遠程過程調用
Multi tool use
| 網際網路协议套組 |
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應用層
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- BGP
- DHCP
- DNS
- FTP
- HTTP
- IMAP
- LDAP
- MGCP
- NNTP
- NTP
- POP
- ONC/RPC
- RTP
- RTSP
- RIP
- SIP
- SMTP
- SNMP
- SSH
- Telnet
- TLS／SSL
- XMPP
- 更多...
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傳輸層
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- TCP
- UDP
- DCCP
- SCTP
- RSVP
- 更多...
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網路層
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IP
- ICMP
- ICMPv6
- ECN
- IGMP
- OSPF
- IPsec
- 更多...
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連結層
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- ARP
- NDP
Tunnels
- PPP
MAC
- 更多...
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远程过程调用（英语：Remote Procedure Call，縮寫為 RPC）是一个计算机通信协议。该协议允许运行于一台计算机的程序调用另一台计算机的子程序，而程序员无需额外地为这个交互作用编程。如果涉及的软件采用面向对象编程，那么远程过程调用亦可称作远程调用或远程方法调用，例：Java RMI。
历史起源
有关RPC的想法至少可以追溯到1976年以“信使报”（Courier）的名义使用。RPC首次在UNIX平台上普及的执行工具程序是SUN公司的RPC（现在叫ONC RPC）。它被用作SUN的NFC的主要部件。ONC RPC今天仍在服务器上被广泛使用。
另一个早期UNIX平台的工具是“阿波罗”计算机网络计算系统（NCS），它很快就用做OSF的分布计算环境（DCE）中的DCE/RPC的基础，并补充了DCOM。
信息传递
远程过程调用是一个分布式计算的客户端-服务器（Client/Server）的例子，它简单而又广受欢迎。远程过程调用总是由客户端对服务器发出一个执行若干过程请求，并用客户端提供的参数。执行结果将返回给客户端。由于存在各式各样的变体和细节差异，对应地衍生了各式远程过程调用协议，而且它们并不互相兼容。
標準化的溝通機制
为了允许不同的客户端均能访问服务器，许多标准化的 RPC 系统应运而生了。其中大部分采用接口描述语言（Interface Description Language，IDL），方便跨平台的远程过程调用。
参见
- 本地过程调用
- 行程間通訊
開放網路運算遠端程序呼叫（ONC RPC）
- DCE/RPC
- JSON-RPC
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