dnp protocol tutorial

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 suppo

Tutorial on http protocol and http protocolSummary Hyper Text documents contain hyperlinks that point to other resources. Hypertext document is the foundation of World Wide Web (www. The HTTP protocol solves the problem of file transmission. HTTP is an application layer protocol, mainly based on TCP

Tutorial on using GTIDs replication protocol and interrupt protocol in MySQL MySQL5.6 has many new features, and many of them are interested in the global transaction sequence number function (GTIDs ). The reason why everyone is very interested in this feature is also very understandable, that is, it is always very troublesome to re-connect the slave server and a

Tutorial on using GTIDs replication protocol and interrupt protocol in MySQL, mysqlgtids MySQL5.6 has many new features, and many of them are interested in the global transaction sequence number function (GTIDs ). The reason why everyone is very interested in this feature is also very understandable, that is, it is always very troublesome to re-connect the slave

can also directly read books.35.3 FTP basic Knowledge point(The knowledge points here are collated from the reference address above)Tutorial here also on the basic knowledge of FTP to do an introduction, so that we have a general understanding of the first.35.3.1 FTP Brief descriptionFTP (file Transfer Protocol) is used for two-way transmission of control files over the Internet. At the same time, it is al

1. Fiddler Introduction Fiddler is an HTTP protocol debugging agent tool written using C #. It supports numerous HTTP debugging tasks, can record and check all the HTTP communication between your computer and Internet, can set breakpoints, see all the "in and Out" Fiddler data (COOKIE,HTML,JS,CSS, etc.). This article is fiddler introductory tutorial, mainly introduces fiddler download installation, HTTP in

(Channel ch) throws Exception {Ch.pipeline (). AddLast ("encoder", New Protobufencoder ());Ch.pipeline (). AddLast ("Decoder", New Protobufdecoder (Test.TestPro.getDefaultInstance ()));Ch.pipeline (). AddLast ("handler", New ClientHandler ());};});Channel ch = bootstrap.connect ("127.0.0.1", 8888). Sync (). Channel ();Console inputBufferedReader in = new BufferedReader (new InputStreamReader (system.in));for (;;) {String line = In.readline ();if (line = = NULL | | "". Equals (line)) {Continue}T

take precedence over the local cache.One workaround is to turn on the server push only for the first access user. The following is an example of the official Nginx, based on the Cookie to determine whether the first access. Server{Listen443 SSL HTTP2 Default_server; Ssl_certificate SSL/certificate. PEM; Ssl_certificate_key SSL/key. PEM; Root/var/www/html; Http2_push_preload on; Location = /demo. html {add_header Set-cookie "Session=1"; Add_header Link $ Resources; }}map $http _cookie $resou

(this is a hyperlink) For beginners, learning the above four references is enough. If you have a network of books, such as "TCP/IP detailed", you can also directly read books.23.3 ARP Basics points(The knowledge points here are collated from the reference address above)Tutorial here also on the basic knowledge of ARP to do an introduction, so that we have a general understanding of the first.23.3.1 ARP Brief descriptionThe basic function of ARP

Some basic attributes that need to be instantiated can be defined in the protocol. here, let's take a look at the protocol (protocol) tutorial in Swift. For more information, see I. INTRODUCTION The protocol defines some attributes and methods. Their functions are similar t

Serialization | Iot framework ServerSuperIO tutorial-9. protocol filter, which solves multiple packets, sticks to packets, and redundant data. What does redundancy mean? 1. C # Introduction to cross-platform Iot communication framework ServerSuperIO (SSIO) Serialization | Iot framework ServerSuperIO tutorial 1.4 communication modes and mechanisms. Serialization |

Tags: tar.bz2 work generation optimization str size key Concept Inpu Tutorial OLSR is optimized on the basis of the traditional LS (Link State) protocol based on the requirements of Manet. 　　 The key concept in OLSR is multi-point retransmission (MPRs), MPRs is the node of the forwarding broadcast selected during broadcast flooding. The traditional link-State

Asterisk-java Tutorial (Chinese version)--fastagi protocolFastagi protocolThe Fastagi protocol enables our Java applications to interact with asterisk in the simplest way possible. The AGI script can handle any incoming or outgoing outbound calls through the manager API.This disadvantage has been resolved by Fastagi, Fastagi based on AGI through TCP/IP socket connection instead of standard input and standar

Netty4 and protocol buffer combination simple tutorial, netty4buffer Binary communication is usually used between various projects, which requires a small bandwidth and fast processing speed ~ Thanks to Trustin Lee, the author of netty, for letting netty naturally support protocol buffer. This example uses netty4 + protobuf-2.5.0, run in win7, and assuming jdk an

so network management software can only read the count.The MIB for TCP/IP divides management information into many categories. The choice of categories is important because identifiers used to specify items include a code for the category. Figure 30.2 lists a few examples.Keeping the MIB definition independent of the network management Protocol have advantages for both vendors and users. A vendor can include SNMP agent software in a product such as a

I wrote my own GoogleSiteMap file and provided a detailed tutorial here. I hope it will be helpful to you. After a long time, I wrote my own Google SiteMap file. here I will give you a detailed tutorial and hope to help you. Role of Google SiteMap and detailed explanation of protocol format Google SiteMap protocolis a site map agreement promoted by google. This

OC tutorial 3-category extension ProtocolOC3-language features This chapter mainly describes the OC language features. Category) Extension) Protocol 1, categoryThe category mechanism in the OC language has only one function: Adding Methods to any classNow we create a Student class@interface Student : NSObject@property(nonatomic,strong)NSString * name;@end@implementation@endIf you want to add a method fo

→ Sender's Bridge ID → Sender's Port ID 5. Port Status1. block, delay 20 seconds2. Monitor, delay 15 seconds3. Study, delay 15 seconds4. ForwardingIn the blocking state, the BPDUs are still allowed to pass. So the total delay will have 20+15+15=50 seconds, but in some companies delay 50 seconds is unacceptable, this time can change the delay setting. However, it is not recommended to easily change the default value of the spanning tree protocol