DELTA known neuron (coming soon) if you found this analysis helpful.

CO.DELTA △

We’re a verifiably decentralised collective who review IC deltas (changes applied by NNS proposals). We follow a common code:

  • Look: We observe the details and context of NNS proposals
  • Test: We test and verify the claims made by those proposals
  • Automate: We automate as much as possible by building increasingly sophisticated tools that streamline and strengthen the reviewal process.

Every vote cast by CO.DELTA is the result of consensus among diligent, skilled and experienced team members acting independently. The CO.DELTA neuron follows the vote of D-QUORUM on NNS topics that the CO.DELTA team does not handle directly. You can therefore follow CO.DELTA on all topics and rely on the highest quality of vote.


Note that this analysis involved data provided by the IC-API, which is not open source. I’m in the process of switching over to more verifiable sources of this sort of information for future proposal reviews. See here for related discussion.

1 Like

Proposal 135433 Review | aligatorr - CO.DELTA △

VOTE: YES

TLDR: Replaces unhealthy node.

  • Proposed topology Nakamoto Coefficient stayed the same as on current topology.
Node Changes 1 removed, 1 added
Node ID Status Country City Node Provider Data Center Data Center Owner
5qhvh-py5qg-njv7o-gpn5z-ris3p-retqc-lk4xx-xee2c-2syd6-7dk2i-4aelxebw-azsxd-nejr3-ye7ii-vdyjv-kppip-trprn-pdn7o-daluo-5sqtw-eae DOWN → UNASSIGNED USUS PennsylvaniaTexas Bigger Capital87m Neuron, LLC aw1dl1 TierpointFlexential
Current Nakamoto Coefficients and Topology, avg = 5.00
Attribute Nakamoto Coefficient Identical attribute values Max allowed identical values Unique Counts
Country 5 1 2 13
City 5 1 1 13
Data Center 5 1 1 13
Data Center Owner 5 1 1 13
Node Provider ID 5 1 1 13
Proposed Nakamoto Coefficients and Topology, avg = 5.00
Attribute Nakamoto Coefficient Identical attribute values Max allowed identical values Unique Counts
Country 5 1 2 13
City 5 1 1 13
Data Center 5 1 1 13
Data Center Owner 5 1 1 13
Node Provider ID 5 1 1 13

You may wish to follow the CO.DELTA known neuron if you found this analysis helpful.

CO.DELTA

We’re a verifiably decentralised collective who review IC deltas (changes applied by NNS proposals). We follow a common code:

  • Look: We observe the details and context of NNS proposals.
  • Test: We test and verify the claims made by those proposals.
  • Automate: We automate as much as possible by building increasingly sophisticated tools that streamline and strengthen the reviewal process.

Every vote cast by CO.DELTA is the result of consensus among diligent, skilled and experienced team members acting independently. The CO.DELTA neuron follows the vote of D-QUORUM on NNS topics that the CO.DELTA team does not handle directly. You can therefore follow CO.DELTA on all topics and rely on the highest quality of vote.

1 Like

Proposal 135433 Review | Malith H - CO.DELTA △

VOTE: YES :white_check_mark:

TLDR:
The proposal replaces offline nodes in Allentown (North America). The decentralization stats remain the same.

:warning: Warning

The last few proposals that address the outage of DC is offloading all nodes to one Node provider. @DRE-Team Is there a way we can address this issue in the future to offload nodes into multiple Node providers. I will vote to Adopt to recover this issue in hopes that this feature will be addressed.

Provider Changes
Removed Added
Bigger Capital 87m Neuron, LLC
Location Changes
Removed Added
North America, Allentown North America, Dallas
Nodes Removed 1
Node ID Status Provider Data Center Location
5qhvh… DOWN Bigger Capital aw1 Allentown
Nodes Added 1
Node ID Status Provider Data Center Location
lxebw… UNASSIGNED 87m Neuron, LLC dl1 Dallas

:white_check_mark: Passes:

:white_check_mark: Node 5qhvh…: Health check passed.

:white_check_mark: Node 5qhvh…: Remove from Subnet check passed.

:white_check_mark: Node lxebw…: Replacement Status check passed.

You may wish to follow the CO.DELTA known neuron if you found this analysis helpful.

CO.DELTA

We’re a verifiably decentralised collective who review IC deltas (changes applied by NNS proposals). We follow a common code:

  • Look: We observe the details and context of NNS proposals
  • Test: We test and verify the claims made by those proposals
  • Automate: We automate as much as possible by building increasingly sophisticated tools that streamline and strengthen the reviewal process.

Every vote cast by CO.DELTA is the result of consensus among diligent, skilled and experienced team members acting independently. The CO.DELTA neuron follows the vote of D-QUORUM on NNS topics that the CO.DELTA team does not handle directly. You can therefore follow CO.DELTA on all topics and rely on the highest quality of vote.

1 Like

Proposal #135433 — Zack | CodeGov

Vote: Adopted
Reason:
The proposal replaces dead Offline status node 5qhvh from the AW1 DC in Pennsylvania, with unassigned healthy Awaiting status node lxebw from Dallas without any change to decentralization.

About CodeGov

CodeGov has a team of developers who review and vote independently on the following proposal topics: IC-OS Version Election, Protocol Canister Management, Subnet Management, Node Admin, and Participant Management. The CodeGov NNS known neuron is configured to follow our reviewers on these technical topics. We also have a group of Followees who vote independently on the Governance and the SNS & Neuron’s Fund topics. We strive to be a credible and reliable Followee option that votes on every proposal and every proposal topic in the NNS. We also support decentralization of SNS projects such as WaterNeuron, KongSwap, and Alice with a known neuron and credible Followees.

Learn more about CodeGov and its mission at codegov.org.

Proposal 135433 – LaCosta | CodeGov

Vote: ADOPT

The proposal replaces a dead nodes on subnet lspz2:
dead node 5qhvh Dashboard Status: Offline with node lxebw Dashboard Status: Awaiting

There is no impact in the overall decentralization across all features.

About CodeGov

CodeGov has a team of developers who review and vote independently on the following proposal topics: IC-OS Version Election, Protocol Canister Management, Subnet Management, Node Admin, and Participant Management. The CodeGov NNS known neuron is configured to follow our reviewers on these technical topics. We also have a group of Followees who vote independently on the Governance and the SNS & Neuron’s Fund topics. We strive to be a credible and reliable Followee option that votes on every proposal and every proposal topic in the NNS. We also support decentralization of SNS projects such as WaterNeuron, KongSwap, and Alice with a known neuron and credible Followees.

Learn more about CodeGov and its mission at codegov.org.