DBRaven

Architecture Structural Diff

Compare two scenarios node-by-node. See exactly which components, failure modes, and connections are shared, removed (−), or added (+) when switching from the left scenario to the right.

Select Scenarios to Diff

left, removals (−)

right, removals (−)

Notification Delivery PlatformEvent-Driven Analytics Pipeline
20 removed+4 added2 unchanged

Components

17

Notification Delivery Platform

5

Event-Driven Analytics Pipeline

2 shared15+3

Failure Modes

5

Notification Delivery Platform

1

Event-Driven Analytics Pipeline

0 shared5+1

Connections

0

Notification Delivery Platform

0

Event-Driven Analytics Pipeline

0 shared

Components

2 shared15 left only+3 right only
=
Apache Kafkaevent stream
async processing
=
PostgreSQLprimary datastore
data management
Event Streamingworkload
workload
Write-Heavy Transactionalworkload
workload
RabbitMQevent stream
async processing
Rediscache
acceleration
Transactional Outbox Patternarchitecture pattern
application logic
Competing Consumersarchitecture pattern
application logic
Rate Limitingarchitecture pattern
application logic
Retry with Exponential Backoffarchitecture pattern
application logic
Circuit Breakerarchitecture pattern
application logic
Inbox Pattern (Idempotent Consumer)architecture pattern
application logic
Queue Backlog Accumulationoperational risk
operational risk
Rate Limit Cascadeoperational risk
operational risk
Fanout Amplificationoperational risk
operational risk
Slow Consumeroperational risk
operational risk
Partial Service Failureoperational risk
operational risk
+
High-Throughput OLTPworkload
workload
+
Change Data Capture via WALarchitecture pattern
application logic
+
Replication Lag Cascadeoperational risk
operational risk

Failure Modes

5 left only+1 right only
Queue Backlog Accumulation2 nodes affected
highhigh
Rate Limit Cascade0 nodes affected
highhigh
Fanout Amplification0 nodes affected
moderate
Slow Consumer0 nodes affected
moderate
Partial Service Failure0 nodes affected
moderate
+
Replication Lag Cascade0 nodes affected
moderate

Connections

Six-Dimension Assessment

Structural comparison across complexity, risk, scalability, maturity, observability, and generator readiness.

moderate complexity, 17 nodes, 0 edges, 5 risks, 1 simulation seeds

Complexity

Event-Driven →

high complexity, 5 nodes, 0 edges, 1 risks, 0 simulation seeds

5 risks (top: high), 2 high/critical, 0 confirmed by simulation

Operational Risk

Event-Driven →

1 risks (top: moderate), 0 high/critical, 0 confirmed by simulation

4 scaling thresholds, 3 migration paths, 4 advisor scaling signals

Scalability

← Notification

3 scaling thresholds, 2 migration paths, 3 advisor scaling signals

Advisor assessment: Advanced; recommended team: Experienced Backend Team; 12 operational requirements

Operational Maturity

tie

Advisor assessment: Advanced; recommended team: Experienced Backend Team; 5 operational requirements

4 watched metrics, 3 observability recommendations, 1 simulation seeds

Observability

Event-Driven →

0 watched metrics, 0 observability recommendations, 0 simulation seeds

generator relevance documented; topology generation relevance noted; simulation relevance noted; 1 seeds with generator notes

Generator Readiness

← Notification

generator relevance documented; topology generation relevance noted; simulation relevance noted