services, policies, security, processes) necessary for building high level and low-level designs. Cross checking Design - High Level Design: Preparation of high-level design guidelines. Preparing High level designs (HLD) Design - Low Level Design Preparation of low-level design guidelines. Preparing Low level designs (LLD) 7.2.4 Network Design - High Level Design Updates: Updating High Level Designs upon Change request (technical period. 7.2.5 Network Design - Low Level Design Updates: Updating Low Level Designs upon change request (technical
management methodologies, frameworks and best practices, as well as project management tools in a waterfall