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# System prepended metadata

title: 5G-P4 演算法開發

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# 5G-P4 演算法開發

## 1. SCTP
Resource:
http://osnet.cs.nchu.edu.tw/powpoint/TCPIP94_2/Chapter%2013.pdf
https://opennetworking.org/wp-content/uploads/2020/12/p4_d2_2017_p4_16_tutorial.pdf

chunk-> data / other
varbit -> 將Payload直接parse起來
_true, _false, _join ?

## 2. NGAP/NAS


counter -> 檢查counter 是0則 cnt +1