AWS Certified Solutions Architect - Associate
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A company is designing the network for an online multi-player game. The game uses the UDP networking protocol and will be deployed in eight AWS Regions. The network architecture needs to minimize latency and packet loss to give end users a high-quality gaming experience.
Which solution will meet these requirements?
Other
Community
UAnonymous
A
Setup a transit gateway in each Region. Create inter-Region peering attachments between each transit gateway.
B
Set up AWS Global Accelerator with UDP listeners and endpoint groups in each Region.
C
Set up Amazon CloudFront with UDP turned on. Configure an origin in each Region.
D
Set up a VPC peering mesh between each Region. Turn on UDP for each VPC.
Explanation:
Explanation
Correct Answer: B - Set up AWS Global Accelerator with UDP listeners and endpoint groups in each Region.
Why AWS Global Accelerator is the Best Solution:
-
UDP Protocol Support: AWS Global Accelerator supports both TCP and UDP protocols, making it ideal for real-time applications like online gaming that use UDP for faster, connectionless communication.
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Global Traffic Optimization: Global Accelerator uses the AWS global network backbone with Anycast IP addresses, which automatically routes traffic to the optimal AWS endpoint based on:
- Network conditions
- Geographic proximity
- Endpoint health
- Routing policies
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Reduced Latency and Packet Loss: By using AWS's private global network infrastructure, Global Accelerator:
- Minimizes internet hops
- Reduces packet loss
- Provides more consistent network performance
- Optimizes routing paths
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Multi-Region Deployment: With endpoint groups in each of the eight regions, Global Accelerator can intelligently route users to the closest healthy endpoint, ensuring low latency for gamers worldwide.
Why Other Options Are Not Optimal:
A. Transit Gateway with Inter-Region Peering:
- While this creates connectivity between regions, it doesn't optimize end-user access
- Users still connect through the public internet to the nearest region
- Doesn't provide the same level of global traffic optimization
C. Amazon CloudFront with UDP:
- CloudFront is primarily designed for HTTP/HTTPS content delivery
- While it supports some UDP use cases, it's not optimized for real-time UDP gaming traffic
- CloudFront is better suited for static/dynamic web content, not real-time gaming
D. VPC Peering Mesh:
- VPC peering only connects VPCs, not end users
- Doesn't optimize user-to-AWS connectivity
- Inter-region VPC peering still uses the public internet backbone
- Complex to manage with 8 regions (would require 28 peering connections)
Key Benefits for Gaming Applications:
- Consistent Performance: AWS's global network provides more predictable latency
- Traffic Management: Can implement traffic dials to shift users between regions
- Health Monitoring: Automatic failover to healthy endpoints
- DDoS Protection: Integrated with AWS Shield for DDoS mitigation
For real-time multiplayer gaming that requires minimal latency and packet loss, AWS Global Accelerator is specifically designed to optimize global application performance by leveraging AWS's private global network infrastructure.
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