1, TCP/IP Protocol Overview 1.1, OSI Reference Model and TCP/IP Reference Model the OSI protocol reference model is developed based on the recommendations of the International Organization for Standardization (ISO), from top to developmet into 7 tiers: Application layer, presentation layer, session layer, Transport layer, network layer, data link layer, physical layer. The TCP/IP protocol model, which distinguishes this from the beginning, follows a s
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An article:
The focus is1. Prevent message loss(1) The recipient receives a response(2) After sending and sending, if you fail to receive a response for a period of time, resend the message. If you do not receive a response for multiple resend attempts, exit2. Prevent response loss(1) If the response is lost, the sender resends the message. The receiver must determine whether the received message is repeated (the serial number is added to t
Course Overview:"The official price of 580 yuan, this site free download Oh Training Objectives: master the CSS, write the Web pages that meet the requirements, facilitate search engine collection. Use of common CMS, can use common CMS to quickly build their own needs of the site. Course Information:"Time" December 4, 2013"Object" People who love Program development, website design , website development, website construction Course Registration:¥ 580
field, especially firewall technique. as network game industry grows thritier, lots of plus for different game appeared. these plus has used data packet blocking technique, too. but the difference to the other packet blocking technique is that in plus technique, packet blocking technique must accomplish requirements such as, blocking Data favoringly, modify the data packet and then send them out again, etc. based on these requirements, we must achiev
The network teaching platform is a network teaching system for teachers and students, with the development of Jsp+xml+sql server, the system structure and function of the platform are analyzed in detail, and the key technology adopted in the design is introduced.
Keywords network; three-layer structure; teaching platf
OpenStack provides a wide range of network configuration environments. This article describes how to design a cloud system to consider and design network requirements.
If this is the first time you deploy a cloud system in your organization, please contact your network O M
in the article "javaandroid open Source Library code anatomy" のandroid-smart-image-view, we mention Android-async-http This open source Library, this article formally begins to detail this library's realization, simultaneously unifies the source code to discuss how to design an elegant Android network request frame. for some time, Android developers should be familiar with this library, because it's enc
Original Title: async javascript: build more responsive apps with less Code: (US) Bonham (Burnham, T .) translator: Xu qingsong series name: Turing Program Design Series Press: People's post and telecommunications Press ISBN: 9787115316578 Release Date: May 2013 published on: 32 Open page: 1 release: 1-1 category: more about computers, JavaScript asynchronous programming: designing fast-response network app
Introduction
An excellent network design is the foundation for building all successful network applications. This article is the first of four lectures, focusing on IP-based network design, because IP has actually become a standard desktop protocol. Applications supported by
9. The current business processing thread needs to contain heavy Work_socket objects, network processing and business mix in a
, the coupling is stronger, the network is the network, the network is the data channel, the business is the business, the business utilizes the data channel
General principles, so that busines
Turn from: http://blog.csdn.net/shreck66/article/details/49618331
1. Why application layer buffer is necessary in non-blocking network programming
The central idea of non-blocking I/O (which is understood here as non-blocking I/O plus t/o multiplexing) is to avoid blocking the current thread on I/O system calls, so that our I/O threads block only on I/O multiplexing functions (epoll_wait or Poll,select) Enable it to serve more connection sockets so h
Features of wireless network design for integrated networks
Wired and wireless Integrated Access Solution
The wired and wireless Integrated Access solution is the most typical application of Fit AP for wireless controllers. As the center for Wireless Data Control and forwarding, the wireless controllers are placed in the Central Data Center of the Internet, wireless access points are placed in office build
Like operating a local computer, you need to provide each network user with their own hard disk space, the user can log in after their own space management. Management is multifaceted, first users should be able to see all the content under their own folders, in addition to provide multi-level folder directory support.
The following examples include many of the features of the online hard drive, which will be introduced in a step-by-step way. First,
Just like operating a local computer, you need to provide each network user with a hard disk space. After logging on, you can manage your own space. Management is multidimensional. First, you should be able to see all the content in your folder. In addition, you need to provide support for multi-level folder directories.
The examples to be introduced below include many functions of "online hard disk", which will be introduced step by step. First, cre
Internet network integrated wiring and Internet cafes power system wiring is more complex, not only to consider the network wiring, but also take into account the installation of network equipment location, network communication media selection and other factors.
First, the networ
Design and Implementation of an Embedded Network Camera Based on AT91RM9200: 14:32:54
Source: Micro-Computer Information Author: Zhao yinwei Xie Shengli
1. IntroductionWithWith the rapid development of communication and network technologies, network-based remote real-time monitoring of important places has attracted th
Iosapp design for the network layer of iOS apps
In iOS development, it is common to request network data and process the obtained data. However, there is very little information about which layer of MVC should be used for network processing.
I googled the website and wrote down some links that I thought were quite go
Origin:Because I plan to develop a server similar to instant messaging, I need to plan the framework for future development. The most important solution is to connect the client to the server. As the number of customers increases (for example, 1 million), online and offline (for example, 10 thousand) at the same time will put a lot of pressure on the system. In addition, Server Load balancer should be considered.
Ideas:By learning the background load solution that MSN constantly improves when th
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