Using vDNS for routing trafffic, easy solution for traffic management

1. Advanced Traffic Management
vDNS
26 August 2019
Vu Tran

2. Content
- Concept Global Traffic Management
- How to Manage Traffic
- Introduction to vDNS
- Use Case

3. Global Traffic Management
Source: Akamai

4. Global Traffic Management
- DNS is an abstraction layer
- Smart answer to manage traffic

5. Global Traffic Management
- Failover: directs requests to an alternate location when there
is a failure at the primary site
- IP Intelligence — directs requests to a data center based on
geographic or IP rules
- Weighted — directs requests to data centers based on preset
percentage splits
- Any combination of the above

6. Global Traffic Management
- Policy rules that trade off between availability and
performance
- Load feedback - based on real time communication with the
customer’s premises, load policies can be modified
depending on actual data centers’ performance

7. Manage Traffic
- Load Balancing
- Network proxy to servers
- Content Delivering Networking (CDN)
- Fully managed distribution
- DNS Level
- More flexibility than CDN , multiple origins

8. Manage Traffic: Load balancer
1. DNS Level
2. Load Balancer layer 4
3. Load Balancer Layer 7

9. Manage Traffic: Content delivery
network (CDN)

10. Manage Traffic: DNS Level
Source: imperva

11. vDNS for Traffic Management
- Traffic Policy: a document which governs routing decisions
- Endpoints
- Rules Policy
- Monitoring rules
- Versioning

12. vDNS for Traffic Management
Currently we have:
3 Pops in Vinadata Cloud
This year will have more 10 pops in Viettel, VNPT and
Singapore

13. vDNS for Traffic Management
- Traffic Policy
- Endpoints
- Hybrid/low level infrastructure
- IP Address/CNAME
- Application Load balancer
- CDN

14. vDNS for Traffic Management
- Monitoring Rules:
- TCP/UDP port
- HTTP Status

15. vDNS for Traffic Management
- Traffic Policy
- Rules Policy : pipeline chain
- Failover: master - secondary
- Weighted
- Static score
- Latency response time
- Multivalue (Group healthy site)
- Datacenter (by group failover)
- Geolocation: region - country - city

16. vDNS for Traffic Management
- Traffic Policy
- Other Rules Policy
- On/Off By Timer
- by Vietnam ISP
- by type of Network: broadband,wifi,...

17. Usecase: Failover, high-available
Source: AWS

18. Usecase: Weighted, load balancing
Source: AWS

19. Usecase: GEO Location, regional content
Source: AWS