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Understanding AWS WAF WCU: Capacity Limits vs. Real Cost Drivers
AWS WAF has a small concept that confuses almost everyone the first time they see it in the console: WCU, short for Web ACL Capacity Units. The screen makes it look like a usage meter, and the values beside managed rule groups can feel like they are directly tied to billing. Most of the time, they are not. WCU is best understood as a sizing system. It tells you how “heavy” a rule or a managed rule group is in terms of inspection complexity, and it determines whether your full
sandeep karnik
Jan 155 min read


AWS EC2 - Purchase options - a comparison
Amazon Web Services (AWS) Elastic Compute Cloud (EC2) is a popular cloud computing service that allows users to rent virtual computing...
sandeep karnik
Feb 22, 20235 min read


AWS Serverless Solutions: A Game Changer
What are Serverless Solutions The term "serverless" is a misnomer, as servers are still involved in running a serverless application....
sandeep karnik
Feb 5, 20233 min read
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