VPX Routing Nodes
Sub-second, quality-weighted routing decisions designed to run across the VPX Network - eliminating static rate tables and routing by live performance data. In development; part of the VPX Protocol, mainnet planned Q4 2026.
What it
does
Routing Nodes are the planned intelligence layer for traffic decisions on the VPX Network. Each Routing Node is designed to maintain a continuously updated picture of route quality across the network - ASR, ACD, PDD, NER and MOS - and use it to make sub-second Least Cost Routing decisions that weight quality as a hard constraint before cost.
Unlike traditional LCR systems that work from static rate tables and scheduled quality audits, Routing Nodes receive quality data in real time from every connected carrier on the VPX Network. A route that degrades mid-call triggers an immediate quality score update, which the Routing Node applies to subsequent routing decisions within a single commit (~390ms). Quality can never lag reality by more than one commit.
Routing decisions are deterministic and verifiable on-chain. For any completed call, the routing path selected, the quality scores at decision time and the cost calculation are all recorded on VPX Protocol - providing an immutable audit trail that resolves disputes about routing decisions and enables transparent benchmarking between routes.
How the node operates
Quality Data Ingestion
Routing Nodes continuously receive quality event data - ASR, ACD, PDD, NER - from connected carriers and Analytics Nodes. Each quality event updates the node's local routing quality state.
Route Request
A routing request arrives: destination number (E.164), traffic class, quality requirements and budget constraint. The Routing Node selects candidate routes from its quality-enriched routing table.
Quality-Weighted LCR
Candidate routes are scored using quality-weighted LCR. Routes failing the quality threshold are eliminated regardless of cost. Among qualifying routes, lowest cost wins.
On-Chain Recording
The routing decision - route selected, quality scores at decision time, cost, timestamp - is submitted as a signed transaction to VPX Protocol for immutable recording.
Feedback Loop
Call completion results (answer, duration, post-dial delay, quality score) are submitted back to the network as quality events. Routing Nodes update their quality state for the used route.
Engineered for network scale
Live Quality Routing
Routing decisions based on live quality data updated every commit (~390ms). No stale rate tables. Routes that degrade affect routing decisions within one commit of the quality event.
Quality-Constrained LCR
Cost optimisation only activates within quality boundaries you define. ASR, ACD, PDD and NER thresholds are configurable per traffic class. Quality is a hard constraint, never a preference.
MNP-Aware Routing
Mobile Number Portability data is integrated into every routing decision. Eliminates off-net routing errors on ported numbers - the most common source of unexpected LCR cost overruns.
Multi-Dimensional Scoring
Five quality dimensions: ASR, ACD, PDD, NER and MOS. Each dimension is weighted per traffic class (voice, fax, CLI-sensitive). Weights are configurable on-chain via smart contract.
Immutable Routing Audit
Every routing decision recorded on-chain with quality scores at decision time, route selected and cost calculation. Resolves disputes transparently. Enables benchmarking across routes.
Congestion Management
Routing Nodes detect congestion on individual routes from real-time CDR latency data and automatically steer traffic away from congested paths before call quality degrades.
Under the hood
Routing intelligence as an API
Routing Node decisions, quality data and on-chain routing records are all accessible via REST API. Integrate real-time quality-weighted routing into any existing switch or routing engine.
Who participates in these nodes
Wholesale Carrier
Replace your static LCR system with quality-weighted routing from Routing Nodes. Route decisions based on live network data, with every decision recorded on-chain for dispute resolution.
Routing Node Operator
Operate Routing Nodes and earn rewards from routing fee redistribution. Nodes with higher accuracy in quality scoring earn bonus rewards. Geographic diversity of operators earns additional network incentives.
Platform Builder
Integrate VPX Routing Node output via API to power quality-weighted routing in your own communications platform - without building or maintaining routing infrastructure yourself.
Ready to participate in Routing Nodes?
Our VPX team typically responds within 48 business hours. Full whitepaper available for registered participants.