Network Service Tiers
1. Network Service Tiers
Next, let's talk about how network service tiers help boost your network performance. To illustrate this, consider the following scenario. Sarah, a network engineer at Symbol Corporation, is facing a challenge. Their video streaming platform is experiencing high latency and inconsistent performance, especially during peak hours. The current network infrastructure struggles to keep up with the growing number of global users. The user request traverses the Internet. Finally, the request arrives at the load balancer in Google Cloud. Google Cloud cannot control the user experience on the Internet, so the provider has no way to deliver low latency and great user experience. What can Sarah do to reduce latency and optimize performance? Network service tiers enable Sarah to optimize your Cloud network for performance by choosing premium tier or for cost with the new standard tier. What is the difference between these two tiers? The premium tier delivers traffic on Google's global network, providing high performance routing. If Sarah uses Google Cloud today, Sarah already uses the powerful premium tier. The standard tier alternatively offers an attractively priced network with a performance comparable to that of other major public Clouds. There are other differences between the two tiers. The SLA is 99.99% for premium and 99.9% for standard tier. Premium tier also supports regional and global external IPv4 addresses and standard tier supports regional external IPv4 addresses. Premium also allows for Google Cloud networking features and the standard tier provides a wide variety of foundational feature sets such as Cloud NAT, external application load balancer, and external pass through network load balancer. Why would Sarah choose the standard tier? Well, it all comes back to optimizing the Cloud network for performance by choosing premium tier or for cost with the standard tier. In other words, network service tiers allows Sarah to design the Cloud network her way. Let's explore each feature in network service tiers to better understand network performance and cost differences. Refer to the documentation for a detailed list. Premium tier delivers traffic on Google's premium backbone, while standard tier uses regular ISP networks. As you can see on this map, this network consists of an extensive global private fiber network with over 100 points of presence across the globe. Let's explore each network service tier to better understand network performance and cost differences. This information is subject to change. For more accurate and current details, please visit the link. See www.gcpn.com for information on latency displayed by region. In premium tier, inbound traffic from the end user to the video streaming application in Google Cloud enters Google's private high performance network at the pop closest to your end user, and Google Cloud delivers this traffic to your application over this network. Similarly, Google Cloud delivers outbound traffic from the application to end users on Google's network and exits at the pop closest to them, wherever the end users are across the globe. This means that most of this traffic will reach its destination with a single hop to the end users ISP, so it enjoys minimum congestion and maximum performance. Sarah could also use standard tier. Standard tier provides network quality that is comparable to other public Cloud providers, but lower than premium tier. Also, regional network services such as regional load balancing have one VIP per region. Standard tier is priced lower than premium because your traffic between Google Cloud and your end user is delivered over ISP networks instead of Google's Network. Now that you understand the differences in performance, let's get into cost. Premium tier pricing is based on both source and destination of traffic. This is because the cost of network traffic varies depending on the distance your traffic travels over Google's network. In contrast, standard tier traffic is source-based because it does not travel much over Google's network. This map illustrates that network service tiers categorizes all countries and continents into the listed geolocations. Depending on the origin and destination of traffic, costs will vary. We have gone over both the performance and cost differences between network service tiers. The decision tree will help Sarah decide on the tier that best meets the organization needs. For your specific workload or resource, what holds higher priority? Exceptional performance or cost optimization? The premium tier is the clear choice for performance. If cost is the main consideration, remember that the standard tier has other restrictions in addition to network performance. If you want to deploy your back ends, have users in multiple regions, but don't want to use the public Internet instead of Google's network for intercontinental and cross-regional traffic, you want to choose the premium tier. Also, if you want global load balancing or Cloud CDN, you need to use the premium tier. The standard tier is a great choice if you don't need any of those services and are okay using the public Internet instead of Google's network.2. Let's practice!
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