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Module 1 – Akamai Essentials
Powering a Better Internet © 2011 Akamai Objectives After completing this module, you will be able to: describe how the Akamai EdgePlatform works. identify products within the Akamai solution portfolio. navigate through Akamai EdgeControl.
Powering a Better Internet © 2011 Akamai Lesson 1: Introduction to the Akamai Platform
Powering a Better Internet © 2011 Akamai Online Business Industry Trends Increased broadband adoption Continual growth in online revenue Technology Trends Transition of the Internet from Web 1.0 to Web 2.0 Evolution of commerce sites from being static to highly dynamic Increase in the popularity of media and entertainment downloads Greater bandwidth connection in homes Internet Trends
Powering a Better Internet © 2011 Akamai Slow and unreliable downloads and applications Not inherently secure Expensive and hard to provision Internet Challenges
Powering a Better Internet © 2011 Akamai Internet Bottlenecks
Powering a Better Internet © 2011 Akamai Internet Bottlenecks
Powering a Better Internet © 2011 Akamai Involves: building out bigger and more data centers to handle demand. moving applications and content closer to geographically dispersed end users Problems with this approach: High infrastructure costs Idle, under utilized capital assets Need for data replication and synchronization High maintenance costs The Traditional ‘Do it Yourself’ Solution
Powering a Better Internet © 2011 Akamai Akamai EdgePlatform World's largest distributed computing platform. Akamai Solutions Accelerate web-based applications and dynamic content. Provide fast and flawless media and software delivery. Akamai EdgeControl Manage content, monitor and report traffic patterns, and troubleshoot content delivery issues. Akamai’s Solution
Powering a Better Internet © 2011 Akamai Typical daily traffic: 100+ billion hits 50+ million streams 1,500+ terabytes delivered 70,000 Servers Locations 70+ Countries 900+ Networks 660+ Cities The Akamai EdgePlatform - What is it?
Powering a Better Internet © 2011 Akamai Networks - Freeflow 1)End User types Browser queries DNS for which is CNAMEd to Akamai. Akamai DNS returns IP address of an optimal Akamai server to handle End User’s request. End User DNS 1 3)Browser parses HTML and requests additional objects from Akamai servers. Akamai servers serve objects from cache, contacting customer origin only if necessary. Customer Origin 2 3 2)Browser requests HTML from Akamai server. Akamai server assembles HTML page from cache, contacting Customer Origin only if necessary. Akamai server returns HTML to browser. Akamai Server
Powering a Better Internet © 2011 Akamai Networks - ESSL The ESSL Network is a separate network; Secure content will be served over a different map than regular HTTP content –ESSL GHost regions sit behind a switch/load-balancer that has 1 VIP per region for each ESSL customer certificate. –These load balancers accept traffic on ports 80 and 443 but will forward all transactions to the actual GHost servers on ports 9000 and 9001 respectively. –ESSL customers are assigned a "slot" number, this slot is assigned a unique VIP for each ESSL region. Key Features –Dedicated secure servers –Secure SSL Key Management: KMI Benefits –Computation-intensive SSL handshake is performed on the Edge Server. –Secure content is retrieved over an already-established secure connection between Edge Server and origin server.
Powering a Better Internet © 2011 Akamai Networks - ESSL (cont.) End UserOrigin Server Akamai Edge Server 1. Certificate Request & Response 2. SSL Handshake 3. Secure content request & response 4. Secure connection to origin for content retrieval/refresh
Powering a Better Internet © 2011 Akamai Networks – ESSL (cont.) New SSL certificates are activated by Akamai for all new ESSL customers –Obtain a completed SSL certificate form from the customer. –Submit certificate request to Akamai’s ESSL operations. –Create and deploy certificate to ESSL network. Certificate Signatures –By default, all certificates provisioned by Akamai are Akamai-signed (as a subordinate Certificate Authority of BeTrusted) –Customers may require a third party signature; such as, Verisign –Once the SSL certificate form is completed by the customer, a Certificate Signing Request (CSR) should be submitted to ESSL operations. –ESSL operations will provide a certificate, requiring signature from the designated third party. –Once signed, the fully qualified certificate is provided back to Akamai and deployed to the ESSL network.
Powering a Better Internet © 2011 Akamai Freeflow Vs ESSL Akamai’s EdgeSuite network will provide SSL object delivery, but it will do so using the fixed v1 ARL domain a248.3.akamai.net. Such delivery will use a generic Akamai certificate. The ESSL network provides dedicated servers ensuring that SSL certificates are properly protected –Certificate decryption only occurs in memory. –Physical intrusion detection devices are used to monitor and alert undesired access; if undesired access occurs, the server will automatically delete anything in memory. –Akamai selects only locations where strict access procedures are practiced. –Servers are in locked cabinets with motion detecting video cameras.
Powering a Better Internet © 2011 Akamai Akamai Server Characteristics Akamai servers known as “Edge Servers”. Edge servers are configured to meet the needs of Akamai customers, and as a result must be intimately familiar with its functionality. Edge servers are reverse HTTP proxy servers, running Akamai proprietary software.
Powering a Better Internet © 2011 Akamai Characteristics of Ghost (cont.) An Akamai region contains multiple Edge Servers. An Edge Server runs a single instance of the reverse HTTP proxy server software. Every Edge Server running on the Internet is a shared resource and can, in theory, serve content for any and all of Akamai’s customers. Freeflow (non-SSL) Edge Servers listen for HTTP requests on port 80. ESSL Edge Servers listen on port 80 and port 443.
Powering a Better Internet © 2011 Akamai Regions and maps Akamai servers grouped into regions Top Level Name Servers (TLNS) Map request to the most optimal region Low Level Name Servers (LLNS) Map request to a specific IP (or set of IPs) in a region
Powering a Better Internet © 2011 Akamai Regions (cont.) and Cache Hierarchy Certain servers designated “parents” May be in same region or another region Cache Hierarchy If requested content is not in cache, forward request to parent. Parent either serves from cache or forwards request to origin. Parent then has object in cache, and can share with region. Inter-Cache Protocol Before going to the origin, GHost makes a broadcast request to other Ghosts in the region: "Does anyone have this object?“ If no response from another GHost before a fairly short timeout, GHost goes forward to the parent or origin. End User DNS Customer Origin Akamai Server Akamai servers in the same region
Powering a Better Internet © 2011 Akamai Tracking customer traffic – CP Code CP Code = Content Provider Code Assigned/managed by business services through ECMC. Typically 1 per website. More if reporting/billing needs are complex. Tied to some list of services in the customer’s contract. Assigned to a request by metadata or in a v1ARL. One service per CP Code.
Powering a Better Internet © 2011 Akamai Origin ACL and CP Codes GHost maintains origin access control list Origin domains must be added to origin ACL. Added automatically to ACL when configured as origin in configuration manager If origin configured manually in override, must also also add hostname to ACL manually. Tools -> Origin Domains in portal
Powering a Better Internet © 2011 Akamai Lesson 2: The Akamai Solution Portfolio
Powering a Better Internet © 2011 Akamai The Akamai Solution Portfolio Advertising Decision Solutions (ADS) Dynamic Site Solutions (DSS) Digital Asset Solutions (DAS) Application Performance Solutions (APS) Origin Services
Powering a Better Internet © 2011 Akamai Advertising Decision Solution (ADS) A robust behavioral targeting solution that allows enterprises to increase advertising revenues and results with precise real-time marketing. ADS categories: ADS Predictive Segments ADS Descriptive Segments
Powering a Better Internet © 2011 Akamai A group of solutions focused on accelerating dynamic sites with personalized content and Web 2.0 technologies. Solutions within DSS include: Dynamic Site Accelerator (DSA) DSA Enterprise Dynamic Site Solutions (DSS)
Powering a Better Internet © 2011 Akamai A range of solutions to better manage, control, deliver, monetize and track digital assets leveraging the Internet. Solutions within DAS include: Akamai HD Network Akamai Media Delivery Electronic Software Delivery (ESD) Stream Analyzer Digital Asset Solutions (DAS)
Powering a Better Internet © 2011 Akamai Digital Asset Solutions (DAS) A range of solutions to better manage, control, deliver, monetize and track digital assets leveraging the Internet. Solutions within DAS include: Akamai HD Network Akamai Media Delivery Electronic Software Delivery (ESD) Stream Analyzer
Powering a Better Internet © 2011 Akamai A set of solutions that improve business to business and business to employee applications. Solutions within APS include: Web Application Accelerator (WAA) IP Application Accelerator Site Analyzer Application Performance Solutions (APS)
Powering a Better Internet © 2011 Akamai Origin Services A set of solutions that improve the availability and responsiveness of origin servers and provides insights about end users’ geographic location. Commonly used origin products include: Global Traffic Management Enhanced DNS (EDNS) EdgeScape
Powering a Better Internet © 2011 Akamai Lesson 3: Akamai EdgeControl
Powering a Better Internet © 2011 Akamai Akamai EdgeControl – What is it? An extranet portal that allows customers to: Control and manage content Monitor and report on Internet traffic Troubleshoot content delivery issues Demo
Powering a Better Internet © 2011 Akamai Akamai EdgeControl - Features Intuitive service based navigation Summary Views Reporting Alerting Performance and Usage Monitoring Training, Troubleshooting, and Support
Powering a Better Internet © 2011 Akamai Akamai EdgeControl Tools Content Refreshing Tools: Used to refresh cached content on the Akamai server network. Configuration Manager: Used to configure how Akamai edge servers: request content objects from your origin, cache or process those objects, serve content to the requesting client. Diagnostic Tools: Used to diagnose content delivery problems. Demo
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