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XEP

XEP stands for XMPP Extension Protocol, a standard used in the Extensible Messaging and Presence Protocol (XMPP) to define extensions and additional features. XMPP is a messaging protocol used for real-time communication, including instant messaging, presence, and multi-user chat. XEPs are formal documents published by the XMPP Standards Foundation (XSF) and assigned a unique number, which authors can cite when implementing or interoperating with XMPP clients and servers.

Each XEP describes a concrete extension or best practice for XMPP communications. A typical XEP includes the

XEPs are maintained by the XMPP Standards Foundation, with community input from developers, researchers, and users.

Notable XEPs include XEP-0030 Service Discovery, XEP-0004 Data Forms, XEP-0045 Multi-User Chat, and XEP-0199 XMPP Ping,

For developers and administrators, consulting XEPs helps ensure interoperability; implementations typically advertise support for XEPs and

motivation
for
the
feature,
a
specification
of
the
protocol
or
data
formats,
examples,
and
considerations
such
as
security
and
backward
compatibility.
XEPs
cover
a
wide
range
of
topics,
from
service
discovery
and
data
forms
to
multi-user
chat
and
media
transfer.
They
go
through
a
lifecycle
from
proposal
to
publication,
and
may
be
updated,
superseded,
or
deprecated
over
time
as
the
XMPP
ecosystem
evolves.
which
illustrate
the
range
of
capabilities
published
under
the
XEP
process.
negotiate
capabilities
to
enable
clients
and
servers
to
determine
compatible
features.