S/MIME (Secure Multi-Purpose Internet Mail Extensions)

S/MIME (Secure Multi-Purpose Internet Mail Extensions) is a standard for public key encryption and signing of MIME data. It is defined by RFCs 2634, 3850, 5751, and 6376. S/MIME is designed to provide confidentiality, integrity, and authentication of MIME data. It uses a combination of symmetric and asymmetric cryptography to achieve these goals. The S/MIME … Read more

SMTP (Simple Mail Transfer Protocol)

SMTP (Simple Mail Transfer Protocol) is a standard protocol for sending and receiving electronic mail. It is a simple, text-based protocol, where messages are represented as lines of text. The message sender transfers the message to the message receiver using the SMTP protocol. SMTP is a very versatile protocol and can be used to send … Read more

SRTP (Secure Real-Time Transport Protocol or Secure RTP)

Secure RTP (SRTP) is a protocol for securing real-time transport of media data over IP networks. SRTP is designed to protect against replay attacks, man-in-the-middle attacks, and other attacks that exploit the vulnerabilities of RTP. SRTP uses cryptographic techniques to protect the confidentiality and integrity of media data. SRTP is specified in RFC 3711. SRTP … Read more

Xon/Xoff (X-on/X-off or XON/XOFF)

Xon/Xoff is a method of flow control used in computer networks. When data is being sent from one computer to another, Xon/Xoff signals are used to ensure that the data is received properly. If the receiving computer is not able to keep up with the data being sent, it will send an Xoff signal to … Read more

ES-IS (End System-to-Intermediate System)

ES-IS is a network layer protocol used to exchange routing information between end systems and intermediate systems. It is used in conjunction with the Interior Gateway Protocol (IGP) to provide a complete routing solution. ES-IS uses a link state algorithm to compute the best route to each destination. It uses a hop count metric to … Read more

Distributed Management Task Force (DMTF)

The Distributed Management Task Force (DMTF) is an industry organization that develops and promotes systems management standards and practices. Its members include major hardware, software, and network vendors, as well as many smaller companies and individual developers. The DMTF’s primary focus is on standards for managing enterprise-level IT infrastructures, such as data centers and clouds. … Read more

POP3 (Post Office Protocol 3)

POP3 (Post Office Protocol 3) is a standard mail protocol used to receive emails from a server. It is a simple protocol that uses a client-server architecture. The client connects to the server and requests the emails. The server then responds with the emails. POP3 is a very old protocol, dating back to the early … Read more

IIOP (Internet Inter-ORB Protocol)

The IIOP (Internet Inter-ORB Protocol) is a protocol used for communication between ORBs (Object Request Brokers). IIOP is based on the CORBA (Common Object Request Broker Architecture) standard and allows objects to be accessed from any location on the internet. IIOP is a key part of the CORBA architecture and allows for distributed object applications … Read more


264 (MPEG-4 AVC). H.264 (MPEG-4 AVC) is a video compression standard that is widely used for the recording, compression, and distribution of high-definition video. It is the successor to the H.263 standard and is used in a variety of applications, including Blu-ray, HD DVD, and digital television. Is AVC and H 264 the same? No, … Read more

MIME (Multi-Purpose Internet Mail Extensions)

MIME is an extension of the Internet mail protocol that allows for the exchange of different types of data files. It is commonly used for sending and receiving email attachments, but can also be used for other purposes such as transferring images and other types of data files. MIME is a way of specifying the … Read more