lora protocol

One-phase commit protocol and two-phase commit protocol for transactions Because transactions need to implement ACID, that is, atomicity, consistency, isolation, and durability, a certain mechanism is required to ensure that transactions are committed in stages. XA: XA protocol, which specifies the Transaction Manager and resource manager interfaces and adopts th

Http protocol and http protocol details HTTP is an object-oriented protocol at the application layer. It is applicable to distributed hypermedia information systems due to its simple and fast method. It proposed in 1990 that, after several years of use and development, it has been continuously improved and expanded. Currently, the sixth version of HTTP/1.0 is use

"Protocol" is an indispensable concept for understanding servers and networks."Agreement (Protocol)" has the meaning of "rules, provisions".In fact, the function of "protocol" is very wide, in the field of communication, "protocol" provides "in the communication, in what circumstances, in what order, what kind of way t

Article turned from 50910999Ssl1. Secure Socket LAYER,SSL protocol is a protocol that securely exchanges information between a Web browser and a Web server.2. Three features of the SSL protocol? Confidentiality: After the session key is defined in the handshake protocol, all messages are encrypted.? Authentication: Opt

MySQL5.6 has many new features, many of whom are interested in the global transaction ordinal function (Gtids). The reason why everyone is interested in this feature is that it's always a hassle to reconnect from the server and a new primary server, but it's easy to do after enabling the Gtids feature. However, the use of Gtids not only replaces the old binary log file/location with a separate identifier, it also uses a new replication protocol. If yo

Protocol buffers is a data description language developed by Google, similar to XML that can serialize structured data for data storage and communication protocols. At this stage of support Hold three programming languages, such as C + +, JAVA, Python. It is a binary format, much faster than using XML for data exchange. It can be used in data communication between distributed applications or in heterogeneous environments. Http://code.google.com/intl/z

OMA Protocol WizardA concise tutorial to help you understand the OMA Protocol (i) (b) Unlike the TR069 protocol, because OMA is designed to support data synchronization between different devices across networks, OMA's data transfer is not only built on the Internet session layer using HTTP transmission, OMA also supports wireless network WAP using WSP and Blueto

protocol [' pr?ut?k?l] (example:http://blog.sina.com.cn/s/blog_6aafe9c90100yozz.html )I. Descriptiontwo classes for communication, with the protocol is more convenient. 1. The protocol declares a method that can be implemented by any class2. The protocol is not a class, it defines an interface that other objects can

HTTP is a stateless protocol, with two consecutive requests for the same session that are not known to each other, and they are parsed by the newly instantiated environment, which does not save any information about the session, except that the application itself may already be stored in the global object. own understanding, in the ASP: every time the page submission server does not have any relationship, each time the information recorded on the pag

We have analyzed some protocols and the content of the protocol stack. I believe everyone understands the content of the H.323 protocol. Here we will explain the development of this protocol stack. Developing an H.323 protocol stack is an extremely arduous task in the communication design process. The difficulty lies i

------Java Training, Android training, iOS training,. NET training, look forward to communicating with you! ------- Can be used to declare a whole bunch of methods (cannot declare member variables) As long as a class adheres to this protocol, it is equivalent to having all the method declarations in this agreement As long as the parent class adheres to a protocol, the subclass also adheres

Many of us know the IP protocol, that is, the Internet Protocol address. But it is also a datagram protocol. These basic structures are not clear to many friends. Next we will introduce the basic structure of this datagram. Internet Protocol IP) Internet protocol is a datagr

Gateway-Gateway Protocol (GGP) To Route packets correctly and efficiently, the core gateway needs to know the situation of other parts of the Internet, including routing information and subnet characteristics. This type of information is usually used when a gateway processes heavy loads and is the only way to access the subnet, other gateways in the network can cut traffic to reduce the load on the gateway. GGP is mainly used to exchange routing infor

Transferred from: Http://bbs.ednchina.com/BLOG_ARTICLE_172024.HTM2.4-Block Transport protocol T=1In the T=1 protocol, commands, R-APDU, and Transmission control information (such as acknowledgment information) transmitted between the TAL and IC cards are made up of blocks.The following defines the block frame structure of the data link layer, special options for the Pro