what is sip protocol

1. What is the Chinese translation of SessionSession called "session"? its original meaning refers to a series of action messages with beginning and end stages, for example, a series of processes from picking up a phone call and dialing to hanging up a phone call can be called a session. At present, the society's understanding of the session is very confusing: So

the parameters to understand it? What is the PRC application I'm sorry I wrote it wrong, RPC.RPC (Remote Procedure call Protocol)?? A remote procedure call protocol, which is a protocol that requests services from a remote compu

Today I found a new term. When studying the structure of ado.net, Baidu has been reading n articles for a long time, but this is the most popular one. In summary, there are several words: an interface, a function, and a call. Original article: Web service concept What is Web service? On the surface, Web Service is an a

Experts tell you what a layer-3 switch is. Now every household has their own computer and understands what a layer-3 switch is. At that time, the layer-3 switch was based on software and the forwarding speed was very slow, later, it was developed to implement layer-3 switching with hardware. In, a layer-3 switch was bo

network at this time, only need to equip VoIP terminals, that is, VoIP can be achieved across the region 0 call calls. Detailed terminology 1. What is VoIP? VoIP (Voice over Internet Protocol) is a kind of IP telephony, and the introduction of the corresponding value-add

RT. I want to learn these frameworks before, but after learning a little bit, I find that I cannot learn them. I always feel that I am missing some knowledge. I would like to ask, what kind of knowledge is required to learn these frameworks? How to Learn correctly? RT. I want to learn these frameworks before, but after learning a little bit, I find that I cannot learn them. I always feel that I am missing s

What is FTP? In fact, the popular saying that FTP is a data transfer protocol, is responsible for our computer data and server data exchange, for example, we will be made in our computer website program uploaded to the server on the need to use FTP tools, data from the co

server, so how to combine the language and server software? This raises the following question.What is a Web server?such as: Nginx,apache,iis,tomcat, there are some languages such as Nodejs, can provide web-enabled software, the implementation of the HTTP protocol service software is called Web software, the server that installed the software

Are you preparing to build your own ftp website? Do you know how FTP works? Do you know what port mode is? What is PASV? If you do not know, or are not fully familiar with it, please sit down and spend a little time reading this article carefully. Article . The so-called cutting power without mistake, master these bas

functionality and focuses on data serialization.AvroThe Avro format was created by Doug Cutting and was designed to help compensate for sequencefile deficiencies.ParquetParquet is a columnar file format with a rich Hadoop system support, and can work with Avro, Protocol buffers and thrift. Although Parquet is a column-oriented file format, do not expect one data

/Uniform_Resource_Identifier.With the following example (from Wikipedia), we have a good understanding of the difference between a urn and a URL. If it is a person, we will think of his name and address.A URL is similar to an address, and it tells you a way to look for a goal (in this case, find a person by street address). You know, the above definition is also

The rest architecture is a brand new development style for Web applications. It is the most successful distributed system architecture of Internet hypermedia in the world today. It makes people really understand the original appearance of the HTTP protocol. As the rest architecture becomes the mainstream technology, a brand new way of thinking for Internet networ

For example: There are now 5 projects, projects that are independent of each other and are not even developed in the same language. These 5 items are: Baidu know, Baidu Paste, Baidu News, Baidu Video, Baidu Encyclopedia. Suddenly one day, the boss said: "These systems are called a large project, the name is directly called Baidu Good, so you use a service called WebService to connect the projects, so that the original independent projects can access e

The following is a small series for everyone to collect the "VPN is what" all content, if you like the small series of recommendations, please continue to pay attention to learning. The full name of the VPN is virtual private network, which is the meaning of the fictitious

what is GN Gi gb! Share | 2013-08-24 23:58t hundred 3 | browse 776 times 2013-08-25 00:18# "Team Elite program-Personal high quality race ing!#The questioner is adopted by A: These three interfaces are GPRS interfaces. GI Interface GI interface is the interface between GPRS and external packet Data network (GGSN a

First question: 什么是RESTful ?The word rest is from Roy Thomas Fielding in his 2000 doctoral dissertation. Interested to see the paper here ', who is fielding? Click on the previous name to learn.RESTfulWhat the hell is that? In a nutshell, it is: 一种架构设计风格，提供了设计原则和约束条件 , not architecture. The application or design that s

What is the difference between WCF and Web Service? What is the relationship with ASP. NET web service? What is the difference between WCF and ASP. NET web service? This is a problem

security alone is already quite complex. Moreover, the unified programming model is compatible and supports many early distributed technologies. Many people easily come to the conclusion that they must have read only a few articles or books, not necessarily written code. A master is not so judgmental as to conclude.In the various protocols that WCF supports: mes

another protocol. It does not refer to com interfaces, CORBA interfaces, Java interfaces, Delphi interfaces, man-machine interfaces, or Nic interfaces. In specific implementation, the UML interface can be implemented as a language interface, an interface in a distributed object environment, or any other interface, but in terms of understanding the UML interface, the implementation of each part of the system works together through the

What is JWTThe JSON Web token (JWT) is a JSON-based development standard (RFC 7519) that is implemented for the delivery of claims between network application environments, which is designed to be compact and secure, especially for distributed site single-sign-on (SSO) scena