Hi All,
We are in the process of estimating the infrastructure required to deploy Apigee on premises. The required topology will have a primary datacentre where the majority of the API requests will be serviced from and 8 regional data centers that will also need to support API requests.
The deployment models in the Apigee documentation has too large a footprint to support this kind of model and I was hoping for guidance on alternative multi regional deployment models or alternatively how we could go about reducing the infrastructure footprint required.
Regards
Nisch
Yes, I think you're imagining a multi-datacentre installation of Apigee Edge with redundancy and failover among all those datacentres. And often that is too heavyweight, too much infrastructure to support a relatively modest load of requests.
Some possibilities for you.
@Dino thank you for your feedback.
Since posting the question, we have also debated the merits of having a fully redundant and failover capability in each region in deemed it probably too much of an investment considering the anticipated volumes.
We are leaning towards having micro-gateway instances in each of the non-primary regions.
Some follow up questions I'm hoping for assistance on:
1. Is there a recommended baseline size for the micro gateway (in terms of number of cores, RAM and storage for each server). I ask because I did not see any in the micro gateway documentation.
2. Which of the API Edge components (Management UI, Cassandra, Zookeeper, QPID Server, Router, Message Processor, etc.) are in use by the micro gateway. My understanding is that analytics (QPID and Postgres) are not part of it and it works with the edge instance to upload analytics but are there any other differences in components?
3. You mention 3 instances. Due to the number of regions, we were planning to go with 2 in each region for failover, do you foresee issues with this?
Apologies for the number of questions.
Regards,
Nisch
@dino. Thanks. This definitely helps clear things up.
One other question relating to disaster recovery. The plan is to go with the 12 node deployment of edge across two data centres to provide for the DR of the primary instance.
From my very limited understanding of how the edge and micro gateway instances work together, I would think that this setup would sufficiently provide DR for the regional micro gateway deployments as well as all the configuration is obtained from what is in edge?
Regards,
Nisch
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