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Product Name
CF
Publisher Page
CloudFoundry
Category
Cloud
Release
TKU 2018-Feb-ADDM-11.3
More Information
Publisher Link
CloudFoundry

Product Description

Architecture

The Cloud Controller Bridge (CC-Bridge) components translate app-specific requests from the Cloud Controller to the Diego Database. These components include the following:

  • Stager

    • Translates staging requests from the Cloud Controller into generic Tasks and LRPs
    • Sends a response to the Cloud Controller when a Task completes
  • CC-Uploader

    • Mediates uploads from the Rep to the Cloud Controller
    • Translates simple HTTP POST requests from the Rep into complex multipart-form uploads for the Cloud Controller
  • Nsync Bulker

    • Periodically polls the Cloud Controller for each app to ensure that Diego maintains accurate DesiredLRPs counts
  • Nsync Listener

    • Listens for app requests
    • Updates and creates the DesiredLRPs count and updates DesiredLRPs through the BBS
  • TPS Listener

    • Provides the Cloud Controller with information about currently running LRPs to respond to cf apps and cf app APP_NAME requests
  • TPS Watcher

    • Monitors ActualLRP activity for crashes and reports them the Cloud Controller
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