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SOFTWARE · DATACENTER · GAMES · AI
Carrier-Grade Telco & VoIP Stack

Telecommunications & Carrier Networks

Carrier-grade VoIP/SIP softswitches, SD-WAN orchestration, 5G core integrations, and resilient IoT connectivity networks.

Sofia EU R&D & Izmir Engineering Hub GDPR & ISO 27001 Compliance
Telecommunications & Carrier Networks
telecom-networks Tier-1 SLA
100 Gbps+ Core Backbone Capacity
99.999% Carrier Grade Availability
BGP Anycast Global Peering & Routing
< 5ms Regional Fiber Latency

SYSTEM ARCHITECTURE & ENGINEERING BLUEPRINT

High-Availability Distributed Architecture

XOUNOX Telecom architectures empower Internet Service Providers, telcos, and cloud enterprises across European optical transit corridors. Featuring streaming telemetry via NetFlow, IPFIX, and gNMI, our control plane reroutes traffic instantly around fiber degradation. Our SMPP v3.4 messaging core delivers carrier-grade throughput for multi-tenant 2FA and OTP verifications with sub-second transit times.

Microservice Mesh

Independently scaling container clusters, Kubernetes orchestration, and zero-downtime blue/green rollouts.

Zero-Trust Security

End-to-end mTLS encryption, granular RBAC access control, and ISO 27001 auditability.

XOUNOX Tier-1 System Topology

v4.8 · High-Throughput Node Mesh

Active Sync

Global Anycast Edge Layer

Cloudflare Enterprise & Local POPs (Sofia/Izmir)

<15ms

Envoy / Traefik API Gateway

Rate Limiting, WAF & OAuth2/JWT Mutual TLS

100k+ rps

Core Microservices (Go / Rust / Node)

gRPC Inter-service Bus & Event-driven Kafka

Multi-Tenant

Distributed Data & Memory Grid

PostgreSQL Active-Active / Redis Cluster / S3

99.999% ACID
All topologies are engineered with High Availability, automated geo-failover, and zero data loss (RPO=0) guarantees.

TECHNICAL PILLARS

6 Core Enterprise Engineering Modules

Modular, zero vendor-lock components tailored to the operational and compliance rigors of the industry.

01

Carrier-Grade Network Observability & NOC Automation

Comprehensive telemetry capturing sFlow, NetFlow, and SNMP streams across all core routers and optical switches with automated predictive anomaly alerts.

NetFlow sFlow SNMPv3 Prometheus NOC 24/7
02

High-Throughput SMPP SMS Gateway & OTP Engine

Carrier-connected SMPP v3.4 messaging platform processing 10,000+ SMS/sec for mission-critical OTPs, banking verifications, and enterprise notifications.

SMPP v3.4 SMS Gateway 2FA Engine Erlang Go
03

BGP Anycast Routing & IXP Peering Infrastructure

Strategic peering at Sofia IX, Izmir IX, and European exchanges, optimizing BGP paths for sub-5ms regional latency and automated failover.

BGP Anycast Sofia IX Izmir IX FRRouting
04

ISP Subscriber Management & AAA / RADIUS Billing

Scalable FreeRADIUS and billing platform managing FTTH, GPON, and wireless ISP subscribers with automated bandwidth throttling and invoicing.

FreeRADIUS AAA FTTH/GPON Bandwidth Shaping PostgreSQL
05

Layer 3/4 Carrier-Grade DDoS Scrubbing

Inline hardware scrubbing and BGP Flowspec integration filtering out volumetric SYN flood, UDP amplification, and reflection attacks exceeding 2 Tbps.

BGP Flowspec DDoS Scrubbing DPDK XDP/eBPF
06

SD-WAN & Secure Multi-Site MPLS Interconnect

Secure SD-WAN mesh topologies combining public fiber and private MPLS circuits with WireGuard encryption for seamless multi-branch enterprise networks.

SD-WAN WireGuard MPLS IPsec QoS

STANDARDS & SPECIFICATIONS

Technical Specifications & Performance Metrics

Guaranteed performance, security, and scalability benchmarks across production deployments.

Architectural Parameter
XOUNOX Architectural Benchmark
Switching Capacity
100 Gbps non-blocking carrier-grade fabric
SMS Throughput
10,000+ messages/sec sustained over direct SMPP connections
BGP Routing Table
Full internet routing table (> 950k routes) with sub-second failover
AAA Sessions
500,000+ active PPPoE/IPoE subscriber sessions supported
DDoS Scrubbing
Terabit-scale BGP Flowspec and automated scrubbing centers
Availability SLA
99.999% Five-Nines carrier infrastructure availability

GEO-STRATEGIC ADVANTAGE

Telecom Crossroad Power: Sofia & Izmir Corridors

The Sofia-Izmir transit axis serves as the primary digital bridge between Europe, the Middle East, and Asia. Our fiber interconnects provide carriers with the lowest optical latency and carrier diversity.

EU Legal Framework & Strict GDPR Protection

Complete IP protection governed by European law with direct EU legal entity agreements.

Direct GMT+2 / GMT+3 Timezone Synchronicity

Seamless working-hours alignment across London, Berlin, Paris, Izmir, and Dubai.

Up to 40% Cost Advantage at Tier-1 Engineering

Access senior engineering talent without the inflated overhead of Western European hubs.

Dual Engineering Headquarters

SOFYA / BG AB Merkezi

HQ & R&D Lab

European R&D hub, system blueprints, GDPR adherence, and EU fintech & media operations.

Sofia Silicon Valley Talent
İZMİR / TR Tech Hub

High-Load DevOps

High-concurrency development, distributed payment rails, and 24/7 technical operations.

24/7 SRE & Rapid Scale
Active Delivery Regions: Bulgaria · Turkey · Germany · UK · UAE · USA

EXECUTION LIFECYCLE

4-Stage End-to-End Engineering Workflow

Zero ambiguity, 2-week agile sprints, and continuous client test access.

01

Network Audit & Topology

Auditing current bandwidth capacity, BGP paths, and NetFlow traffic patterns.

02

Core Routing Setup

Deploying BGP Anycast, automated scrubbing, and carrier transit peering.

03

SMPP & AAA Deployment

Integrating high-speed SMPP gateways and FreeRADIUS subscriber billing.

04

Cutover & 24/7 NOC

Zero-packet-loss migration and 24/7 proactive Network Operations monitoring.

ENTERPRISE FAQ

Technical Inquiries, IP Rights & SLA

Detailed answers regarding source code ownership, offline capability, SLA commitments, and migration.

Enterprise Engineering Advisory

Ready to Engineer Your Tier-1 Industry Architecture?

Schedule a discovery session with our Lead Solution Architects. We deliver a detailed system roadmap, security audit, and cost breakdown within 48 hours.