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CloudTao. — Build your own enterprise-class PaaS platform. Cloudset and Cloud. First Level Multitenant. Cloudset1. Master Cloudset. Second Level Multitenant. Cloudset. cloud. cloud. cloud. cloud. cloud.

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Cloudtao

CloudTao

— Build your own enterprise-class

PaaS platform


Cloudtao

Cloudset and Cloud

First Level Multitenant

Cloudset1

Master Cloudset

Second Level Multitenant

Cloudset

cloud

cloud

cloud

cloud

cloud

Dedicated resource can be assigned to a cloudset. Dedicated resource can be also assigned to a cloud inside an cloudset

Resource Pool


Cloudtao

Cloud and Service

  • A cloud contains a set of services

  • A service can handling a set of target http request.

Cloud

Third Level Multitenant

Service

Service

Service

Service


Cloudtao

Service and Processor

Service

  • A service is packed into a war which can be self-started with an embedded jetty.

  • A service contains several processors each refer to a running jetty instance.

Processor 1

(Embed Jetty instance listening on: 192.168.64.101: 8083)

Processor 2

(Embed Jetty instance listening on: 192.168.64.102: 8084)

Processor3

(Embed Jetty instance listening on: 192.168.64.102: 8085)


Deployment architecture

Deployment Architecture

Load balancer

HA Proxy / F 5

Management & Monitoring

Gateway Processor

Gateway Processor

Gateway Processor

Reverse Proxy

Service

Processor

Service

Processor

Service

Processor

Service

Processor

Service

Processor

Service

Processor

Processor Pool

Cloudset

Cloudset

……

……

……

Cloud

Cloud

Cloud

Server Pool

Admin/Monitor/Service Repository

Data Center 1

Data Center 2

Infrastructure


Runtime architecture

Web UI/Client

Runtime Architecture

1.http://paas.cloudtao.com/cloudset1/cloud1/service1/customer/1

Master Cloudset

3. http response

2. Dispatch and load balance

Cloudset

cloudset2

System cloud

Gateway Processor Cluster

Processor 1

Processor 1

cloud2

service1

service2

Processsor1

Processor 1

Other Service

Processor 2

Processor 2

Repository Service

cloudset1

service1.war


Core service

Core Service

  • Embedded Application Server(jetty)

  • Self-contained

  • Easy to maintain and upgrade

  • Monitoring

  • Logging

  • Remote Debugging

  • JMX integration

  • Security: ssl & application-based custom authentication


Core service1

Core Service

Maven plug-in

Application (War)

Processor with Embedded Application server

Combine

run

App+ CloudTao core = Service

CloudTaoCore

(jetty + admin/monitoring etc.)

Processor

Cloudset

Cloud

Service

Processor

CloudTao Cluster

Processor

Processor

Processor


Gateway service

Gateway Service

Load Balancer(F5/Haproxy)

  • Forward http request to target cloudset/cloud/service/processor

  • Load balancing

  • Auditing

  • Central Authentication

  • Filtering

Gateway 1

Gateway 2

Gateway …

Processor

Processor

Processor

Processor

Processor

Processor

Processor

Processor

…..


Database service

Database Service

  • Relational DB is needed for legacy Application

  • Application needs ACID from relational DB, NOSQL are based on BASE model

  • Relational DB is overused in the past

    • Blob data should be store in key-value based nosql db

    • Application logic implementation should be moved to application layer

    • Relationship between data is too complex

    • No-Stand SQL


Scalable multitenant rdbms

Scalable Multitenant RDBMS

  • Multitenant DBMS that is scalable, fault-tolerant, elastic, autonomic, consistent, and supports a relational data model.

  • NOSQL is scalable, but

    • Lack of transaction(ACID)

    • Lack of query ability

    • No built-in Multitenant support

    • SLA is un-certain

  • An application with smaller storage requirements (tens of MBs to a few GB) would not utilize these scaling advantages of NOSQL

Multitenant database models


Scalable multitenant rdbms1

Scalable Multitenant RDBMS

DB Service

Clustering/HA

  • Embedded H2/mysqlDatabase in Processor

  • Self-Contained

  • Isolation at DB instance

  • Web-based DB management console

  • Clustering/HA between db processors

  • Application transparent

DB Processor 2

DB Processor 1

Embedded Database

Embedded Database


Multitenant queue service

Multitenant Queue Service

Queue Service

Clustering/HA

  • Embedded Hornetq in Processor

  • Self-Contained

  • Clustering/HA between two processors

Queue Processor 2

Queue Processor 1

Embedded HornetQ

Embedded HornetQ


Storage key value service

Storage(Key-Value) Service

  • Central storage repository

  • Only can use http request to access

  • In Master cloudset system cloud: we use storage service to store all admin information and configuration information.

S3 compatible interface

Local file system implementation

Distributed file system implementation

.... implementation


Cache service

Cache Service

Rest http interface

  • Based on Ehcache

  • Put/Get cache through http restful request

  • Clusting/HA between cache processors

Cache Service

Clustering/HA

Cache processor 1

Cache processor 2


Central session implementation

Central Session implementation

Cache Service 1

Clustering/HA

Cache processor 1

Cache processor 2

Cloudtao Session Manager:

Generate Unique session ID

Hashed by session id to distrubuted HA cache service

No local session storage

No tricky session

Cache Service 2

Jetty Instance

Clustering/HA

Cache processor 1

Cache processor 2

Jetty Instance

…….

Cache Service …

Clustering/HA

Cache processor 1

Cache processor 2


Repository service

Repository Service

Application Developer

mvn deploy

  • Based on Maven repository

  • Central storage for service artifacts

  • Multi-version support

Service1.war

Service3.war

1. Download war

Service2.war

Service4.war

Host

Admin Processor 1

Service 1 Processor 1

2. Start processor


Full cycle application support

Full Cycle Application Support

  • Develop with traditional Method

  • Use PaaS Service

  • Deploy artifacts to repository with maven plug-in

  • Real-time monitoring and alert

  • Dynamic scale up/down

  • Fail-over

  • Test with traditional Method

  • Maven Plug-in

  • Test in DTAP

  • Remote Debugging

  • Make deploy strategy

  • On-fly redeployment

  • Version Upgrade


Cloudtao paas platform built from ground

CloudTao: PaaS Platform built from ground


Cloudtao key technical characters

CloudTao: Key Technical Characters

  • Shared OS multitenancy implementation, Linearly horizontal scalability, fine-grain resource utilization

  • Multitenant at multiple level

  • Easy to management, easy to upgrade, central monitoring. Bridge dev and ops.

  • Open, Simple and consistent Architecture

  • Fully Support J2EE Stack(except EJB)

  • Truly Cross-platform, only reply on JVM

  • Truly Distributed, HA, No single point of failure


Thank you

Thank you!


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