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Yeah that Lambda setup you mention is terribly cheap, and it is one of the very few extremely attractive services pricewise - but many people get lured into usi

Yeah that Lambda setup you mention is terribly cheap, and it is one of the very few extremely attractive services pricewise - but many people get lured into using other AWS services that aren't cheap, even though Amazon makes people think so by blurring the total price by splitting it into hours, calculating egress separately, dependencies on services that are billable by the hour (it's not obvious when you start that a private network has the cost of an NAT GW attached to it). Using only Lambda is really cost effective but frankly, few people resist the temptation and use it the way you described.

nucleardog 3y ago
> it's not obvious when you start that a private network has the cost of an NAT GW attached to it It’s not actually required. And I don’t mean the completely unrealistic “if you run stuff on your private network that never needs to connect to the internet, then you don’t need a NAT gateway!”. I just mean you can implement routing to the internet in cheaper ways. If you don’t need 100Gbps highly available outbound traffic routing like a NAT gateway provides… you run a t3.nano instance doing forwarding and NAT that will sustain 30Mbps and burst to 5Gbps for $3.80/mo. Just on raw bandwidth, unless you need more than a t3.large can push (~500Mbps continuous, 5Gbps burst), it’s cheaper to run an EC2 instance as your gateway rather than use a NAT gateway.