Also, in the US and Europe, weve reduced data transfer pricing in every tier. Weve added new pricing tiers in every region. Likewise, we are also pleased to announce that for our Content Delivery Network, Amazon CloudFront, were also lowering prices effective July 1, 2011. If you were transferring 500 TB in and 500 TB out a month, you will save 68% on transfer with the new pricing. For example, if you were transferring 10 TB in and 10 TB out a month, you will save 52% with the new pricing. On outbound transfer, you will save up to 68% depending on volume usage. That means, you can upload petabytes of data without having to pay for inbound data transfer fees. There is no charge for inbound data transfer across all services in all regions. New Data transfer prices for US-Standard, US-West and Europe regions (Effective July 1, 2011): Data Transfer Tiers We are also introducing new pricing tiers for our high volume users. Plus, we are slashing our pricing in each tier for outbound data transfer. Effective July 1, 2011, customers will not pay for any inbound data transfer. Today, we are pleased to announce that we’re lowering our pricing again for AWS data transfer. – New Lower Prices for Amazon CloudWatch Monitoring.– New Plans, Lower Pricing in AWS Premium Support.– Lower High Memory DB Instance Prices for Amazon RDS.– New Lower Prices for High Memory Double and Quadruple XL Instances.– Amazon CloudFront Lowers Prices with HTTPS Support.– New Lower Pricing for Outbound Data Transfer.– New S3 Pricing Tiers, Lower EC2 Pricing and Free Inbound Data Transfer promotion.– Announcing Lower Amazon EC2 Instance Pricing.– New Lower Price for Windows Instances with Authentication Services.– New Lower Prices for Amazon EC2 Reserved Instances.– New Lower Pricing Tiers for Amazon CloudFront.– New Tiered Pricing for Amazon S3 Storage.See the list of AWS’ announcements related to lowering prices: And indeed, AWS has reduced pricing more than a dozen times in the last 4 years. This is where pay-as-you-go pricing comes in handy.We are continuously working hard to drive down our costs and pass those savings back to our customers. You can play with on-demand instances until you get a feeling for the performance and then buy the corresponding reserved instance. The best method certainly is to just try them out. You might find this site helpful for finding the appropriate instance type for your purpose. Therefore, choosing the optimal instance type is key in minimizing your EC2 costs. The hourly rates for the instance types vary between $0.03 and $0.24 for reserved instances. Note that reserved instances are currently not available for Windows systems. I chose the one year term because three years is a long time in the always evolving cloud business. On an one year plan, the fee for reserving a High-CPU-Medium instance is $455 and on a three year term you pay $700. For a reserved instance of this type, you pay $0.06 per hour. I am using the High-CPU-Medium Linux instance type (1.7 GB of memory, 5 EC2 Compute Units, 350 GB storage), which costs $0.20 per hour as an on-demand instance. These fees heavily depend on the instance type (dependent on RAM, CPU power and operating system) you use and whether you purchase a reserved instance. The major cost factor certainly always is the EC2 instance. Charging for bandwidth usage per GB is a relic of the Internet stone age, in my opinion. Moreover, since traffic changes all the time, you always have to be vigilant and check your bandwidth costs regularly. Just in case a friendly hacker uses your server as a download server for his community, you are on the safe side until you recognize what's going on. However, it gives customers a safe feeling. This amount of traffic would cost $340 at Amazon! Of course, most users never use 1000GB, and that's exactly the reason why conventional providers can be so generous. If you rent a dedicated server or a VPS, 1000GB ore more are often already included in the monthly fees. In my view, external backups are absolutely necessary because if someone hacks your Amazon account, then you might lose all your data even if you have backups within cloud. I also download backups of the database and the screenshots every day, which equals up to 15% of my monthly bandwidth costs. I enabled HTML encryption in Apache after I moved to EC2, but this didn't really help because most of my traffic comes from the screenshots. In September, I paid about $15 for data transfer, which corresponds to approximately 90GB. However, in my case the bandwidth costs are a significant part of the overall monthly fees. One GB inbound data transfer costs $0.10 and one GB outbound traffic costs $0.17. One of the things I really dislike about EC2 are the bandwidth costs.
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