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Containers as Infrastructure for New Gen Apps


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Khalid will share on emerging container technologies and their role in supporting an agile cloud-native application development model. He will discuss the basics of containers compared to traditional virtualization, review use cases, and explore the open-source container management ecosystem.

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Containers as Infrastructure for New Gen Apps

  1. 1. Containers as the Infrastructure for New Generation Applications Khalid Ahmed, STSM, Chief Architect - Infrastructure Software , IBM Spectrum Computing
  2. 2. IBM Systems The Complex Apps and Infrastructure Challenge | 2 Data Virtualization Compute Virtualization Application Layer Infrastructure Layer • Microsoft Exchange • SQL Databases & Data Warehouses • Virtual Desktops (VDI) • Test / Dev Private Clouds • Traditional server and storage systems • Hypervisor environments • Storage silos • Hadoop • Spark • In-memory analytics • NoSQL Databases • Analytics Grids • Traditional HPC • Serverless (OpenWhisk) • Cloud Native architectures • Container environments • Data Ocean architecture for unstructured data storage and lifecycle management Traditional New Gen
  3. 3. A standard way to package an application and all its dependencies so that it can be moved between environments and run without changes. Containers work by isolating the differences between applications inside the container so that everything outside the container can be standardized. Containers 3
  4. 4. IBM Systems Containers and VMs Solve Different Problems Containers are lighter and perform better: • Portability: VM (Gigabytes) vs. Container (Megabytes), VMs are constraint to Hypervisor and hardware-emulation • Performance: Containers can boot and restart in seconds, compared to minutes for virtual machines. And no extra overhead of a hypervisor and guest OS makes containers consume less CPU and memory. • Management cost: Each VM requires a full functional operating system, and then extra management for them. Great advantage to use containers in: • DevOps • Batch computing • Lightweight PaaS • Microservices Host Server Host Operating System Hypervisor OS Bins/ Libs App1 OS Bins/ Libs App2 OS Bins/ Libs App3 Host Server Host Operating System Container Engine Bins/ Libs App1 Bins/ Libs App2 Bins/ Libs App3 Virtual Machines Containers | 4
  5. 5. What are the Basic Functions of Docker? Docker Registry Image Repository Dockerfile for Application ImageN Docker Engine (Build) Server Host OS Docker Engine ContainerA ContainerB ContainerN Push new Image to Repository Describes steps to build container automatically from source Get N … Run N Build M Source Code Repository Build Store Run Developer Creates App, Builds Container And pushes to Registry Operator Deploys Containers
  6. 6. IBM Systems Cloud Native Applications are being built with Microservices Using Containers 6 Cloud Native applications are characterized by the following: • DevOps and continuous integration / continuous delivery methods • User experience centric principles • Use of microservice architecture, and API-centric approach to applications • Multisource data collection mechanisms from sources such as social media streams or IOT sensors. • Built-in analytics capabilities intended to help inform/develop process • Low-risk technology investments that avoid lock-in Source: Gartner
  7. 7. IBM Systems Container Management Platforms are Emerging • Container Management Platforms (CMPs) are also known as container managers, container orchestration engines, container orchestration platforms and containers- as-a-service (CaaS) platforms. • They help enterprises address the challenges of deploying containers. These platforms let administrators monitor, manage, secure, and scale containers similar to how they treat existing servers and virtual machines. Bare Metal / Virtualization Environment On-prem / off-prem Auto-scaling / Upgrade Image Management (App Catalog, registry) Service Registration & Discovery Security / Compliance Routing & Load Balancing Monitoring & Logging Scheduling HA / Backup & Restore | 7 CMP Architectural Components
  8. 8. IBM Systems Layer 1 Infrastructure Layer 2 Operating System Layer 3 Container Engine Layer 4 Orchestration Layer 5 CMP Tool Chain | 8 Container Ecosystem
  9. 9. IBM Systems What is Kubernetes? • Container orchestrator • Runs and manages containers • Supports multiple cloud and bare-metal environments • Inspired and informed by Google's experiences and internal systems • 100% Open source, written in Go • Manage applications, not machines • Rich ecosystem of plug-ins for scheduling, storage, networking | 9
  10. 10. IBM Systems Kubernetes Concepts A group of co-located containers | 10 A service defines a set of pods and a means by which to access them, such as single stable IP address and corresponding DNS name. A volume is a directory, possibly with some data in it, which is accessible to a Container as part of its filesystem. A label is a key/value pair that is attached to a resource, such as a pod, to convey a user-defined identifying attribute. A replication controller ensures that a specified number of pod replicas are running at any one time.
  11. 11. IBM Systems Kubernetes Architecture
  12. 12. IBM Systems Cloud Native Docker Container Cloud – Client Use Case 12 • Supporting a new Cloud Native DevOps Docker model with a Scale Out Infrastructure • Modernizing Hundreds of Websphere Apps on Power providing services both to internal employees and external clients • Embracing Open Source Technologies like Docker, Mongo, Redis etc. • Cooperatively Integrating Open Source Components to deliver a complete Container Cloud Service Power Compute Node Cloud Approx 100’s of Systems Container Management Service Web Apps Web Apps Web Apps Web Apps Web Apps Web Apps Web Apps Open Source Tooling and SW Mongo Redis etc SQL DB’s Data Services User Applications (Internal and External) Self Service Developer Portal to Get Containers and Data Services … Docker Containers RedHat 7.1 LE Linux O/S & KVM SDNRegistry Operations Dashboard RegistryUI
  13. 13. IBM Systems IBM Bluemix Container Service Scheduler Networking Volume Mgmt … Orchestration Image Build Image Registry Vulnerability Scanning Logging /Metrics IBM Managed User Managed Load Balancing Auto-Recovery Auto-Scaling Docker Images Single Docker Containers Docker Compose Files Scalable Container Groups Bare metal hosts crawlers IBM managed service delivered through Bluemix
  14. 14. IBM Systems IBM Spectrum Conductor for Containers Container orchestration • Resource management • Application life-cycle management/schedule/deployment • Scaling, Rolling upgrade • Service Registry/Discovery Container infrastructure • Load Balance • Multi-host Networking • Distribute storage management • Image/Software repository management • Configure management • Logs/Meters/Alert • User/Account management (Multiple tenancy & RBAC) Ops management • Installation/upgrade • Health check Hypervisor IBM Spectrum Conductor for Containers Unified Web-based Interface Resource Management Pattern based cluster template PrivateRegistry Monitoringand Reporting Cloud Native Spark Pattern based cluster template Container Orchestration Framework x86 | 14 Software stack for building on-prem customer-managed containers optimized for IBM Systems
  15. 15. IBM Systems 15© 2016 IBM Corporation • Community Edition v0.2 (Tech Preview) available now! • Free to download and use as you wish • We are looking for feedback for our roadmap • Learn more and register on our community page: IBM Conductor for Containers Community Edition
  16. 16. Thank You