1. Customer Premises Equipment Virtualization

2. Virtualization 1

3. Virtualization
Virtualization the creation of a virtual rather than actual version of a device
Internet of Things (IoT)
integration of the physical world into computer-based systems

4. Virtualization ETSI(European Telecommunications Standards Institute)
Network Function Virtualization (NFV)
design, deploy and manage a fully virtualized infrastructure

5. Traditional Home Enironment
Virtualized Home Enironment
STB/RGW
vSTB/vRGW

6. Pros & Cons of vSTB/vRGW
CAPEX Reduction
OPEX Reduction
Improved QoE
Reduced dependency on the CPE
Cons
Enormous amounts of cloud resources

7. Network Topology Source Video Transmission vSTB/vRGW Video Reception
Transcoding
Video Relay
PVR (Personal Video Recorder)
Destination
Video Reception
Video Projection

8. Inventory 2

10. OpenStack Services Compute Storage Networking Overview Dashboard
Command line interface (CLI)

11. OpenStack
Dashboard
CLI

12. RTP & RTCP Real-Time Transmission Protocol Payload Identification
Source Identification
Sequence Numbering
Timestamping
RTP Control Protocol
QoS Monitoring
Congestion Control
Identification
Session size estimation
Scaling

13. GStreamer API for multimedia applications Pipeline Architecture
Plugin Architecture
Protocol Handling
Extensible

14. Useful Libraries GLib Provide the main loop GTK+ GIO
Graphical User Interface
GIO
User network control

15. Implementation 3

16. Destination characteristics
Video Projection

17. Destination Implementation
Graphical User Interface
Interaction
PLAYING: State changing Destination → vSTB/vRGW → Source
PAUSE: State changing Destination → vSTB/vRGW → Source
START_RECORDING: Branch adding Destination → vSTB/vRGW
STOP_RECORDING: Branch removing Destination → vSTB/vRGW
UP: Caps modification Destination → vSTB/vRGW
DOWN: Caps modification Destination → vSTB/vRGW

18. vSTB/vRGW characteristics
Block Diagram

19. vSTB/vRGW characteristics
Video Recording branch
Adding branch:
Removing branch:
if (gst_pad_link (tee_save_pad, bin_pad) != GST_PAD_LINK_OK) { g_printerr ("Save-Tee could not be linked.\n"); gst_object_unref (pipeline); return -1; } //Set the bin state to PLAYING// gst_element_set_state (bin, GST_STATE_PLAYING);
/* remove the probe first */
gst_pad_remove_probe (pad, GST_PAD_PROBE_INFO_ID (info)); gst_object_ref (bin);
gst_bin_remove (GST_BIN (pipeline), bin);
gst_pad_send_event (bin_pad, gst_event_new_eos ()); gst_element_set_state (bin, GST_STATE_NULL);

20. vSTB/vRGW characteristics
Video Transcoding branch
Changing caps:
Caps specifications:
g_object_set (G_OBJECT(capsfilter), "caps", caps6, NULL);
resol ++;
g_print("Changing resolution to %d:\n", resol);
/* setting up the caps on videoscale elements caps6 = gst_caps_new_simple ("video/x-raw", "width", G_TYPE_INT, 640, "height", G_TYPE_INT, 360, NULL); caps5 = gst_caps_new_simple ("video/x-raw", "width", G_TYPE_INT, 360, "height", G_TYPE_INT, 280, NULL); caps4 = gst_caps_new_simple ("video/x-raw", "width", G_TYPE_INT, 280, "height", G_TYPE_INT, 240, NULL); …

21. Measurements 4

22. Quality comparison
High quality content
Low quality content

23. Network distribution
High quality content

24. Network traffic
However
Thus

25. Sum of network traffic
For the same stream:
thus:

26. Network distribution
Quality variations in content
Low Quality content

27. Sum of network traffic
For the transcoded stream:

28. Workload Distribution
High quality, no recording enabled
High quality with recording enabled

29. Workload Distribution
Low quality, no recording enabled
Low quality with recording enabled

30. Statistics Statistics reception
GstStructure *stats; gchar *str; /* get the source stats */ g_object_get (source, "stats", &stats, NULL); /* simply dump the stats structure */ str = gst_structure_to_string (stats); g_print ("source stats: %s\n", str);
Statistics publications

31. Conclusion
Reduced cost
Improved transition
Environment friendly