A commonly-used expression.

"As/since/given that the network is still at the fledgling stage..."

Reforming the State Without Changing the Model of Power?: ...
https://books.google.es/books?isbn=1317968387
Anton Oleinik - 2013 - ‎Business & Economics
In 2006, when I first wrote about new social movementsin Russia, 25 networks and coordinating structures were **at the fledgling stage** and were very weakly ...

Sandwell African and Caribbean Network Historically ...
www.sacmhf.co.uk/Sandwell African and Caribbean Net...
people. It is for these reasons and more that the idea for a network came into ... The Sandwell African and Caribbean **Network (SACN) is at the fledgling stage.**

SURVIVING YOUR FIRST YEAR IN NETWORK MARKETING: THE ...
https://books.google.es/books?id=4BWrBAAAQBAJ
Eduardo Tate
BURN OUT AND COMPETITION IN NETWORK MARKETING Eduardo Tate ... fixed on how you move past the **fledgling stage** of net marketing without falling foul ...

Software Defined Networking – Taking the Right Path - Telstra
www.telstraglobal.com/.../software-defined-networking-takin...
Dec 3, 2014 - Organisations can use SDN to dynamically allocate network ... corporate wide area network (WAN) and campus is **still at the fledgling stage**, but ...

Spanish term (edited): Debido al nivel prematuro de dicha red...

I think that a solution like this that avoids the use of "stage" or "early"/"fledgling"/"nascent", etc. in the translation preserves the intended sense in far more natural English.