.NET Legacy Modernization Services
Transform VB6, ASP.NET WebForms & WCF into .NET 10 Microservices
Zero-Downtime Strangler Pattern Modernization from VB6 & ASP.NET to .NET 10
Structured architectural snapshot optimized for enterprise review and generative search synthesis.
Transform VB6, ASP.NET WebForms & WCF into .NET 10 Microservices
Legacy systems are not just technical debt - they are competitive anchors. SHIVAM ITCS specializes in enterprise .NET modernization that migrates VB6, ASP.NET WebForms, WCF, and monolithic .NET Framework applications to cloud-native .NET 10 microservices without the downtime and disruption that kill traditional rewrite projects. Our approach follows the proven 7 R's framework, utilizing automated dependency discovery and the Strangler Pattern to incrementally replace legacy modules while keeping the system operational. With 20+ years of Microsoft stack expertise and co-founder Ajay Paliwal's deep architectural leadership, SHIVAM ITCS turns legacy liabilities into modern, maintainable, scalable assets.
Production Downtime: Zero • Throughput Speedup: 4.8x • Infrastructure Spend: -58% • Microsoft Stack Heritage: 20+ Yrs
Enterprise Production Grade / Cloud Native
Legacysystemsarenotjusttechnicaldebt-theyarecompetitiveanchors.SHIVAMITCSspecializesinenterprise.NETmodernizationthatmigratesVB6,ASP.NETWebForms,WCF,andmonolithic.NETFrameworkapplicationstocloud-native.NET10microserviceswithoutthedowntimeanddisruptionthatkilltraditionalrewriteprojects.Ourapproachfollowstheproven7R'sframework,utilizingautomateddependencydiscoveryandtheStranglerPatterntoincrementallyreplacelegacymoduleswhilekeepingthesystemoperational.With20+yearsofMicrosoftstackexpertiseandco-founderAjayPaliwal'sdeeparchitecturalleadership,SHIVAMITCSturnslegacyliabilitiesintomodern,maintainable,scalableassets.
Architectural Capabilities & Implementation Standards
The 7 R's of Modernization: Retire, Rehost, Replatform, Refactor, Rebuild
We do not default to risky rebuilds when refactoring or replatforming delivers 80% of enterprise value at 30% of risk.
Strangler Pattern Migration with Zero Production Downtime
Incrementally strangle legacy modules via API gateways and shadow routing, keeping core operations live without a single second of downtime.
AI-Assisted Code Transformation & Automated Dependency Mapping
Surface the 30-40% of hidden database links and undocumented rules using AI-assisted code parsing, generating parallel regression test suites.
Zero-Downtime .NET Cloud Modernization & Clean Architecture
Phased legacy migration patterns decomposing monolithic ASP.NET Framework applications into high-performance, modular .NET 9/10 microservices with zero downtime.
Vertical Slice & Clean Architecture Modular Monolith
Enterprise .NET ModernizationDomain-driven vertical slice design isolating features into self-contained operational slices, eliminating monolithic cross-coupling.
Live Technical Topology & Controls
Security & Regulatory Topology
Production-validated compliance architecture designed for high-concurrency regulated environments.
Core Architectural Safeguards (HIPAA & NABH (HealthTech))
Encrypted PostgreSQL tablespace & blob store with rotating KMS keys.
Every chart access and prescription modification logged with user ID & timestamp.
Strict segregation between doctors, nurses, billing, and lab staff.
Zero patient data sent to public cloud LLM APIs; runs on local Ollama/vLLM.
Guarantees PHI data protection, automated clinical access audits, and zero-leakage local AI processing for hospitals and telehealth platforms.
One Shared Ideology. Three Specialized Perspectives.
Legacy modernization is not just code translation - it requires deep-tech runtime mastery, disciplined 7 R's delivery methodologies, and battle-tested production proof. Cross-navigate between our technology blueprint, service engagement model, and enterprise ERP case study below.
.NET 10 & Strangler Topology
Deep CLR architecture, YARP reverse proxy gateways, C# 13 microservices, and AI-assisted dependency extraction.
7 R's Modernization Service
Methodical 4-phase transformation delivery pods with guaranteed zero downtime and automated regression testing.
Manufacturing ERP Deep-Dive
16-week production migration of a 3-million-line legacy .NET Framework 4.8 monolith without a single second of factory downtime.
No risky big-bang rewrites. We place YARP reverse proxy gateways in front of legacy monoliths and incrementally cut over microservices.
Retire, Retain, Rehost, Replatform, Refactor, Rearchitect, and Rebuild. We optimize for highest business ROI with lowest risk.
Dual-running synchronization and shadow traffic verify state consistency before switching live factory or financial transactions.
Led by co-founders Ajay & Vijay Paliwal with continuous hands-on mastery from VB6/COM to modern containerized .NET 10 on Linux.
.NET & Legacy Modernization - Whitepapers & Engineering Playbooks
Download field-tested migration guides, benchmark studies, and architecture blueprints.
Strangler Fig Modernization Playbook: .NET 9/10 to Cloud-Native
Zero-Downtime Migration of Monolithic ERPs & ASP.NET Legacy Systems
Field-tested step-by-step blueprint for decoupling legacy .NET Framework codebases into ASP.NET Core 9 microservices using event interception and dual-write synchronizers.
From Monolith to Multi-Agent: A CTO's .NET Modernization Guide
Semantic Kernel, MCP Protocols & Agentic AI for Legacy .NET Systems (38 Pages)
Step-by-step migration framework for transforming ASP.NET monoliths into AI-native platforms. Includes AI Readiness Scorecard, Strangler Fig implementation patterns, Semantic Kernel plugin architecture, MCP protocol integration, and real case studies from a 12-year-old healthcare monolith and a FinTech payment platform.
DotNet Legacy Modernization & Strangler Fig Blueprint
Production-Grade Migration Patterns for Enterprise .NET Systems
Downloadable PDF blueprint covering the Strangler Fig migration pattern, dual-write DB synchronization, event interception techniques, and zero-downtime deployment strategies for legacy .NET Framework to .NET Core 9/10 migrations.
Modernizing the Monolith
The Definitive Enterprise Guide to Breaking the Monolith in Production
Comprehensive enterprise-grade guide to decomposing monolithic architectures into microservices and cloud-native AI systems. Covers strangler fig, event sourcing, CQRS, saga patterns, and the specific challenges of modernizing healthcare, fintech, and logistics platforms.
Core Ecosystem Technologies
100% Type-Safe & BenchmarkedEnterprise Engineering Endorsements & Track Record
Real feedback from engineering leaders, CTOs, and founders across 15+ years of production deployments.
“Vijay and the SHIVAM ITCS AI team didn't just execute the project - they elevated our entire platform. Their ability to architect complex multi-agent state machines, eliminate latency bottlenecks, enforce zero-hallucination guardrails, and create an intelligent multi-LLM orchestration layer was extraordinary. The final delivery was resilient, battle-tested, and far beyond expectations. One of the strongest AI systems engineering teams in the industry.”
Architecture & Implementation FAQs
Frequently Asked Questions
Direct answers to architectural, technical, and operational questions.
Ready to Modernize Your Stack with .NET & Legacy Modernization?
Schedule a direct architecture review session with founders Vijay & Ajay Paliwal. We assess your bottlenecks, evaluate model tiering, and deliver a zero-downtime roadmap.