Disconnect-Nak
Disconnect-Nak is NAS response packet to a Disconnect-Request, which indicates that the session was not
disconnected.
Disconnect-Request
Disconnect-Request is a RADIUS packet type sent to a NAS requesting that a user or session be disconnected.
distribution certificate
Distribution certificate is used for digitally signing iOS mobile apps to enable enterprise app distribution. It
verifies the identity of the app publisher.
DLNA
Digital Living Network Alliance. DLNA is a set of interoperability guidelines for sharing digital media among
multimedia devices.
DMO
Dynamic Multicast Optimization. DMO is a process of converting multicast streams into unicast streams over
a wireless link to enhance the quality and reliability of streaming videos, while preserving the bandwidth
available to non-video clients.
DN
Distinguished Name. A series of fields in a digital certificate that, taken together, constitute the unique identity
of the person or device that owns the digital certificate. Common fields in a DN include country, state, locality,
organization, organizational unit, and the “common name”, which is the primary name used to identify the
certificate.
DNS
Domain Name System. A DNS server functions as a phone book for the intranet and Internet users. It converts
human-readable computer host names into IP addresses and IP addresses into host names. It stores several
records for a domain name such as an address 'A' record, name server (NS), and mail exchanger (MX)
records. The Address 'A' record is the most important record that is stored in a DNS server, because it
provides the required IP address for a network peripheral or element.
DOCSIS
Data over Cable Service Interface Specification. A telecommunication standard for Internet access through
cable modem.
DoS
Denial of Service. DoS is any type of attack where the attackers send excessive messages to flood traffic and
thereby preventing the legitimate users from accessing the service.
DPD
Dead Peer Detection. A method used by the network devices to detect the availability of the peer devices.
AOS-W 6.5.3.x | User Guide Glossary of Terms | 1128
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