Studio for MV

Professional Light sets, Camcorders, as well as monitors, are the most important parts for cool production like MV. Other environmental conditions are secondary considerations.

OTT infra

setting up an OTT infra could be pretty software-defined. therefore we may call it SDO : )

1. Ingest (Decoding) & Transcoding. the compute part, using ffmpeg to input or convert to suitable unified formats such as mp4 or rtmp or hls streams, then send to relay.
2. Relay. the storage part, using centralized relaying service as 'video pooling' for further distribution.
3. Encoding, the compute part again, using ffmpeg to send Live rtmp to vendors such as YouTube, Facebook. Or simply hosting nginx for VOD.
4. Controller, the SSO and DB part, could simply be an OS console.

vxlan vs switchd

After watching 'An OpenFlow implementation for OpenBSD', then realize vxlan as an interesting network virtualization on layer 2 over layer 3. switchd as an implementation for OpenFLow SDN.

REF: https://www.youtube.com/watch?v=Cuo0qT-lqig&list=WL&index=1

ffmpeg continuous playlist

we may use the syntax below to playback some files continuously.

ffmpeg -i list1.txt

Then we may also include list2.txt in list1, and loop all files?

SSD cache

Using SSD as cache for HDD I/O can obviously improve performance. Your hardware or software must enable or support this feature.

• SSD 1:5 HDD as cache, but NVMe as 1:12.
• Durable with Intel or Samsung SSD.
• RAID加速可測量標準是IOPS，即I/O per second. 測量這個就可以知道，目前用的硬體夠不夠我們剪輯用的I/O速度。

REF: https://zh.m.wikipedia.org/zh-tw/IOPS

Secutech Forum

Some notes for this Trend Micro hosted forum:

• deep defense between different solutions is hard because lack of API. syslog may be the only exchangeable method.
• pattern list is still the fastest way for ransomeware response until now.
• 88% of ransomeware from web come from banner ad!
• IBM Qradar as SIEM solution for log info integration platform.

IPMI for server monitoring

We may use IPMI for advanced monitoring of server hardware, including chasis, power supply unit (PSU), fans, etc. On linux, we can install ipmitools for this purpose. 

However, you may also need to run 'dmiencode' for checing IPMI support of your hardware. 

REF:
http://serverfault.com/questions/480371/ipmitool-cant-find-dev-ipmi0-or-dev-ipmidev-0