7.8 Business Case Development¶
7.8.1 Executive Summary¶
Business Case Overview¶
business_case:
title: "SD-WAN Transformation Business Case"
sponsor: "CTO"
date: "December 2025"
executive_summary: |
Abhavtech proposes migrating from legacy MPLS WAN to Cisco Catalyst
SD-WAN to achieve 52% cost reduction, improve application performance,
and enable cloud-first initiatives. The $XXXK investment yields
payback in 12 months with $X.XXM savings over 5 years.
recommendation: "Approved for implementation"
key_metrics:
investment: "$XXX,XXX"
annual_savings: "$XXX,XXX"
payback: "12.1 months"
five_year_roi: "395.8%"
Strategic Alignment¶
strategic_alignment:
corporate_objectives:
digital_transformation:
objective: "Enable cloud-first application strategy"
sd_wan_contribution: "Direct cloud access via Cloud OnRamp"
alignment: "High"
cost_optimization:
objective: "Reduce IT operational costs by 20%"
sd_wan_contribution: "52% WAN cost reduction"
alignment: "Critical"
business_agility:
objective: "Faster time-to-market for new locations"
sd_wan_contribution: "Site deployment in days vs months"
alignment: "High"
security_enhancement:
objective: "Zero-trust security implementation"
sd_wan_contribution: "Integrated security, SGT propagation"
alignment: "High"
it_strategy_alignment:
sd_access_integration:
status: "Required"
benefit: "End-to-end fabric architecture"
cloud_adoption:
status: "Enabler"
benefit: "Direct SaaS/IaaS access"
automation:
status: "Foundation"
benefit: "API-driven operations"
7.8.2 Cost-Benefit Analysis¶
Detailed Cost Analysis¶
cost_analysis:
current_state_costs:
description: "Legacy MPLS-based WAN"
annual_total: 1128000
breakdown:
circuits: 972000
support: 42000
operations: 114000
future_state_costs:
description: "Cisco Catalyst SD-WAN"
capital_investment: 595000
annual_recurring: 538200
breakdown:
circuits: 464400
licensing: 37800
support: 30000
cloud_services: 6000
savings_analysis:
annual_opex_savings: 589800
five_year_savings: 2949000
net_savings_after_capex: 2354000
Risk-Adjusted Returns¶
risk_adjusted_analysis:
scenarios:
optimistic:
probability: 20
savings_multiplier: 1.2
five_year_value: 2824800
expected:
probability: 60
savings_multiplier: 1.0
five_year_value: 2354000
conservative:
probability: 20
savings_multiplier: 0.8
five_year_value: 1883200
risk_adjusted_npv: 2260640
key_risks:
implementation_delay:
impact: "Delayed savings realization"
mitigation: "Phased approach, experienced partner"
cost_overrun:
impact: "Reduced ROI"
mitigation: "Fixed-price implementation"
performance_issues:
impact: "Business disruption"
mitigation: "Thorough testing, rollback capability"
7.9 Vendor Selection¶
7.9.1 Solution Selection Rationale¶
Why Cisco Catalyst SD-WAN¶
vendor_selection:
selected_vendor: "Cisco"
solution: "Catalyst SD-WAN (formerly Viptela)"
selection_criteria:
existing_relationship:
weight: 20
score: 5
rationale: "Existing Cisco SD-Access investment"
integration_capability:
weight: 25
score: 5
rationale: "Native SD-Access integration"
feature_completeness:
weight: 20
score: 4
rationale: "Comprehensive feature set"
market_position:
weight: 15
score: 5
rationale: "Gartner Leader"
support_ecosystem:
weight: 10
score: 4
rationale: "Strong TAC, partner network"
total_cost:
weight: 10
score: 3
rationale: "Premium pricing, but justified"
total_score: 4.45 # out of 5
Competitive Comparison¶
competitive_analysis:
vendors_evaluated:
cisco:
strengths:
- "SD-Access integration"
- "Comprehensive security"
- "Enterprise support"
weaknesses:
- "Higher cost"
- "Complexity"
fit_score: 4.5
vmware_velocloud:
strengths:
- "Easy deployment"
- "Good cloud integration"
weaknesses:
- "No SD-Access integration"
- "Less security features"
fit_score: 3.5
fortinet:
strengths:
- "Strong security"
- "Competitive pricing"
weaknesses:
- "No fabric integration"
- "Smaller ecosystem"
fit_score: 3.0
palo_alto_prisma:
strengths:
- "SASE-native"
- "Security excellence"
weaknesses:
- "No campus integration"
- "New platform"
fit_score: 3.2
decision: "Cisco selected for SD-Access integration requirement"
7.9.2 Implementation Partner Selection¶
Partner Requirements¶
partner_selection:
requirements:
certifications:
- "Cisco Gold Partner"
- "SD-WAN Specialization"
- "CCIE certified engineers"
experience:
- "10+ SD-WAN implementations"
- "SD-Access integration experience"
- "Similar industry experience"
support:
- "24x7 support capability"
- "Local presence (India)"
- "Remote support for global sites"
selected_partner:
name: "[Partner Name]"
tier: "Cisco Gold Partner"
specializations:
- "Enterprise Networking"
- "SD-WAN"
- "Security"
team:
lead_architect: "CCIE #xxxxx"
project_manager: "PMP certified"
engineers: 3
7.10 Training Plan¶
7.10.1 Training Strategy¶
Training Requirements¶
training_strategy:
objectives:
- "Enable internal team for Day 2 operations"
- "Reduce dependency on external support"
- "Build SD-WAN center of excellence"
target_audiences:
network_engineers:
count: 4
current_skills: "Cisco routing/switching, SD-Access"
target_skills: "SD-WAN design, configuration, troubleshooting"
noc_operators:
count: 6
current_skills: "Basic network monitoring"
target_skills: "vManage operations, alert handling"
security_team:
count: 2
current_skills: "Network security, ISE"
target_skills: "SD-WAN security policies, integration"
Training Curriculum¶
training_curriculum:
level_1_fundamentals:
name: "SD-WAN Fundamentals"
duration: "2 days"
audience: "All technical staff"
topics:
- "SD-WAN concepts and architecture"
- "Control plane overview"
- "Data plane overview"
- "vManage navigation"
delivery: "Instructor-led (virtual)"
certification: "None (awareness)"
level_2_operations:
name: "SD-WAN Operations"
duration: "3 days"
audience: "Network engineers, NOC"
topics:
- "vManage administration"
- "Monitoring and alerting"
- "Basic troubleshooting"
- "Day 2 operations"
delivery: "Instructor-led + hands-on lab"
certification: "Internal certification"
level_3_advanced:
name: "SD-WAN Design and Implementation"
duration: "5 days"
audience: "Senior network engineers"
topics:
- "Architecture design"
- "Policy configuration"
- "Advanced troubleshooting"
- "SD-Access integration"
- "Automation"
delivery: "Instructor-led + lab"
certification: "Cisco SD-WAN certification"
level_4_expert:
name: "SD-WAN Expert Track"
duration: "Ongoing"
audience: "Lead engineers"
topics:
- "Complex designs"
- "Performance optimization"
- "API programming"
- "Multi-domain integration"
delivery: "Self-paced + Cisco Learning"
certification: "CCNP/CCIE Enterprise"
Training Schedule¶
training_schedule:
pre_migration:
week_minus_8:
course: "SD-WAN Fundamentals"
audience: "All technical staff (12)"
week_minus_6:
course: "SD-WAN Operations"
audience: "Network engineers, NOC (10)"
week_minus_4:
course: "SD-WAN Design and Implementation"
audience: "Senior engineers (4)"
during_migration:
ongoing:
activity: "Knowledge transfer from partner"
method: "Shadow during migrations"
post_migration:
week_plus_4:
course: "Advanced troubleshooting workshop"
audience: "Network engineers (4)"
week_plus_8:
course: "Automation workshop"
audience: "Senior engineers (2)"
certification_targets:
q1_2025:
- "2 engineers: Cisco SD-WAN certification"
q2_2025:
- "2 additional engineers: Cisco SD-WAN certification"
q4_2025:
- "1 engineer: CCNP Enterprise"
Training Resources¶
training_resources:
cisco_learning:
platform: "Cisco Learning Network"
subscription: "Enterprise agreement"
courses:
- "Implementing Cisco SD-WAN Solutions"
- "SD-WAN Operation and Deployment"
lab_environment:
type: "Cisco dCloud"
access: "Reserved for training"
topology: "Matches production"
documentation:
internal:
- "Migration runbooks"
- "Operational procedures"
- "Troubleshooting guides"
vendor:
- "Cisco CVD guides"
- "Configuration guides"
- "Release notes"
Document version: 1.0 Last updated: 2025 Classification: Internal Use