Comtech EF Data FX Series Administrator Guide - Manual (Page 31)

Comtech EF Data / Stampede
FX Series Administration Guide - Version 6.1.1 31
Chapter: Overview - FX Series
Section: Two-Sided Solution
MN-FXSERIESADM6 Rev 5
1.4.7 Multicator
Theory of Operation
A powerful new content distribution system can now be set up with the “Multicator” feature. This
feature allows a user to upload a file to an FX Series device via ftp, the file is then reliably multicast to a
group of receivers. The receivers then upload the content to a local ftp server. The Multicator employs
the “Content Distribution Control Protocol” (CDCP) to ensure that only one multicast transmission is in
progress.
Figure 1-1 FX Series Multicator Theory of Operation
Sequence of Events
1 Files are deposited on the Remote Sender (Site D) using a standard FTP client
2 The Sender then notifies the Controller that it has data to send and is granted permission to
reliably multicast the data across the WAN
3 Under control of the Multicator Controller, the Sender establishes a reliable multicast connection
to the Receivers.
4 The Sender sends the file to each of the Receivers (Sites A, B, C, and E)
5 Each Receiver verifies receipt to the Controller
6 Each receiver FTPs the file to the respective server.