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isa-notes

PAT, PMT tables


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.

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IP distribution by country


MaxMind, 2011


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H.323 ans SIP comparison


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


tmokenc

Christmas


https://music.youtube.com/watch?v=MXWTuX-QC00&si=nktIVoOdVRP39s01


tmokenc

mika



tmokenc

kotone



isa-notes

H323 protocols


source: MOONYROS


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H323 parts


source: MOONYROS


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IPv4 assignment by country



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FCAPS model


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