Corebuffer
Systems Engineering Lab From Bare Metal to Edge

Re-architecting the Foundational Fabric of Modern Computing.

Corebuffer is a systems engineering laboratory dedicated to solving the deep structural bottlenecks of modern computing—unifying bare-metal kernels, ubiquitous wireless, network fabric virtualization, fault-tolerant distributed consensus, edge routing, and real-time determinism.

Bare-metal Ubiquitous Fabric Fault-tolerant Edge Real-time
THE ARCHITECTURAL SPECTRUM INTERCONNECTED

B·U·F·F·E·R: six disciplines operating as a single unified systems engine.

Applied Systems in Action: Our systems engineering in wireless handover and low-latency packet routing powers CoreSec VPN—achieving seamless mobile roaming across Wi-Fi and 5G networks without connection drops.
Unbroken Mobile Roaming Available on Android & iOS Desktop Early Access

CoreSec VPN

Unbroken Mobile Roaming • Zero-Knowledge Keys • Sub-Millisecond Forwarding

Engineered by Corebuffer, CoreSec VPN eliminates the biggest pain point of mobile encryption: connection drops when moving between Wi-Fi and 5G cellular networks.

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Unbroken Roaming: Seamless Wi-Fi to 5G handovers with zero renegotiation pauses.
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Sovereign Privacy: Device private keys are generated locally and never uploaded.
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Native Efficiency: Built on native OS network extensions for zero battery waste.
Discover CoreSec VPN & Downloads Available on Android & iOS • Desktop editions for Linux, macOS, and Windows in Early Access
Live Mobile Tunnel
Connected
Wi-Fi ↔ 5G Active Roam
Protocol: Noise_IK / ChaCha20
Key Custody: On-Device Only
Roaming Drops: 0 (Zero Re-handshake)
Test Live Simulator →

Our Core Engineering Offerings

Corebuffer delivers foundational infrastructure, software frameworks, and systems solutions across six core disciplines: B·U·F·F·E·R.

B
Host & Hardware Plane

Bare-Metal Kernel Architecture

Custom high-throughput OS runtime environments, deterministic process scheduling engines, and bare-metal kernel-bypass I/O frameworks that eliminate operating system context-switching overhead and hardware interrupt jitter.

Deterministic OS Runtimes Zero-Copy Memory Pipelines Interrupt Mitigation Custom Hardware Abstractions
U
Radio & Multi-Carrier Systems

Ubiquitous Wireless & Physical Layer

Unbroken multi-carrier roaming protocols, seamless cellular (5G/LTE) to Wi-Fi handover engines, and adaptive physical-to-link layer stacks that maintain uninterrupted, zero-drop data streams across volatile RF spectrums.

Unbroken Multi-Carrier Roaming Cellular ↔ Wi-Fi Zero-Drop Handover Dynamic Spectrum Adaptation Resilient Frame Sync
F
Software-Defined Overlays

Fabric & Network Virtualization

Software-defined overlay fabrics, high-density virtual switches, and zero-overhead network namespace isolation that allow enterprise and cloud workloads to reconfigure network topologies dynamically without physical hardware constraints.

Dynamic Overlay Fabrics Micro-Segmented Namespaces High-Speed Virtual Switching MSS & MTU Optimization
F
Fault-Tolerant Consensus & State

Fault-Tolerant Distributed Systems

Formally verified consensus engines, partition-tolerant state-machine replication frameworks, and decentralized autonomous node clusters that guarantee continuous data integrity even during total cloud network partitions.

High-Throughput Consensus Partition-Tolerant Replication Autonomous Node Sync Zero-Trust Verification
E
Boundary Routing & Global Transit

Edge & Gateway Routing

Wire-speed boundary routing gateways, carrier-grade network address translation (NAT) engines, and intelligent multi-protocol BGP transit steering platforms that optimize global traffic distribution at the edge of the internet.

AS Border Gateways Carrier-Grade Wire-Speed NAT BGP Transit Steering Anycast Traffic Acceleration
R
Deterministic Real-Time Computing

Real-Time & Low-Latency Systems

Sub-microsecond deterministic execution engines, lock-free synchronization primitives, and PREEMPT_RT-optimized system runtimes designed for mission-critical robotics, financial infrastructure, and real-time edge computing.

Sub-Microsecond Execution Lock-Free Data Structures Bounded Jitter Scheduling Real-Time Pipeline Toolkits

Why We Re-engineer From the Foundation

Modern technology stacks have accumulated decades of abstraction layers that compromise performance, reliability, and security.

01 / EFFICIENCY

Eliminating Abstraction Debt

Every layer of software abstraction adds memory copies, context switches, and unpredictable scheduling jitter. We design systems that communicate directly with underlying physical hardware and memory planes, unlocking true wire-speed throughput.

02 / RESILIENCE

Engineering for Network Volatility

Real-world wireless signals and distributed networks are fundamentally unstable. Rather than treating disconnections as unexpected anomalies, we build protocols that maintain continuous session state even as physical radio frequencies shift.

03 / SOVEREIGNTY

Zero-Knowledge Trust Architecture

Security that requires trusting an intermediary or cloud vendor is inherently fragile. Our systems are mathematically verified: cryptographic secrets are created and held strictly on client hardware, ensuring true sovereignty.

Product Ecosystem

High-performance sovereign networking across mobile devices and desktop operating systems.

CoreSec VPN (Android & iOS)

Available

High-speed encrypted tunnel with unbroken mobile roaming across Wi-Fi and 5G networks, and zero-knowledge key custody.

View Mobile Product →

CoreSec VPN Desktop

Coming Soon

Native client and daemon editions for Linux (CLI daemon), macOS (menu bar companion), and Windows (Wintun service).

Platform Details →