Computer Networks - Computer Performance Indicators

content 1. Broadband speed Rate conversion in real network 2. Bandwidth 3. Throughput 4. Delay The difference between transmission delay and propagation delay 5. Delay-bandwidth product 6. Round-trip time Seven, network bandwidth utilization Computer performance indicators: rate, bandwidth, throughput, delay, delay-bandwidth product, ...

Posted by igorek on Wed, 18 May 2022 06:42:55 +0300

Use mesh, Lora and NB communication methods to quickly build Internet of things solutions for shared parking spaces

1, Foreword This paper mainly discusses how to quickly realize the networking scheme analysis of shared parking spaces based on Internet of things technology. If you want to be able to quickly build its prototype, you can choose shineblink Com. As a special development board for the Internet of things, the development board has simple pr ...

Posted by derwert on Wed, 04 May 2022 04:33:42 +0300

SSL secure network communication under computer

SSL Secure Socket Layer SSL Secure Socket Layer is developed by Netspace to ensure the integrity and confidentiality of data transmission on the Internet. The current version is 3.0, and the latest version is TLS1.2 Transport Layer Security. The difference between TLS and SSL is minimal and can be understood as an updated version of SSL. ...

Posted by kevincro on Sun, 01 May 2022 21:31:08 +0300

[TCP/IP] [debugging] list of DOS commands related to Windows common network

preface When debugging TCP/IP functions, it is inevitable to deal with Windows system and do some network related operations. This paper combs the commonly used network related Dos commands in Windows environment. By command ipconfig ip related configuration tools, similar to ifconfig command in Linux system; ping It may be the network co ...

Posted by logicsound on Sat, 16 Apr 2022 06:30:56 +0300

Explain the basic implementation of TCP and UDP programs and the development of multithreaded concurrent server (Java)

1, What is network programming The so-called network programming is to realize the communication between hosts in the network 1. In the whole communication process, there are generally two kinds of endpoints: server and client 2. There are two modes of program development around the server and client: C/S structure (two sets of programs nee ...

Posted by coolfool on Mon, 11 Apr 2022 19:35:01 +0300

java network programming

Network Communications 1.1 Overview Two major issues in network communication: How to accurately locate one or more hosts on the networkHow to communicate when a host is found 1.2 Elements of network communication Address of both parties: IP (ip class)Port number (udp and tcp classes) For example, 192.168.16.124:5900 Rule: Protocol for ...

Posted by ugh82 on Tue, 05 Apr 2022 20:20:50 +0300

Java Foundation Series: Socket programming

Earthly Wanderer: a procedural ape focusing on technical research Speaking of the previous words The theoretical basis without actual combat cases is playing hooligans, so today we mainly want to deepen our understanding of the past through the cases here In this section, we will implement a point-to-point chat applet step by step So ...

Posted by ~n[EO]n~ on Thu, 31 Mar 2022 15:57:02 +0300

[Python] network programming -- sticking package -- the ultimate version

Let's start with a review of knowledge points: If you execute the command, you must use the subprocess module we have learned, but note: res = subprocess.Popen(cmd.decode('utf-8'),shell=True,stderr=subprocess.PIPE,stdout=subprocess.PIPE) The code of the command result is based on the current system. If it is windows, res.stdout What read() ...

Posted by Ne.OnZ on Wed, 30 Mar 2022 21:44:46 +0300