isa-notes's posts


page 3 of 4

isa-notes DASH, HLS comparison
972×780 (32.1 kiB)

source: https://www.gumlet.com/learn/hls-vs-dash/ see also https://www.cloudflare.com/learning/video/what-is-mpeg-dash/


isa-notes RTP header
609×203 (11.1 kiB)

random obrazek z googlu idk jestli odpovida realite snad jo


isa-notes RTP sessions & payload type
1080×1706 (229.8 kiB)

odpověď na otázku: „Jak zjistíme typ multimediálních dat v RTP?“ (RTP má v hlavičce pole „payload type“)


isa-notes PAT, PMT tables
1080×813 (74.7 kiB)

screenshot z wikipedie


isa-notes The program association table (PAT) lists all programs available in the transport stream. Each of the listed programs is identified by a 16-bit value called program_number.

isa-notes PMTs contain information about programs. For each program, there is one PMT.

isa-notes IP distribution by country
850×692 (21.2 kiB)

MaxMind, 2011


isa-notes H.323 ans SIP comparison
1021×829 (121.5 kiB)

Obrázek je z knihy Tanenbaum, Feamster, Wetherall, Computer Networks, šesté vydání


isa-notes H323 protocols
1439×624 (61.1 kiB)

source: MOONYROS


isa-notes H323 parts
1443×686 (69.9 kiB)

source: MOONYROS


isa-notes IPv4 assignment by country
700×350 (34.6 kiB)


isa-notes FCAPS model
694×515 (19.9 kiB)

FCAPS model je jeden ze standardů pro správu sítí. Další jsou napříklat X700 nebo SNMP (RFC 1157)


isa-notes Fault management - např. Zabbix

isa-notes Configuration management - např. Ansible

isa-notes Accounting - např. na základě NetFlow

isa-notes Performance management - např. SolarWinds nebo PRTG

isa-notes Security management - např. firewally (ufw 💪) a bezpečnostní audity