VODSL provides a great opportunity for service providers in the data and voice communications market, including the exchange of free competition (cles) and the Voluntary Exchange Bureau (ILECS). It originated in the 1996 United States Telecommunications Organization of an action, and greatly promote the telecommunications industry competition and development.
Because of the growing demand for
database system based on the results of client/server system in 1994. In the past 20 years, with the rapid development of communication and computer technology, The Water Conservancy Information Center has gradually established a series of modern means, such as the collection, transmission, reception, processing, monitoring and on-line flood forecast, which has developed an important role in the national flood control and drought relief work. China's existing water information flood station mor
The company headquarters has just moved to the new office building, the new room and the old room through the optical cable connection. Internet exports in the old computer room, the new office Internet must go through the old room, two of the center of the room switch is the use of IP route connection. The default point is the gateway to the Unicom exit.
The old room has telecommunications and unicom two exports, of which unicom is as a common user
characteristic, the attack means highly intelligent, the technique is quite concealed. Now the means of attack will fuse some technical features, such as worms, viruses, trojans and so on, the scope of attack is more and more widespread, the harmfulness is more and more big. The use of kernel-level backdoor, covert channels, jump attacks, multi-layer springboard and other technologies to make the attack more covert, will provide a convenient botnet.
A third important feature is the increasing
idea is important for maintaining the original investment in the telecommunications network, which makes the network more fully utilized.
ADSL technology can become the current mainstream broadband fixed access technology, there are several reasons. First of all, in recent years, the construction of telecom backbone network, especially the construction of optical fiber network, so that the transmission network has a very high bandwidth,
variety of colors or independent transparent label folder;
(2) Intelligent management of racks and cables.
(1) Wiring color identification management method, suitable for the integrated wiring System project scale is small, the user information point quantity is not many, the network structure is simple and is dispersed, only a few main lines or a few floor wiring frame, usually uses the color marking management plan.
(2) Wiring Intelligent management mode, apply to the integrated wiring syst
performance by using sort commands. Through the in-memory database, the disk I/O is reduced, and the traditional database with disk I/O is not comparable to the processing speed.Therefore, the application of the memory database technology can greatly improve the speed of the database, which provides a strong support for the application of database, such as telecom and finance, which need high-speed response.The memory database has much higher performance than disk database due to the fact that
Welcome to the network technology community forum, and interact with 2 million technical staff to enter the "hardware connection method" in the ISDN terminal device. This article is excerpted from the manual. This makes it easier for you to focus on setting up conversations. You need to make necessary preparations before installing the device. Usually, the Telecommunications Bureau will
Welcome to the network technology community forum and interact wi
Telecommunications Bureau, so the Telecommunications Bureau opened a 10 Mbps optical fiber connection to our school. The advice of the Telecommunications Bureau is to install two NICs for the computer that our school needs to directly access the e-government network, and set up two network gateways respectively to access the e-government network and Ineternet at
Telecom Business Support Report System solutionCurrent status of telecommunicationsToday, China Telecom in order to operate conveniently, using a number of systems for daily operation support, but in the operation faced with the following two difficulties:1: Not in time. New business, such as the opening of the Treasury, because the first design did not consider the business, the system can not timely statistics to the new business corresponding market response;2: Not fixed.
fiber access network (OAN) is divided into two types: Active Optical Network (AON) and Passive Optical Network (PON and PassiveOpticaOpticalNetwork.
Ii. Active Optical Fiber Access NetworkActive optical networks can be divided into SDH-based AON and PDH-based AON. CE (a local device of an active Optical Network) and RE (a remote device) are connected through an active optical transmission device. The transmission technology is a widely used SDH and PDH Technology in the backbone network, this a
the access network system on the server and the network edge. This means that the access network will be the most complex access network system in the future. It has become an important topic to smoothly evolve from the current network to the future communication network to meet the increasing needs of users and protect the investment of the Telecom Department in the past.
At present, transmission technology, packet exchange technology, network technology,
For general route users, it is very important to understand the static route table. We can solve some common problems in a timely manner. Our school has the following network environment. The 450 nodes in the school are divided into five subnets, and the network numbers of each subnet are 19216810 ~ 19216850, all gateways are 19216811. Each subnet accesses the R2600 egress router through the Huawei S2026B L2 Switch, And the egress accesses Interne through the optical fiber at a bandwidth of Mbps
This is a creation in
Article, where the information may have evolved or changed.
Go Language programming
Author
Xu Xiwei, wait.
Publishing house
People's post and telecommunications publishing house
Publication time
2012-08-01
Release
1
Pages
245
Printing time
2012-08-01
Folio
16 Open
Paper
Uncoated paper
Print runs
1
I S B N
97
best written in the country in recent years, so be sure to read it as a Bible.2, "Who said rookie will not data analysis (introductory article)" and "who said rookie will not data analysis (Tools)", Zhang Wenlin and so on. An entry-level book for beginners.3, "Statistics" fifth edition, Jia Junping and so on, Renmin University of China Press. A relatively good book of statistics.4, "Introduction to Data Mining," the full version, [Mei]pang-ning tan wait, Ming fan, such as translation, People's
in order to solve the problem that the north-South users visit the site across carriers slow, such as data center in Shanghai, the use of telecommunications link access, the general South is telecommunications, the north is a unicom user, then the user access to the North Unicom Telecom line Server slow, and vice versa. In order to solve this problem, the user will re-introduce Unicom's line, but how to rea
implemented using controls. On the one hand because the domestic network environment is not very stable, on the other hand, from the server load considerations.Some of our website users may use the network of telecommunications, some with the network of Unicom, some with the education network, some in the south of some in the north, this complex network environment causes them to visit the site of different speed. Some users fast speed, such as
.
3.
Title: Agile Software Development: Principles, models, and practices
Author: Robert C. Martin
Translator: Deng Hui
Published on: February 1, September 2003
Press: Tsinghua University Press
Recommended reason: Uncle Bob's most popular work. If you have read "Design Pattern" and "Reconstruction", we recommend that you continue to read this book, and your understanding of the design pattern will be upgraded to a level. Having mastered various design principles, we don't have t
, let's take a look at a real example. Communication in reality is also a communication. We also need an agreement for communication, let's take a look at what model we use for communication, the layered model or the message model. Communication is nothing more than telephone communication, letter communication, face-to-face communication, etc, let's take a call communication as an example. The call function is to span the space. For each call, the call function is to transmit one person's voice
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