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Separate redundancy notes from infrastructure flows

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interlope committed 2026-11-01 19:55:34 +01:00
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commit dd0a2e3f68
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load-balancing-my-homelab/diagrams/README.md
+13 -3
View File
@@ -96,8 +96,17 @@ flowchart TB
PROM -. "HTTPS /_edge/metrics" .-> HA
PROM -. "HTTPS /_edge/metrics" .-> HB
LIMITS["Failure boundaries<br/>Cloudflare bypasses an unavailable public edge<br/>HAProxy bypasses a failed per-service path when its peer is healthy<br/>a failed shared origin is still unavailable<br/>open video streams and WebSockets must reconnect"]
ORIGINS -.-> LIMITS
subgraph BOUNDARIES["Failure handling and limits - explanatory notes"]
direction LR
LIMIT_EDGE["Public edge unavailable<br/>Cloudflare selects a healthy edge for new connections"]
LIMIT_PATH["One service path unavailable<br/>HAProxy uses the peer when its path is healthy"]
LIMIT_ORIGIN["Shared origin unavailable<br/>Both edges lose that application<br/>edge redundancy does not replicate origins"]
LIMIT_STREAM["Open video streams and WebSockets<br/>Existing connections do not migrate<br/>clients must reconnect"]
LIMIT_EDGE ~~~ LIMIT_PATH ~~~ LIMIT_ORIGIN ~~~ LIMIT_STREAM
end
%% Invisible positioning only: this is not a data-flow connection.
ORIGINS ~~~ BOUNDARIES
classDef public fill:#233d58,stroke:#7ab5dc,color:#f2f6ff
classDef edge fill:#284c44,stroke:#7bc8a7,color:#f2f6ff
@@ -110,5 +119,6 @@ flowchart TB
class VPS,ROUTER,FW,NPM,APPS origin
class GIT,PLAN,DEPLOY,SECRETS,HS,CERT,CFAPI ops
class PROM,GRAF,ALERT monitor
class LIMITS note
class LIMIT_EDGE,LIMIT_PATH,LIMIT_ORIGIN,LIMIT_STREAM note
style BOUNDARIES fill:#291f2a,stroke:#dd9ba7,color:#fff5f6
```
load-balancing-my-homelab/diagrams/infrastructure.mmd
+13 -3
View File
@@ -91,8 +91,17 @@ flowchart TB
PROM -. "HTTPS /_edge/metrics" .-> HA
PROM -. "HTTPS /_edge/metrics" .-> HB
LIMITS["Failure boundaries<br/>Cloudflare bypasses an unavailable public edge<br/>HAProxy bypasses a failed per-service path when its peer is healthy<br/>a failed shared origin is still unavailable<br/>open video streams and WebSockets must reconnect"]
ORIGINS -.-> LIMITS
subgraph BOUNDARIES["Failure handling and limits - explanatory notes"]
direction LR
LIMIT_EDGE["Public edge unavailable<br/>Cloudflare selects a healthy edge for new connections"]
LIMIT_PATH["One service path unavailable<br/>HAProxy uses the peer when its path is healthy"]
LIMIT_ORIGIN["Shared origin unavailable<br/>Both edges lose that application<br/>edge redundancy does not replicate origins"]
LIMIT_STREAM["Open video streams and WebSockets<br/>Existing connections do not migrate<br/>clients must reconnect"]
LIMIT_EDGE ~~~ LIMIT_PATH ~~~ LIMIT_ORIGIN ~~~ LIMIT_STREAM
end
%% Invisible positioning only: this is not a data-flow connection.
ORIGINS ~~~ BOUNDARIES
classDef public fill:#233d58,stroke:#7ab5dc,color:#f2f6ff
classDef edge fill:#284c44,stroke:#7bc8a7,color:#f2f6ff
@@ -105,4 +114,5 @@ flowchart TB
class VPS,ROUTER,FW,NPM,APPS origin
class GIT,PLAN,DEPLOY,SECRETS,HS,CERT,CFAPI ops
class PROM,GRAF,ALERT monitor
class LIMITS note
class LIMIT_EDGE,LIMIT_PATH,LIMIT_ORIGIN,LIMIT_STREAM note
style BOUNDARIES fill:#291f2a,stroke:#dd9ba7,color:#fff5f6