OVF
Open Virtualization Format. OVF is a specification that describes an open-standard, secure, efficient, portable
and extensible format for packaging and distributing software for virtual machines.
PAC
Protected Access Credential. PAC is distributed to clients for optimized network authentication. These
credentials are used for establishing an authentication tunnel between the client and the authentication
server.
PAP
Password Authentication Protocol. PAP validates users by password. PAP does not encrypt passwords for
transmission and is thus considered insecure.
PAPI
Process Application Programming Interface. PAPI controls channels for ARM and Wireless Intrusion Detection
System (WIDS) communication to the master controller. A separate PAPI control channel connects to the local
controller where the SSID tunnels terminate.
PBR
Policy-based Routing. PBR provides a flexible mechanism for forwarding data packets based on polices
configured by a network administrator.
PDU
Power Distribution Unit or Protocol Data Unit. Power Distribution Unit is a device that distributes electric
power to the networking equipment located within a data center. Protocol Data Unit contains protocol control
Information that is delivered as a unit among peer entities of a network.
PEAP
Protected Extensible Authentication Protocol. PEAP is a type of EAP communication that addresses security
issues associated with clear text EAP transmissions by creating a secure channel encrypted and protected by
TLS.
PEF
Policy Enforcement Firewall. PEF provides context-based controls to enforce application-layer security and
prioritization.
PFS
Perfect Forward Secrecy. PFS refers to the condition in which a current session key or long-term private key
does not compromise the past or subsequent keys.
PHB
Per-hop behavior. PHB is a term used in DS or MPLS. It defines the policy and priority applied to a packet when
traversing a hop (such as a router) in a DiffServ network.
AOS-W 6.5.3.x | User Guide Glossary of Terms | 1144
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