For full details, including the address, and to RSVP see: http://www.meetup.com/Boston-MongoDB-User-Group/events/103390212/ For this meetup we'll be joining with the folks from the sipXecs User Group, a community of people dedicated to the development of the open source voice over IP telephony server. Topic Douglas Hubler, chief architect of the sipXecs project, will look at how they built tools to configure MongoDB in a variety of network topologies. In addition, a discussion about how single master systems are a good fit for communications based applications.