Dell 3-DNS - Page 111

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Configuring a Content Delivery Network

3-DNS

Administrator Guide 7 - 3

CDN provider (2C). The CDN provider’s DNS server responds with the IP

address of the best virtual server for resolution among those in the CDN

(2D). The CDN provider’s cache servers resolve to the origin site virtual

servers for cache refreshes using a different domain name

(origin.download.siterequest.com).

Figure 7.2 DNS query resolution to content delivery network provider

Main Page

Legal Notices3
Fcc Compliance3
Product Version3
Table of Contents9
Introduction15
Important Hardware Information15
Getting Started15
- Choosing a Configuration Tool16
- Configuration Utility16
- Browser Support17
Using the Administrator Kit17
- Stylistic Conventions18
What Is the 3-DNS Controller19
- Internet Protocol and Network Management Support20
- Security Features20
- Configuration Scalability20
- System Synchronization Options21
- Configuring Data Collection for Server Status and Network Path Data21
- Redundant System Configurations21
What's New in Version 4.523
- Automatic Discovery23
- Easy System Account and Password Creation23
- Enhanced Synchronization23
- Expanded Statistics24
- Multi-Homing and Firewall Support24
- Security Enhancements24
Finding Help and Technical Support Resources25
Planning the 3-DNS Configuration27
Managing Traffic on a Global Network29
- Understanding a Basic 3-DNS Configuration29
- Synchronizing Configurations and Broadcasting Performance Metrics30
- Using a 3-DNS Controller as a Standard DNS Server31
- Load Balancing Connections Across the Network32
- Working with 3-DNS Controllers and Other Products32
Planning Issues for the Network Setup34
- Configuring the Base Network34
- Defining Data Centers and Servers35
- Planning a Sync Group35
- Setting up Communications on a 3-DNS Controller36
Choosing the 3-DNS Mode38
- Running a 3-DNS Controller in Node Mode38
- Running a 3-DNS Controller in Bridge Mode or Router Mode39
Planning Issues for the Load Balancing Configuration40
Using Advanced Traffic Control Features40
Using the Setup Utility41
Creating the Initial Software Configuration with the Setup Utility43
Connecting to the 3-DNS Controller for the First Time44
- Running the Utility from the Console or Serial Terminal44
- Running the Setup Utility Remotely44
Using the Setup Utility for the First Time47
- Keyboard Type47
- Root Password47
- Host Name48
- Redundant System Settings48
- Setting the Interface Media Type49
- Configuring Vlans and IP Addresses49
- Configuring a Default Gateway Pool50
- Configuring Remote Web Server Access50
- Configuring Remote Administrative Access51
- Setting Support Access52
- Setting the Time Zone52
- Configuring NTP Support52
- Configuring the 3-DNS Mode53
- Configuring User Authentication53
- Configuring Namesurfer for Zone File Management55
Running the Setup Utility after Creating the Initial Software Configuration56
- Options Available Only through the Setup Utility Menu57
Post-Setup Tasks61
Introduction63
Configuring the Interfaces64
- Understanding the Interface Naming Convention64
- Displaying Status for Interfaces64
- Setting the Media Type65
- Setting the Duplex Mode65
Working with Vlans66
- Default VLAN Configuration66
- Creating, Renaming, and Deleting Vlans67
- Configuring Packet Access to Vlans69
- Configuration Procedures70
- Setting up Security for Vlans71
- Setting Fail-Safe Timeouts for Vlans72
- Setting the MAC Masquerade Address73
Configuring a Self IP Address74
Essential Configuration Tasks77
Reviewing the Configuration Tasks79
Setting up a Basic Configuration80
Setting up a Data Center81
Setting up Servers83
- Defining 3-DNS Controllers83
- Defining BIG-IP Systems84
- Defining a BIG-IP System with the 3-DNS Module85
- Defining a Router86
- Defining EDGE-FX Systems87
- Defining Host Servers88
- Configuring Host SNMP Settings90
Working with Sync Groups91
- Configuring Sync Groups91
- Setting the Time Tolerance Value92
Overview of Auto-Configuration93
Configuring Global Variables95
Configuring a Globally-Distributed Network97
Understanding a Globally-Distributed Network99
Using Topology Load Balancing100
Setting up a Globally-Distributed Network Configuration100
- Adding Data Centers to the Globally-Distributed Network Configuration101
- Adding 3-DNS Controllers to the Globally-Distributed Network Configuration101
- Adding BIG-IP Systems to the Globally-Distributed Network Configuration102
- Adding Wide Ips to the Globally-Distributed Network Configuration103
- Configuring Topology Records for the Globally-Distributed Network Configuration104
Additional Configuration Settings and Tools105
- Setting Limits Thresholds105
- Other Resources106
  - Monitoring System Performance106
  - Viewing Your Configuration106
Configuring a Content Delivery Network107
Introducing the Content Delivery Network109
- Using the 3-DNS Controller in a CDN109
- Reviewing a Sample CDN Configuration110
Deciding to Use a CDN Provider112
Setting up a CDN Provider Configuration113
- Adding Data Centers113
- Adding 3-DNS Controllers113
- Adding Load Balancing Servers114
- Adding Wide Ips and Pools114
- Adding a Topology Statement116
Ensuring Resource Availability117
Monitoring the Configuration118
Working with Quality of Service119
Overview of Quality of Service121
Understanding QOS Coefficients122
Customizing the QOS Equation123
Using the Dynamic Ratio Option126
Working with Global Availability Load Balancing129
Overview of the Global Availability Load Balancing Mode131
Configuring the Global Availability Mode133
- A Global Availability Configuration Example135
- Running the 3Dns_Add Script137
Adding a 3-DNS Controller to an Existing Network137
Working with Multiple 3-DNS Controllers139
Preparing to Add a Second 3-DNS Controller to Your Network140
- Installing the Hardware and Running the Setup Utility140
- Making the Existing 3-DNS Controller Aware of the Additional Controller141
- Verifying the Configuration142

Dell 3-DNS - Page 111

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