anchor.diff:  The advantage of running Docker images in the cloud, rather than cloud-specific images is that the Docker
   images are the same across different clouds, whereas cloud images are always specific to a given cloud.
   
  -The predefined docker image we'll use is https://hub.docker.com/r/belaban/jgroups]. It contains a number
  +The predefined docker image we'll use is https://hub.docker.com/r/belaban/jgroups. It contains a number
   of interactive <<demos>>, ie. demos which require a TTY.
   
   The difference between running locally, or running in a cloud lies in the JGroups configuration and the Docker
  
positive.code: Which type of network is used is defined by the `--network` option, e.g. `--network=host`.
  
  Network `none` has no communication to the outside world and is used purely for Docker containers running on the same
  box.
  
  Network `bridge` is the default and can be used for containers to talk to each other. This is done via a `bridge0` or
  `docker0` virtual network interface installed by Docker on the host.
  
  
  ** Local
  
negative.code: :toc:
  :status:
  
  
  == Overview
  This document describes how to use JGroups in Docker containers to form clusters locally,
  on Amazon Web Services (AWS) and in the Google cloud (Google Compute Platform, GCP).
  