type(of)为dynamic metatype,代表在运行时对象真正的元类型; letmyNum:Any=1// Compile time type of myNum is Any, but the runtime type is Int.type(of:myNum)// Int.type Protocol Metatypes 前面说到的这些概念都适用Protocol,但是如果我们写下面的代码会报错 protocolMyProtocol{}letmetatype:MyProtoc...
The Internet Protocol (IP) is a set of rules for sending and receivingdataover theInternet.Computersgather data into collections of electrons calledpackets, with IP identifiers attached to each one.Network routersensure that packets are routed to the right place. All Internet connecteddevices, froml...
In networking, a protocol is a set of rules for formatting and processing data. Network protocols are like a common language for computers. The computers within a network may use vastly different software and hardware; however, the use of protocols enables them to communicate with each other reg...
A set of cooperating network protocols is called aprotocol suite. The Transmission Control Protocol/Internet Protocol (TCP/IP) suite, which is typically used inclient-server models, includes numerous protocols across layers, such as the data, network, transport and application layers, working together...
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What is Internet Protocol (IP)? Internet Protocol (IP) is the method or protocol by which data is sent from one computer to another on the internet. Each computer -- known as ahost-- on the internet has at least one IP address that uniquely identifies it from all other computers on th...
In networking, aprotocolis a standardized way of doing certain actions and formatting data so that two or more devices are able to communicate with and understand each other. To understand why protocols are necessary, consider the process of mailing a letter. On the envelope, addresses are writt...
The Dynamic Host Configuration Protocol (DHCP) dynamically configures and uniformly manages IP addresses of hosts. DHCP is defined in RFC 2131 and uses the client/server communication model. A DHCP client requests configuration information from a DHCP server, and the DHCP server returns the configurat...
In this way, FTP is using Port 20 as well as Port 21. How does FTP protocol work? Let us discuss how the whole process of file transfer takes place from start to end. 1.Establishing Connection: – The client sends a request to a server using the domain name (or IP ADDRESS of the...
NVMe is a storage protocol. A data center includes diverse types of storage and computing devices: NVMe data needs to be transmitted between all of them.NoFfalls into three types: NVMe over FC, NVMe over TCP, and NVMe over RDMA.