# Data storage
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|  TELCOCOST04: How are you optimizing the data storage costs for your network infrastructure?  | 
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 This question focuses on optimizing the data storage costs associated with a telco's network infrastructure. Data storage can be a significant cost driver for telcos, as they need to manage large volumes of data from various network elements, customer records, billing systems, and more. 

**Topics**
+ [TELCOCOST04-BP01 Choose the appropriate type of storage for network functions backups, metrics, KPIs and the event records to reduce costs](telcocost04-bp01.md)
+ [TELCOCOST04-BP02 Use ETSI ENI based architectures to implement intelligent network slicing](telcocost04-bp02.md)