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Presidio AWS Cloud Migration Services

Migrating your business to the cloud is something that we take very seriously. Having your most important business processes running outside of the datacenter takes a very careful approach and depth of expertise. Presidio has many service offerings that are purpose-built to help our customers on this journey regardless of their starting point. Presidio’s approach is tightly aligned with the AWS “Well-Architected Framework” for Cloud Migrations and has provided successful outcomes for many customers on their cloud journey.

There are many elements to a successful cloud journey:

  • Align on business requirements with all stakeholders
  • Create a strategic vision or business case
  • Publish guidance & guard rails for cloud adoption
  • Develop employee skillsets and close skills gaps
  • Provide centralized expertise for decentralized innovation
  • Define new operating models: policies, processes, and economics
  • Start small, iterate, measure, manage, and improve

OUR METHODOLOGY

MIGRATION READINESS ASSESSMENT

This Migration Readiness Assessment is split into 6 perspectives from the AWS Cloud Adoption Framework to assess an organization's migration readiness. The left side is mainly business and the right side is mainly technology-focused.

  • Business Perspective is focused on how the business model integrates with the IT strategy.
  • People Perspective is about how the teams are prepared for cloud adoption.
  • Governance is all about both IT and Organizational Governance.
  • Platform Perspective includes principles and patterns for communicating your target state. environment and migrating workloads to the cloud.
  • Security Perspective is to understand the process for selecting and implementing controls.
  • Operations Perspective is how IT workloads are run, used, and operated to meet the requirements of the business.

MIGRATION READINESS PLANNING

 

DISCOVERY

There may be disconnected or incomplete data in an environment. We have been helping customers by leveraging well established tools and processes, as well as our experience, to build an understanding of the customer’s environment and create a tailored plan that allows for an iterative/agile approach over time.

MIGRATION PATTERNS

The plan will include a definition of the migration pattern for each workload. Our consultants will consider the feedback from application stakeholders and draw from their experiences to help determine the appropriate migration patterns.

Rehost (a.k.a. lift and shift) – is focused on maintaining the architecture and migrating directly to a server running in the cloud. This migration can be done manually by copying the data or using automated tools such as CloudEndure.

Replatform – is very similar to rehosting, but the key difference is that the code is altered to take advantage of new cloud infrastructure (a.k.a. Platform-as-a-Service). Some common services include Relational Database Service (RDS) or ElastiCache for Redis.

Repurchase – is moving to a SaaS model.

Refactor – is redesigning the application to be cloud-native. These applications drive the most value out of the cloud. Automation or Serverless approaches provide the most operational efficiencies.

Retire and Retain – are exactly as the names suggest. Mainframes are an example of when customers may retain the application on-prem until the next version of the application can be Repurchased or Refactored.

MATURITY PATTERNS

Presidio recognizes that most customers are at various stages with regards to their adoption of cloud technologies. Maturity Patterns can be split into 4 common states; we help establish a starting point, define positive paths forward, and transition to an optimizing state. By better understanding your maturity, Presidio will be positioned to engage appropriately.

Limited

  • Legacy Applications on Bare Metal
  • No Innovation Strategy

Primed

  • Virtualized
  • Aged LOB Applications
  • Minimal Development

Transitioning

  • Rationalized Application
  • Re-platformed with Platform-as-a-Service
  • Exploring or utilizing some DevOps Methodologies

Optimizing

  • Microservices, Stateless, or Serverless
  • Infrastructure as Code
  • Mature DevOps practices

Combining the Migration and Maturity Patterns helps define a road map to evolve cloud operations and applications to maximize the return on investment. Evolution leads to lower operating costs, increased security, and speeds up-time to business value.

FOUNDATIONAL MODEL

Foundational Model is the baseline architecture for the workloads. It covers account structure, network design, IAM, and security at scale. A multi-account approach is recommended to address the soft limits of individual AWS accounts and simplify governance. Core accounts are centralized services to streamline operations at scale. They allow team or group accounts to be created as needed, but you can still maintain an audit trail in the log archive account or allow shared services to be available across the organization. AWS Landing Zone or Control Tower are AWS Solutions that enable organizations to deploy the multi-account approach from pre-configured automation frameworks. You can consider these as easy buttons instead of manually putting together all the building blocks. VMware Cloud on AWS is a VMware managed service offering within AWS facilities. It integrates with existing vSphere environments so VMs can be migrated as-is to maintain workloads and be able to expand to AWS. This Foundational Model allows organizations to continue to use existing VMware skillsets. Application in the Primed Maturity pattern would be a great fit for VMC on AWS.

SECURITY SERVICES

AWS is responsible for the security of the cloud. This includes the Global infrastructure and services consumed, such as compute, storage, database, and networking. Customers have the choice of security configurations in the cloud. AWS infrastructure has many assurance programs. They span commercial, government, and international standards. Because security in the cloud is the customer’s responsibility, various security services are available to the customer or the customer can leverage their own tools.

There are five best practice areas for security in the cloud:

  • Identity and Access Management - We work with our customers to define, enforce, and audit user permissions across AWS services, actions, and resources.
  • Detective Controls provide preventative measures to spot issues before they impact the business, improve the security posture, and reduce the risk profile of the environment.
  • Infrastructure Security reduces surface area to manage and increase privacy and control of your overall infrastructure on AWS.
  • Data Protection is focused on data encryption at rest and in transit. Certificate Manager and KMS provide encryption key storage and management for automated rotation.
  • Incident Response is focused on containing an incident and returning to a known good state.

OPERATING MODEL

Traditional IT operating model generally have separate team silos.  Each team was responsible for overseeing their own domain and IT operated more like an assembly line. In the cloud operating model, compute, storage, network, and security are defined as software and part of the overall cloud infrastructure. Traditional IT roles must change to support this new operating model. 

CLOUD CENTER OF EXCELLENCE

CCoE is a cross-functional team responsible for developing and managing the cloud strategy within the organization.

The Cloud Business Office exists to ensure alignment of the Cloud goals to the business’s goals and the strategic and tactical execution of them across elements of people, process, and technology in a well-governed and inclusive way.

  • Define guardrails for cloud consumption
  • Defines success with KPI’s
  • Defines requirements for consumption and adoption

Enablement Program is designed to address how an organization will get cloud capabilities embedded into skill sets, processes, and culture.

  • Cloud Evangelism
  • Business Training
  • Technical Training
  • Skills gaps & Role Alignment
  • Certification Targets

Workload Definitions defines the reference architecture, blueprints, templates, and operating models best suited for a workload. We have defined three principal cloud operating models:

  • Traditional
  • Automated Efficiency
  • DevOps

Presidio is excited to help our customers navigate Cloud Migrations to AWS and are ready to help.  Please reach out to your account management team for more information.


Presidio
Presidio is a leading North American IT solutions provider focused on Digital Infrastructure, Business Analytics, Cloud, Security & Emerging solutions. We deliver this technology expertise through a full life cycle model of professional, managed, and support services including strategy, consulting, implementation and design. By taking the time to deeply understand how our clients define success, we help them harness technology advances, simplify IT complexity and optimize their environments today while enabling future applications, user experiences, and revenue models.
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