Building Cloud Applications for the Real World. Aleksey Savateyev Senior Architect

Transcription

1 Building Cloud Applications for the Real World Aleksey Savateyev Senior Architect

2 Where is Cloud Computing used? Massive-scalability scenarios High-availability scenarios Technical computing Global integration

3 ticketdirect Major ticketing service for Australia and New Zealand 80 venues 45% of professionally ticketed events in NZ Rapid growth

4 ticketdirect Architecture Azure Roles Client Applications Dynamic Worker (tasks uploaded as blobs) Distributed Cache Worker Partitioner Worker AppFabric Service Bus WCF Castellan.Azure Box Office sales Ticket Printing System Administration Venue/Event Management Partitioning Azure Storage Blobs to store web and worker role resources Tables to record server & partition information Queues for communication between clients and roles On Premise SQL Server Castellan Venue SQL Azure Castellan Castellan Venue Venue DB1 Partition(s) DB s Castellan Venue Venue DB2 Partition(s) DB s Castellan Venue Venue DBN Partition(s) DB s... Castellan.old (VB6) One application DB, many venue DB s each partitioned in to many parts (40+)

5 Problems Ineffective Data Partitioning Tools help a bit On-premises integration Multi-tenancy Provisioning Billing

6 easyjet European, short haul carrier 120 destinations across Europe 45 million customers/year 1000 flights/day, 160 aircrafts Technology company, not a traditional airline

7 easyjet Architecture Boarding Payment Check-In Sales CRM Other

8 Problems Ineffective routing Shortest route determination Scalability across tenants Privacy concerns

9 Invensys

10 Worker Web Invensys Smart Grid Pilot Architecture Cloud Windows Azure Energy Controller Service Registrar Service Client Consumer Clients Energy Controller Registrar Aggregator AppFabric Service Bus Energy Pricer Endpoint Registrar Endpoint Health Monitor Endpoint <Dynamic Price> Utility Desktop Client Registrar Energy Pricer Utility Desktop Client Health Monitor

11 Problems Connection-based pricing $1.99 per user per month Client-server duplex channel limitations Potential loss of data and data redundancy

12 Microsoft DC Evolution Generation 1 Generation 2 Generation 3 Generation 4 Modular Datacenter Facility PAC Deployment Scale Unit ITPAC

13 Generation 4 DCs Modularization of the DC All Pre-Manufactured Modules Compute, Power, Cooling Racks, Skids or Containers Redundancy & Reliability customized to each DC Class

14 Windows Azure DC Locations Windows Azure Facilities at launch North America San Antonio, Chicago South-East Asia Singapore, Hong Kong Europe Dublin, Amsterdam World-wide Microsoft network infrastructure Capacity expansion and further sites as capacity needs grow

15 Problems Choosing the right DC Pricing Latencies

16 Windows Azure Platform Commercially Available Future Commercial Availability

17 Windows Azure Platform Services Data Sync Business Analytics Reporting

18 Platform Capability Symmetries Capability Windows Server Windows Azure Server Process Host Windows Service Worker Role HTTP Application Host HTTP.SYS / IIS Web Role Logging /Diagnostics Event Tracing (ETW) Azure Logging Binary Object Store File System (NTFS) Azure Blob Storage Tabular Data Store File System, Jet, Registry, 3 rd Party ISAM Azure Table Storage Relational Table Store SQL Server, 3 rd Party RDBMS SQL Azure Job Queue Store Microsoft Message Queue Azure Queue Storage Identity and Access Control Active Directory AppFabric Access Control + Federation Endpoint Federation WCF + BizTalk Server AppFabric Service Bus + WCF Network Federation Remote Access Services Project Sydney

19 Problems Differences between server and cloud Functionality Pricing considerations Adoption

20 Windows Azure Flexible Application Hosting Lights-out Service management Provide Code & Service model Storage at Large Scale

21 Windows Azure Compute Service Model F/W Rules Roles Service Configuration Assets Assemblies Html Images Scripts Styles Web Web Role Role Web Web Roles Role.Net ASP.NET MVC WCF Fast CGI PHP Ruby Web Web Role Role Worker Web Roles Role.Net C/C++ & Win32 Java

22 SQL Azure Data Sync Business Analytics Reporting Relational database as a service Highly available, automatically maintained Extension of the SQL Server Data Platform

23 SQL Azure Database Architecture 1 TDS Gateway Front-end Node TDS Session Protocol Parser 2 3 Gateway Logic Master Cluster Master Node 4 Master Node Components Backend Node 1 SQL Instance SQL DB Backend Node 2 SQL Instance SQL DB Backend Node 3 SQL Instance SQL DB Scalability Scalability and and Availability: Fabric, Failover, Replication, and and Load Load balancing balancing

24 Problems DB size limitations Sharding helps DB partitioning

25 Offline-Capable Applications Queries / Updates Store Client Application Browser or Native Changes Sync() Sync Queries / Updates Changes Windows Azure Platform Windows Azure Application ASP.NET / WCF Endpoint WCF Sync Endpoint

26 loud platform introduction windows azure platform Problems Unclear synchronization schemes No structured storage on most clients

27 Windows Azure AppFabric Leverage existing SOA Investments Build Federated Hybrid Cloud Applications Interconnect Services and Devices

28 Backend Naming Routing Fabric Frontend Nodes NLB sb://solution.servicebus.windows.net/a/b/ One-way Rendezvous Ctrl Msg Ctrl 2 Service Bus TCP/SSL or HTTP Ctrl 3 1 HTTP/Socket Forwarder Sender 4 Receiver

29 PortBridge: P2P Tunneling Architecture 1 Localhost Port Projection on Agent Host to A: to A:1433 Agent Direct Connect Upgrade 2 5 Service Bus A B 3 Port Bridge Service Host A 4 SQL 1433 RDP 3389 Host B WWW Proxy 80 Telnet to C: to B:80 1. Client socket connect 2. Create/Reuse SB link to bridge 3. Route to target service 4. Socket connect to target 5. Upgrade to direct connect C All sockets to same target are multiplexed via the same tunnel NAT FW Boundary Port Bridge Service Host C RDP 3389

30 Windows Azure Platform Futures Sydney

31 Pricing Compute $0.12 / CPU hour (or part thereof) ~ 1.7 GHz, 2GB Ram, Single Core $2.88 / Day $86.4 / 30 days (billing period) 2 instances = $ / month Storage $0.15 / GB/Month Bandwidth $0.10 /GB inbound $0.15 /GB outbound Triple charges in Asian DCs

32 One Bill

33 Problems Unavailability in many countries Customer and tenant billing No billing-on-behalf

34 Windows Azure in Russia Few Russian ISVs already develop applications Not available for purchase directly until H22011 Can be purchased by subsidiary in supported country (21 countries at the moment) Can be purchased through partners soon Closest DC is Amsterdam Russian DC possible in the future Contact MS Russia for details on cloud computing project initiatives

35 Call to Action Learn cloud computing platforms and problem domain Assess existing issues Move existing applications to the cloud or build new ones to close the gaps Think big

36 Cloud Computing