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Secure, high-performance and highly reliable platforms support advanced education and research applications BEIJING-Yunnan Academy of Art recently deployed Nortel network * [NYSE/TSX:NT] Comprehensive Campus Network solutions to build high-performance and highly reliable information platform to support advanced education applications. The new campus

Database optimization solutions and database solutions This article shares with you the database optimization solution for your reference. The specific content is as follows: 1. Use table partitionsPartitions physically separate data. Data in different partitions can be stor

isolation technology, encryption and authentication, network security vulnerability scanning, network anti-virus, network intrusion detection, and minimization, they must be considered in designing information security solutions and are the basis for formulating policies and technical implementation of information sec

between pod and pod.There are many options for the underlying communication protocol between flannel, such as UDP, VXlan, AWS VPC, and so on. As long as the flannel can be reached on the end. Source flannel packet, the target flannel unpacking, the final Docker0 see is the original data, very transparent, there is no sense of the middle flannel.Flannel installation configuration on the Internet is a lot of talk, here is not to repeat. One thing to note here is that Flannel uses ETCD as a

Under the influence of the global digital Wave, the construction of digital campus of colleges and universities has been paid much attention, and the University of China has been contacting digital campus construction from various aspects with the strong impetus of the construction of Chinese Educational Research Network (CERNET). In recent years, with the promotion and use of smart cards, a number of management functions and Community services, certi

1: HTML static 2: image server Separation 3: Database Cluster 4: Cache 5. Server Load balancer System Architecture of large, high-concurrency and high-load websites I set up a dial-up access platform in CERNET, developed it on the front-end platform of the load search engine in yahoo3721, and processed a large scale in the maopuCommunityThe architecture upgrade and other work of the maopu hodgedge, as well as their o

solutions. Solution 1: LAN/ATM route access This scheme requires an ADSLModemADSL router that integrates the routing function ). BAS is deployed on the carrier's backbone network and is responsible for IPv4 and IPv6 broadband access networks. Create an ATMPVC between the BAS and the ADSL Router. Both IPv4 and IPv6 can be transmitted through the same PVC in RFC1483/2684 mode. In this way, the configuration

Solutions to common problems of network administrators　1. Unable to establish connection because the line is disconnected　　1. Connect the WAN port of the router to the ADSLModem using a network cable, and connect the telephone Line to the "Line" Port of the ADSLModem. The connection between the ADSLModem and the Broadband Router should use a direct line.　　2. Chec

functional partitions. When using functional partitions, you need to create a copy of the production MySQL database for different purposes, such as one for the data warehouse and report, and the other for text search. Use Server Load balancer to make MySQL better If your slave database already has some read-only data, you may need to implement load balancing and evenly distribute the traffic to each slave

Here we will introduce the Oracle database optimization solutions and practices. Different environments may have different debugging procedures,However, there will also be differences, and we hope you can reasonably absorb them. I. Preface 2. ORACLE Database optimization Overview 1. Optimization of parameter configurations such as memory 2. Optimization of physic

Note: This article is the owner from the JDBC transaction version of the vast number of friends to extract the questions and solutions, if you think the content of this article has offended your interests, please contact the administrator to make changes. JBuilder several issues to be aware of when connecting Oracle 9i correctly Oracle8 above should all use the Classes12.jar file as JDBC driver; Correctly set up the enterprise Setup

Common Oracle Database Problems and Solutions In the process of using Oracle databases, we often encounter one or another problems. These problems often confuse us. In this article, we have summarized some problems in the use of Oracle databases, the solution is provided. Next we will analyze these problems. 1. Stop the oracle listener immediately after it is started. TNS-12545: the connection failed becaus

UnixORACLE_XA:XAOSW: .....First: After Windows Oracle_xa and XAOSW are semicolon ";", not colon ":"Second: The above Lib write on a line, the middle with a space apart, if not in the system environment variable set oracle_home, write absolute path. ' Java.sql.SQLException:IO exception, not in streaming mode ' when JDBC operates Oracle database With Oraclestatment, don't use java.sql.Statment. If Setautocommit fails for an existing connection, clos

Oracle database is often encountered in the use of such or such a problem, and these problems often confuse us, we summarized the Oracle database in the use of some of the problems, and the solution, we begin to analyze these issues. First, after the Oracle listens to start, stops immediately. TNS-12545: Connection failed because the target host or object does not exist. TNS-12560:TNS: Protocol adapter e

= (ADDRESS_LIST= (ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC0)) ) (ADDRESS_LIST= (ADDRESS=(PROTOCOL=TCP)(HOST=woody)(PORT=1521)) ) ) ) SID_LIST_LISTENER= (SID_LIST= (SID_DESC= (SID_NAME=PLSExtProc) (ORACLE_HOME=C:/oracle/ora92) (PROGRAM=extproc) (ENVS="EXTPROC_DLLS=ANY") ) (SID_DESC= (GLOBAL_DBNAME=WOODY) (ORACLE_HOME=C:/oracle/ora92) (SID_NAME=WOODY) (ENVS="EXTPROC_DLLS=ANY")

SQL Server Distributed Database Problems and Solutions 2 I. symptomIf the client and server (maybe N) of the distributed transaction are not on the same server, for example, the application server and the database server are respectively, the following error occurs frequently: ① An error occurred while establishing a connection with the server. When you connect t

Analysis and comparison of five MySQL database reliability solutions this article mainly analyzes and compares the reliability solutions of five MySQL databases from the basic information, costs, advantages and disadvantages, and application scenarios, in addition, this article provides some reference for MySQL database