Session Initiation Protocol (SIP) is a signaling protocol used for initiating, maintaining, and terminating communication sessions that include voice, video and messaging applications. It operates on the OSI application layer. The secure version of SIP is SIPS, and adds TLS…
This post is about computer network devices. Endpoints An endpoint is a physical devices, such as a server, PC, workstation or smartphone, that connect to and exchange information with a computer network. A virtual desktop infrastructure (VDI) virtualizes an endpoint…
This post is about the internet. List of Internet Governance Organizations List of internet governance organizations: ISOC Internet Society (ISOC) is a non-profit organization. It is the legal entity that governs the internet. IAB Internet Architecture Board (IAB) designs the…
DOCSIS is an standard to exchange data over the coaxial cable, also known colloquially as TV cable. DOCSIS versions There are different versions of DOCSIS: DOCSIS 3.0 DOCSIS was ratified in the following ITU-T Recommendations: DOCSIS 3.1 The maximum speed…
Voice over IP (VoIP) is a multilayer protocol that encapsulates in a tunnel audio video into IP packets to support voice calls an multimedia collaboration. VoIP is an alternative to the traditional public switched telephone network (PSTN). VoIP Protocols VoIP…
Multiprotocol Label Switching (MPLS) is a routing technique in telecommunications networks that directs data from one node to the next based on labels rather than network addresses. It is a multilayered protocol for computer networks. MPLS Characteristics Labels are used…
WebSocket is a real-time communication protocol that provides simultaneous two-way communication channels over a single Transmission Control Protocol (TCP) connection. It enable bidirectional communication between clients and servers, allowing for more interactive and real-time applications. It is standardized by the…
The network areas displayed here are sorted by size in ascending order: SAN Storage Area Network (SAN) is a dedicated network for storage devices. You can read this post about SAN. LAN Technologies LAN technologies: WAN Technologies WAN technologies: ATM…
Distributed Network Protocol 3 (DNP3) is a set of communications protocols used between components in process automation systems. It plays a crucial role in SCADA systems, where it is used by SCADA Master Stations (a.k.a. Control Centers), Remote Terminal Units…
This post provides resources to security aspects of domain network system (DNS). This post assumes that you already know how a DNS works. You can read an introduction to DNS on this post. Security Controls for DNS Security controls specific…