> For the complete documentation index, see [llms.txt](https://dgtnetwork.gitbook.io/dgt-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://dgtnetwork.gitbook.io/dgt-docs/3.-dgt-architecture/3.6-data-centric-model/3.6.5-dag-synchronization.md).

# 3.6.5 DAG Synchronization

As part of the work to synchronize DAG, the following modes are implemented through permalinks:

* Incremental synchronization (updating transactions one by one as they are attached to an existing DAG)
* A full update (downloading the entire database as a binary object) may be necessary when joining a node without a database to an already running cluster.