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1.7 Business Requirements

Document Information

Item Details
Document Version 1.0
Last Updated December 2025
Author Network Architecture Team
Organization Abhavtech.com
Classification Internal Use Only

1.7.1 Overview

This section documents the business requirements driving the SD-WAN migration initiative at Abhavtech.com. These requirements establish the business context for technical decisions and define the success criteria from a business perspective.

Business Drivers

  • Cost optimization (WAN expense reduction)
  • Cloud-first strategy enablement
  • Business agility and speed to market
  • Enhanced user experience
  • Digital transformation support
  • Competitive advantage through network modernization

1.7.2 Cost Optimization Requirements

WAN Cost Reduction Targets

Category Current Annual Cost Target Reduction Target Annual Cost
MPLS Circuits $XXX,XXX 80% $XXX,XXX
Internet Circuits $XXX,XXX 0% (upgrade) $XXX,XXX
Cellular Backup $X,XXX 0% (expand) $XX,XXX
Hardware Maintenance $XX,XXX 40% $XX,XXX
Total WAN OpEx $X,XXX,XXX 56% $XXX,XXX

Cost Savings Breakdown

                    PROJECTED ANNUAL SAVINGS
    ═══════════════════════════════════════════════════════════════

    CURRENT STATE (Annual):
    ┌─────────────────────────────────────────────────────────────┐
    │  MPLS Circuits         $XXX,XXX  ██████████████████████ 79% │
    │  Internet Circuits     $XXX,XXX  ████ 13%                   │
    │  Cellular Backup         $X,XXX  ▌ <1%                      │
    │  Hardware Maintenance   $XX,XXX  ██ 8%                      │
    │  ─────────────────────────────────────────────────────────  │
    │  TOTAL                $X,XXX,XXX                            │
    └─────────────────────────────────────────────────────────────┘

    FUTURE STATE (Annual):
    ┌─────────────────────────────────────────────────────────────┐
    │  MPLS Circuits (Year 2+)  $X     (Eliminated)               │
    │  Internet Primary     $XXX,XXX   ████████████ 42%           │
    │  Internet Secondary   $XXX,XXX   ██████ 25%                 │
    │  Cellular Backup       $XX,XXX   █ 4%                       │
    │  SD-WAN Licensing      $XX,XXX   ████ 19%                   │
    │  Hardware Maintenance  $XX,XXX   ███ 11%                    │
    │  ─────────────────────────────────────────────────────────  │
    │  TOTAL                $XXX,XXX                              │
    └─────────────────────────────────────────────────────────────┘

    ANNUAL SAVINGS: $XXX,XXX (62.5% reduction)
    3-YEAR SAVINGS: $X,XXX,XXX
    5-YEAR SAVINGS: $X,XXX,XXX
    ═══════════════════════════════════════════════════════════════

ROI Requirements

Metric Target
Payback Period <18 months
3-Year ROI >200%
5-Year TCO Reduction >50%
Annual OpEx Savings >$XXX,XXX

1.7.3 Cloud Strategy Requirements

Cloud-First Initiative Support

Requirement Description SD-WAN Enablement
SaaS Optimization Direct access to O365, Salesforce Cloud OnRamp for SaaS
IaaS Connectivity AWS, Azure integration Cloud OnRamp for IaaS
Multi-Cloud Support Avoid vendor lock-in Cloud agnostic design
SASE Readiness Secure cloud access Umbrella/SSE integration

Cloud Application Performance Targets

Application Current Latency Target Latency Improvement
Office 365 85-120 ms <50 ms >50%
Salesforce 75-95 ms <50 ms >40%
AWS ap-south-1 25-40 ms <20 ms >30%
Azure centralindia 20-35 ms <15 ms >30%
Webex 70-110 ms <40 ms >50%

Cloud Connectivity Architecture

                    CLOUD-FIRST NETWORK ARCHITECTURE
    ═══════════════════════════════════════════════════════════════

    BRANCH SITES:
    ┌─────────────────────────────────────────────────────────────┐
    │                                                             │
    │   ┌────────────┐    Cloud OnRamp     ┌────────────┐        │
    │   │  Branch    │ ─────────────────► │   SaaS     │        │
    │   │  WAN Edge  │    DIA             │  (O365,    │        │
    │   │            │                    │ Salesforce)│        │
    │   └─────┬──────┘                    └────────────┘        │
    │         │                                                  │
    │         │ SD-WAN Overlay                                   │
    │         │                                                  │
    │   ┌─────▼──────┐                    ┌────────────┐        │
    │   │    Hub     │ ─────────────────► │   IaaS     │        │
    │   │  WAN Edge  │  Cloud OnRamp      │ (AWS/Azure)│        │
    │   │            │  for IaaS          │            │        │
    │   └────────────┘                    └────────────┘        │
    │                                                            │
    └─────────────────────────────────────────────────────────────┘

1.7.4 Business Agility Requirements

Speed to Market

Metric Current State Target State Improvement
New site deployment 8-12 weeks 1-2 weeks 80% faster
Bandwidth upgrade 4-6 weeks Same day 95% faster
New application onboarding 2-4 weeks 1-3 days 90% faster
Policy change implementation 1-2 weeks <1 hour 99% faster

Operational Agility

Capability Current Target Business Impact
Zero-touch provisioning Manual Automated Reduced OpEx
Centralized management Distributed Single pane Faster troubleshooting
Template-based deployment Custom configs Standardized Consistency, speed
Self-service bandwidth Not available Portal-based Business empowerment

M&A and Business Expansion Support

Scenario Current Timeline Target Timeline
Acquire new company 6-12 months integration 4-8 weeks integration
Open new branch 8-12 weeks 1-2 weeks
Close/relocate site 4-6 weeks 1-2 weeks
Temporary/pop-up site Not supported 1-2 days with 4G/5G

1.7.5 User Experience Requirements

Application Performance

Requirement Metric Target
Voice quality MOS score >4.2
Video quality Resolution maintained 1080p sustained
SAP response Transaction time <2 seconds
Web browsing Page load time <3 seconds
File download Throughput >50 Mbps

Reliability Requirements

Metric Target Business Justification
WAN Availability 99.99% Revenue protection
Failover time <1 second Voice/video continuity
Packet loss <0.1% Application quality
Scheduled downtime <4 hours/year Business continuity

User Productivity Impact

                    USER PRODUCTIVITY METRICS
    ═══════════════════════════════════════════════════════════════

    METRIC                     CURRENT      TARGET      IMPACT
    ─────────────────────────────────────────────────────────────
    Application availability    98.5%        99.9%      +150 hrs/user/year
    SaaS performance           85ms         40ms       +45 min/user/day
    Video conference quality   3.5 MOS      4.3 MOS    Reduced rework
    Help desk tickets (WAN)    150/month    50/month   -67% IT overhead

    ESTIMATED PRODUCTIVITY GAIN: 2.3% workforce efficiency
    MONETARY VALUE: ~$X.XM annually (3,000 employees)
    ═══════════════════════════════════════════════════════════════

1.7.6 Security and Compliance Requirements

Security Business Requirements

Requirement Business Driver Priority
End-to-end encryption Data protection Critical
Segmentation Compliance (PCI-DSS) Critical
Threat prevention Risk mitigation High
Audit logging Regulatory compliance Critical
Zero-trust architecture Security posture High

Compliance Timeline Requirements

Regulation Deadline SD-WAN Dependency
PCI-DSS 4.0 March 2025 Segmentation, encryption
SOC 2 Audit June 2025 Logging, access control
ISO 27001 Renewal September 2025 All security controls
RBI Compliance Ongoing Data localization

1.7.7 Digital Transformation Alignment

Strategic IT Initiatives

Initiative SD-WAN Enablement Timeline
Cloud migration Direct cloud connectivity 2025
Remote work SASE/secure access 2025
IoT expansion Segmentation, bandwidth 2025-2026
AI/ML adoption Low-latency cloud access 2026
Edge computing Branch compute support 2026-2027

Future-Proofing Requirements

Capability Current Need Future Need (3yr) SD-WAN Support
Bandwidth 3 Gbps total 10 Gbps total Scalable
Sites 9 15-20 Template-based
Cloud apps 10 30+ Cloud OnRamp
IoT devices 500 2,000+ Segmentation
Remote users 500 1,500+ SASE integration

1.7.8 Business Requirements Summary

Priority Matrix

Requirement Category Priority Weight Success Criteria
Cost Reduction High 30% >50% OpEx reduction
Cloud Enablement High 25% <50ms SaaS latency
Business Agility High 20% <2 week site deployment
User Experience Medium 15% >4.0 MOS, 99.9% availability
Security/Compliance Critical 10% All audits passed

Business Case Summary

Metric Value
Total Investment (3 years) $XXX,XXX
Total Savings (3 years) $X,XXX,XXX
Net Benefit (3 years) $X,XXX,XXX
ROI 233%
Payback Period 14 months

Executive Summary

The SD-WAN migration will deliver significant business value through cost reduction, improved cloud access, and enhanced operational agility. The project aligns with Abhavtech.com's digital transformation strategy and positions the network infrastructure to support future growth initiatives.


References

Document Description
Abhavtech IT Strategy 2025-2028 Digital transformation roadmap
Cloud Migration Plan Cloud-first initiative details
Financial Analysis Workbook Detailed cost calculations
Compliance Requirements Matrix Regulatory obligations

Document Version: 1.0 Last Updated: December 2025 Classification: Internal Use Only Abhavtech.com - SD-WAN Documentation