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ActiveMQ is an open source protocol for sending messages between different applications and more.
Citrix Independent Computing Architecture (Citrix ICA) is a proprietary protocol for an application server system.
CIFS was used to share files remotely via IP, which worked in conjunction with FTP and HTTP.
Db2 is primarily a relational database management system; it stores, retrieves, and manages data.
Diameter is a protocol for Authentication, Authorization and Accounting. It is frequently used in IMS architecture.
A Domain Name System is a hierarchical decentralized naming system for computers and other resources connected to the internet or private networks.
Dynamic Host Configuration Protocol (DHCP) is a standardized network protocol used on Internet Protocol (IP) networks.
The FIX protocol was originally developed in 1992 as a way for large equity trading companies to exchange information between broker-dealers and clients.
HL7 is a set of international standards used by healthcare providers transferring clinical and administrative data between software applications.
The Hypertext Transfer Protocol is an application protocol for distributed, collaborative, hypermedia information systems that allows users to communicate data on the World Wide Web.
ICMP is a transport level protocol within TCP/IP which communicates information about network connectivity issues back to the source of the compromised transmission.
Kerberos is an authentication protocol that uses mutual authentication, requiring both the user and server to prove their identities.
The Lightweight Directory Access Protocol (LDAP) is a vendor-neutral application protocol used to access and update open, distributed directory information services.
Memcache is a key-value store used by websites to store and retrieve information rapidly, without reloading the information.
A Microsoft Remote Procedure Call is a protocol that one program uses to request service from a program located in another computer in a network, without having to understand the details of that particular network.
MongoDB is a free, open-source cross platform document-oriented program first developed in 2007 by MongoDB Inc.
MySQL is an open-source database management system.
NFS, or Network File System, allows a user on a client computer to access files over a network in the same way they would access a local storage file.
Oracle Net foundation layer is a software layer responsible for establishing and maintaining the connection and exchanging messages between the client application and database server.
RTCP XR is a transport protocol that includes extended reports (XR), a type of RTCP packet which includes information on whether the RTP packet was received and provides receipt data to the sender.
The Real-time Transport Protocol is a network protocol used to deliver streaming audio and video media over the internet, thereby enabling the Voice Over Internet Protocol (VoIP).
Adaptive Server Enterprise (Sybase ASE) is a relational database management system often used for online transaction management on location and in the cloud.
The Session Initiation Protocol is a signaling protocol that enables the Voice Over Internet Protocol (VoIP) by defining the messages sent between endpoints and managing the actual elements of a call.
SMTP is an asymmetrical protocol that is used to send and receive email by sending messages to a server for forwarding.
Telnet, developed in 1969, is a protocol that provides a command line interface for communication with a remote device or server, sometimes employed for remote management but also for initial device setup like network hardware.
RADIUS is the underlying authentication and access protocol used by the majority of network and computing systems, commonly used to facilitate roaming between ISPs.
Even if you haven't heard of TCP, you've heard of what runs on it, including the world wide web, e-mail, and peer-to-peer file sharing.