connection broker

1. Relationship between HTTP protocol and TCP/IP protocol HTTP persistent connections and short connections are essentially TCP persistent connections and short connections. HTTP is an application layer protocol. TCP is used at the transport layer and IP is used at the network layer. The IP protocol mainly solves the problem of network routing and addressing. The TCP protocol mainly solves how to transmit packets reliably on the IP layer, so that the other end of the network receives all packets

What is a long connection?In fact, a long connection is relative to the usual short connection, that is, long time to maintain the client and the server connection state.The usual short connection operation steps are:Connect-"Data transfer-" close the

Profile:Before these concepts a little confused, look up some information, a little generalization of their differences. If there is an error, please clap ~ ~ ~First look at the picture:What is TCP/IP?TCP/IP is a protocol group that can be divided into three levels: Network layer, Transport layer and application layer.At the network layer are IP protocols, ICMP protocols, ARP protocols, RARP protocols, and BOOTP protocols.There are TCP protocols and UDP protocols in the transport layer.In the ap

1. The relationship between the HTTP protocol and the TCP/IP protocolLong connections and short connections to HTTP are essentially TCP long connections and short connections. HTTP belongs to the Application layer protocol, which uses the TCP protocol at the Transport Layer and IP protocol at the network layer. The IP protocol mainly solves the network routing and addressing problems, the TCP protocol mainly solves how to reliably pass the packet over the IP layer, so that all the packets sent b

Oracle connection method: oracle connection In general, Join methods include: Nested Loops, Hash-Join, Sort Merge Join, and Cartesian Join (Merge Join Cartesian ). 1. Nested loop join (Nested Loops) Nested loops include the concepts of External tables (drivingtable, driving table) and internal tables (inner or driven-to table, driven table). Generally, the result set is larger than the internal table, A sma

The process of establishing a connection for TCP is drawn. Assume that host A is running a TCP client, and B runs a TCP service program. The TCP processes at the beginning of both ends are in the CLOSED (off) state. The boxes below the host are the states in which the TCP process is located, respectively. Note thata actively opens the connection, while B passively opens the

long connection and short connection The so-called long connection, refers to a TCP connection can send multiple packets in a row, in the TCP connection to maintain, if there is no packet sent, the need for both sides to send detection packets to maintain this

Label:I have a few points that do not quite understand, look at you under the guidance of the Warrior.1, the application of the Java EE, there is a user request will start a thread. And if we put connection in threadlocal, then our program only needs a connection to connect to the database, each thread is a copy of the connection, then why is it necessary to data

A few days ago, a company's project required recursive File Retrieval. Due to my temporary negligence, I did not consider the existence of Connection Files, as a result, the released program may fall into the major bug of an endless loop, without getting too much white-eye from the boss. The so-called where to fall and where to climb, so today I will explain in detail the next life of "Connection Files" and

1. TCP Connections When the TCP protocol is used in network communication, before a true read-write operation, a connection must be established between the server and the client, and when the read and write operation is complete, they can release the connection when they no longer need the connection, and the conne