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The server was acting as a gateway or proxy and received an invalid response from the upstream server. 503 Service Unavailable The server cannot handle the request (because it is overloaded or down for maintenance). Generally, this is a temporary state. [26] 504 Gateway Timeout
In distributed computing, a remote procedure call (RPC) is when a computer program causes a procedure (subroutine) to execute in a different address space (commonly on another computer on a shared computer network), which is written as if it were a normal (local) procedure call, without the programmer explicitly writing the details for the remote interaction.
The general format of the field is: [2] X-Forwarded-For: client, proxy1, proxy2 where the value is a comma+space separated list of IP addresses, the left-most being the original client, and each successive proxy that passed the request adding the IP address where it received the request from.
Every NETCONF message is a well-formed XML document. An RPC result is linked to an RPC invocation by a message-id attribute. NETCONF messages can be pipelined, i.e., a client can invoke multiple RPCs without having to wait for RPC result messages first. RPC messages are defined in RFC 6241 and notification messages are defined in RFC 5277.
In distributed computing, a stub is a piece of code that converts parameters passed between the client and server during a remote procedure call (RPC). The main purpose of an RPC is to allow a local computer ( client ) to invoke procedures on a remote computer ( server ).
DCE/RPC, short for "Distributed Computing Environment / Remote Procedure Calls", is the remote procedure call system developed for the Distributed Computing Environment (DCE). This system allows programmers to write distributed software as if it were all working on the same computer, without having to worry about the underlying network code.
In the widely-used HTTP/1.1 protocol, the client and the server typically work in a half-duplex way. HTTP/1.1 also supports HTTP pipelining for full-duplex operation, but many servers/proxies couldn't handle it correctly, and there was no dialogue negotiation mechanism to check whether full-duplex is usable or not, so its support was eventually ...
Microsoft RPC (Microsoft Remote Procedure Call) is a modified version of DCE/RPC. Additions include partial support for UCS-2 (but not Unicode ) strings, implicit handles, and complex calculations in the variable-length string and structure paradigms already present in DCE/RPC.