Media and Communications
Engineer open and programmable mobile-core systems for private LTE and 5G networks, gateway integration, control and user planes, orchestration, observability, and OSS/BSS connectivity.
A private network requires integration across radio access, core functions, subscriber systems, policy, transport, enterprise applications, infrastructure, and operations. OPTIME engineers those network functions, packet paths, integrations, and lifecycle controls as one operable system.
Private LTE and 5G architecture
Control plane, user plane, and packet paths
Subscriber, policy, OSS/BSS, and enterprise integration
Open components with production lifecycle engineering
FROM PILOT TO OPERATION
A registration and data session can prove that radio and core components interoperate in a controlled path. Production operation must also manage subscriber identity, policy, transport, user-plane capacity, enterprise routing, observability, updates, failure, security boundaries, and support across the systems responsible for the network.
Open-source functions provide useful protocols and implementation foundations, but they still require systems engineering around configuration, packaging, performance, deployment, monitoring, upgrades, rollback, interoperability, and ownership. Cloud deployment patterns cannot be applied without understanding packet paths, latency, state, hardware, and the effect of failures on active sessions.
Private-network environments also vary. A factory, campus, venue, regional edge, and isolated site have different radio, transport, enterprise, resilience, and operating constraints. The architecture must begin with devices, applications, traffic, coverage, policy, latency, continuity, and the team that will run it.
The objective is an observable and maintainable network service-not only a successful laboratory attachment.
SYSTEM GAPS
Radio, control plane, user plane, subscriber, policy, charging, transport, identity, OSS/BSS, and enterprise applications may establish connectivity but still lack one operational and lifecycle boundary.
User-plane throughput and latency depend on packet size, traffic mix, routes, encapsulation, CPU topology, memory, queues, network interfaces, acceleration, and competing work-not only a nominal interface rate.
Container or orchestration choices can improve lifecycle control but do not remove session state, packet affinity, timing, persistent configuration, network attachment, or failure-domain requirements.
A network may depend on one project, vendor, hardware target, interface, or operator procedure without an explicit compatibility, update, rollback, and support plan.
THE COMPLETE SOLUTION
OPTIME designs and integrates access gateways, control-plane functions, user-plane functions, subscriber and identity services, policy, charging interfaces, transport, enterprise routes, edge applications, configuration, orchestration, infrastructure, security boundaries, and observability. Open-source, commercial, and custom components can coexist through approved interfaces.
The user-plane path is profiled on representative devices, traffic, sessions, packet sizes, routes, hardware, and failure conditions. Acceleration through kernel bypass, vector processing, hardware offload, or specialized platforms is introduced only where the capacity evidence justifies its lifecycle and operational complexity.
Deployment and updates are treated as network operations. Configuration provenance, compatibility, staged rollout, rollback, alarms, backups, registration, session continuity, and packet-path recovery must be understood before the system becomes an operational dependency.
ENGINEERING CAPABILITIES
Define the radio, access, core, subscriber, policy, transport, enterprise, edge, infrastructure, security, and operational boundary from the actual devices, applications, traffic, coverage, latency, resilience, and ownership requirements.
Integrate gateways and core functions across registration, authentication, session establishment, mobility, policy, tunnel, routing, and teardown. Protocol traces and state remain connected to the user-plane packet path and operational events.
Connect approved subscriber records, identity, credentials, policy, quotas, charging, inventory, provisioning, assurance, and customer or operational workflows. Authoritative systems and failure behavior remain explicit.
Connect radio access and core functions to IP transport, enterprise networks, internet access, private applications, edge workloads, DNS, security boundaries, and approved traffic paths. Routing and failure behavior are validated end to end.
Make function configuration, secrets, artifacts, infrastructure, deployment, health, upgrades, backup, and rollback repeatable. Bare metal, virtual machines, containers, or orchestration are selected from function state and operational requirements.
Profile throughput, latency, packet loss, CPU, memory, queues, interfaces, tunnels, routes, and session scale under representative traffic. Optimize software or add justified acceleration while preserving protocol and interoperability behavior.
Correlate registration, control-plane, user-plane, subscriber, policy, transport, infrastructure, and enterprise events. Network and administrative boundaries, failure domains, alarms, incident workflows, release controls, and runbooks support ongoing ownership.
Place user-plane functions, applications, media processing, and approved private-AI workloads regionally or at the edge when latency, bandwidth, sovereignty, or failure isolation requires it. Hybrid backup and overflow remain governed by explicit policy.
NETWORK ARCHITECTURE
Devices and radio systems establish coverage, attachment, mobility, traffic, and application demand.
IP and access paths connect radio systems to core functions, local services, regional infrastructure, and approved failure domains.
Registration, authentication, sessions, mobility, policy application, tunneling, forwarding, and teardown create the mobile service and packet path.
Authoritative records and operational workflows determine access, service, provisioning, policy, usage, and support state.
Approved destinations consume the connectivity and define latency, locality, security, availability, and routing requirements.
Controlled artifacts, configuration, infrastructure, upgrades, rollback, backup, and health processes manage network functions over time.
Cross-layer telemetry, capacity, failure domains, administrative boundaries, incident response, and ownership make the service operable.
PLATFORM DECISIONS
Approach A
Open components can provide code access, adaptability, and an implementation foundation.
Approach B
Commercial or custom components may provide required support, integration, lifecycle, or differentiated behavior.
Selection considerations
Evaluate protocol coverage, quality, roadmap, interfaces, support, licensing, ownership, customization, interoperability, and the team able to operate the result.
Approach A
Bare metal or focused virtual deployment can provide direct packet and hardware control with fewer platform layers.
Approach B
Containers and orchestration can improve repeatability, placement, health, and multi-function lifecycle management.
Selection considerations
Account for network interfaces, packet affinity, state, timing, failure domains, upgrade behavior, platform maturity, and operational complexity.
Approach A
Centralized functions simplify capacity pooling, configuration, and platform ownership.
Approach B
Distributed user-plane or service functions can reduce latency, transport, or failure scope and preserve local operation.
Selection considerations
Balance application locality, traffic, transport, session continuity, duplicated capacity, regional control, synchronization, and support.
Approach A
A well-profiled general-purpose software path may meet the required session and throughput envelope.
Approach B
Kernel bypass, vector processing, offload, or specialized hardware may increase capacity for justified packet workloads.
Selection considerations
Measure representative packets, routes, tunnels, CPU topology, latency, throughput, loss, portability, failure, and lifecycle before adding acceleration.
Approach A
A replacement can remove incompatible architecture when the whole boundary can be validated and migrated.
Approach B
Incremental change can preserve radio, subscriber, packet, enterprise, or operational systems while one function evolves.
Selection considerations
Use interface stability, interoperability, continuity, dual-operation, rollback, staff capability, and support risk to define the migration.
REPRESENTATIVE SCENARIOS
These scenarios describe representative engineering patterns, not named deployments.
ENGAGEMENT APPROACH
Phase 1
Review radio, devices, core, subscriber, policy, transport, enterprise, traffic, infrastructure, security, lifecycle, observability, support, and required outcomes.
Possible deliverables
Phase 2
Prove representative registration, policy, session, traffic, route, latency, throughput, and failure paths across the intended components and infrastructure.
Possible deliverables
Phase 3
Build or integrate approved functions, subscriber and policy services, enterprise paths, configuration, deployment, telemetry, and migration controls.
Possible deliverables
Phase 4
Exercise devices, traffic, session scale, overload, component loss, network failure, upgrades, rollback, monitoring, incident processes, and ownership transfer.
Possible deliverables
POSSIBLE DELIVERABLES
A defined access, control-plane, user-plane, subscriber, policy, transport, enterprise, infrastructure, security, and operating model.
Approved network functions and packet paths integrated across registration, sessions, mobility, policy, routing, and failure behavior.
Authoritative identity, provisioning, charging, assurance, operational, and application interfaces with explicit ownership.
Controlled configuration, artifacts, infrastructure, installation, upgrades, rollback, backup, health, and recovery processes.
Representative traces, measurements, limits, failure results, monitoring, acceptance criteria, and ownership documentation.
Final deliverables depend on the radio and core boundary, existing systems, workload, infrastructure, and operating team.
RELATED OPTIME
RELATED CASE STUDIES
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Austin, Texas
Distributed engineering teams across North America, Europe, the Caucasus, and Latin America.
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