折腾：
【整理】搞清楚RCS和IMS的架构逻辑关系
期间，发现IMS架构本身，支持多种类型网络。所以此处去整理清楚具体逻辑。
Messaging SMSC, IP-SM-GW, and MMS Server
【总结】
- 名词解释
- SMS=Short Message Service
- CSFB=Circuit Switched Fall-Back
- EPC=Evolved Packet Core
- MAP=Mobile Application Protocol
- =Mobile Application Part
- CAP=Camel Application Protocol
- MME=Mobility Management Entity
- SGsAP=SGs Application Part
- VLR=Visitor Location Register
- MSRP=Message Session Relay Protocol
- MO=Mobile Originating
- MT=Mobile Terminating
- P-GW=PDN Gateway=Packet Data Network Gateway
- LTE-SAE=LTE-System Architecture Evolution
- LTE=Long Term Evolution
- eHRPD=evolved High Rate Packet Data
- HNB=Home Node B
- gNB=gNodeB=next Generation NodeB
- 不同实现
- GL
- GL’s SMS Test Suite for LTE, UMTS, and GSM Networks
- Wireless Network Simulation (5G, 4G, 3G, 2G, IP, TDM)
- 相关名词和术语
- 5GC Core – gNB, AMF, SMF, NSSF, UDM, AUSF, UPF
- 4G LTE – eNB, MME, SGW, PGW, HSS, EIR, PCRF, OCS & OFCS
- IMS – CSCFs, HSS, MGCF, MGW, AS, OCS & OFCS
- 3G – NB, HNB, HNBGW, RNC, MSC, SGSN, GGSN
- 2G – BTS, BSC, MSC, HLR, EIR, VLR, SMSC, GMSC
- TDM | PSTN – ISDN, ISUP, CAS [* requires additional PSTN Network setup]
- Supports IPSec, TLS, SRTP, and MSRP
- 2G 3G 4G COMMUNICATIONS NETWORKS
- Simulation of CSFB for Voice and SMS over SGs Interface
- Simulation of IP-SM-GW for SMS over IMS Network
- 其他
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