A/Gb mode -MS | Iu mode MS | A/Gb mode RAN | Iu mode RAN | A/Gb mode SGSN | Iu mode SGSN | Serving GW | GGSN | P‑GW | HLR | |
网络访问控制: | ||||||||||
注册 | X | |||||||||
鉴权和授权 | X | X | X | X | X | |||||
管理控制 | X | X | X | X | X | X | X | X | X | |
消息过滤 | X | X | ||||||||
数据包终端适配 | X | X | ||||||||
计费数据收集 | X | X | X | X | X | |||||
运营商决定的人工干预 | X | X | X | |||||||
包的路由和传递 | ||||||||||
中继 | X | X | X | X | X | X | X | X | X | |
路由 | X | X | X | X | X | X | X | X | X | |
地址转换和映射 | X | X | X | X | X | X | X | X | ||
封装 | X | X | X | X | X | X | X | X | ||
隧道 | X | X | X | X | X | X | ||||
压缩 | X | X | X | X | ||||||
加密 | X | X | X | X | X | |||||
移动性管理: | X | X | X | X | X | X | X | X | ||
逻辑链路管理: | ||||||||||
逻辑链路建立 | X | X | ||||||||
逻辑链路维护 | X | X | ||||||||
逻辑链路释放 | X | X | ||||||||
空口资源管理: | X | X | X | X | X |
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