2. Explain the execution of Remote Procedure Calls shown in Figure 2.0. client messages server user calls kernel to send RPC message to procedure X From: client To: server (Port: matchmaker Re: address for APC X kernel sends message to matchmaker to find port number matchmaker receives message, looks up answer kernel places port Pin user APC message From: server To: client Port: kernel Re: RPC X Port: P matchmaker replies to client with port P daemon From: client To: server Port: port P listening to port Preceives message kernel sends RPC kernel receives reply, passes it to user From: APC Port: P To: client Port: kernel daemon processes request and processes send output Figure ? 0
2. Explain the execution of Remote Procedure Calls shown in Figure 2.0. client messages server user calls kernel to send RPC message to procedure X From: client To: server (Port: matchmaker Re: address for APC X kernel sends message to matchmaker to find port number matchmaker receives message, looks up answer kernel places port Pin user APC message From: server To: client Port: kernel Re: RPC X Port: P matchmaker replies to client with port P daemon From: client To: server Port: port P listening to port Preceives message kernel sends RPC kernel receives reply, passes it to user From: APC Port: P To: client Port: kernel daemon processes request and processes send output Figure ? 0
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
Related questions
Question
![2. Explain the execution of Remote Procedure Calls shown in Figure 2.0.
client
messages
server
user calls kernel
to send RPC
message to
procedure X
kernel sends
message to
matchmaker to
find port number
From: client
To: server
(Port: matchmaker
Re: address
for RPC X
matchmaker
receives
message, looks
up answer
kernel places
port Pin user
APC message
From: server
To: client
Port: kernel
Re: RPC X
Port: P
matchmaker
replies to client
with port P
From: client
To: server
Port: port P
<contents>
daemon
listening to
port P receives
message
kernel sends
RPC
daemon
kernel receives
reply, passes
it to user
From: APC
Port: P
To: client
Port: kernel
<output>
processes
request and
processes send
output
Figure 2.0](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F064c258d-ece3-4f18-bb67-4bb75525ac5d%2Fa00ae721-8ceb-4beb-97f9-1e9ce1cd1adb%2F5otofbp_processed.png&w=3840&q=75)
Transcribed Image Text:2. Explain the execution of Remote Procedure Calls shown in Figure 2.0.
client
messages
server
user calls kernel
to send RPC
message to
procedure X
kernel sends
message to
matchmaker to
find port number
From: client
To: server
(Port: matchmaker
Re: address
for RPC X
matchmaker
receives
message, looks
up answer
kernel places
port Pin user
APC message
From: server
To: client
Port: kernel
Re: RPC X
Port: P
matchmaker
replies to client
with port P
From: client
To: server
Port: port P
<contents>
daemon
listening to
port P receives
message
kernel sends
RPC
daemon
kernel receives
reply, passes
it to user
From: APC
Port: P
To: client
Port: kernel
<output>
processes
request and
processes send
output
Figure 2.0
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