Migrating legacy e-commerce application to MS Azure

ACME

APP CONTENT DELIVERY SERVERS IN MICROSOFT AZUREACME e-commerce app

DEMO

2

ACMECURRENT ARCHITECTURE

backend-Tomcat

backend-postgreSQL

frontend-squid

frontend-NAT

http

Internet t1.micro

instance instance size monthly cost (USD)

frontend-squid Linux on m1.small (Detail Monitored) 37.91

frontend-NAT Linux on t1.micro (Detail Monitored) 18.14

backend-Tomcat Linux on c1.medium (Detail Monitored) 111.84

backend-postgreSQL Linux on m1.small (Detail Monitored) 37.91

EBS Volumes 4 x 8 GB + 1 x 999 GB (250 IOPs) 237.91

443.71 (≈ RUB 34 000)

m1.small c1.medium

m1.small

3

ACMEIMPLEMENTED ARCHITECTURE

service size (plan) monthly cost (RUB)

Web app (1 instance) Standard S1 2194.80

PostgreSQL-node1 VM Standard D1 v2 (Windows) 5951.63


iSCSI storage VM Standard D1 v2 (Windows) 5951.63

Block blob storage Standard LRS 2.73 TB (backups) 4726.81

24 776

http PostgreSQL-node1

PostgreSQL-node2

iSCSI storageILB

Web app

VPN

4

ACME

Failover ClusteringNode 1

IMPLEMENTED ARCHITECTURE (BACKEND)

iSCSI Target Server2012 R2

2012 R2Failover Clustering

Node 2

2012 R2

iSCSIInternal LBVPN gateway

Site-to-Site VPN

Point-to-Site VPNAvailability set

5

ACMEIMPLEMENTED ARCHITECTURE (FRONTEND)

…

Load balancer

AutoScale

IIS Java 7 Apache Tomcat 7

ACME eCommerce server

Web App instance 1

Local storage

Web App instance 2

Local storage

Web App instance 3

Local storage

Web App instance N

Local storage

Deploy

Bitbucket GitHub

Dropbox Git

VS

FTPFTP

Manage

Deployment slots

Monitoring

Backup

Clients (HTTP) Internet (NAT)Backend (VPN)

6

ACMESUGGESTED ARCHITECTURE CHANGES (NOW)

http PostgreSQL-node1

PostgreSQL-node2

iSCSI storageILB

Web app

Local storage

Java 7

Platform





iSCSI storage VM Standard D1 v2 (Windows) 5951.63

Block blob storage Standard LRS 2.73 TB (backups) 4726.81

24 776

7

ACMESUGGESTED ARCHITECTURE CHANGES (TOMORROW)

http

Web app Azure SQL

Azure storage

+ PaaS architecture+ High availability+ Auto scaling+ Application consistent backup+ Geo-replication+ Cost savings

+ PaaS architecture+ Improved performance+ CDN

Why not?



Azure SQL database Standard S1 956.04

Storage Standard GRS (2 TB) 3200

Data transfer (out) 1 TB 5160

12 000

.NET

Platform

8

ACME

THANK YOU!

Engineering

Migrating legacy e-commerce application to MS Azure