A Glossary - Huawei netengine80e Configuration Manual

HUAWEI NetEngine80E/40E Router
Configuration Guide - Basic Configurations
This appendix collates frequently used terms in this document.
A
Accounting
Agent
AH
ASSP
Authentication
Authorization
B
Backup center
BFD
Black list
Issue 02 (2011-09-10)
A network security service that records the user's access to the
network.
A process that is used in all managed devices. It receives request
packets from the NM Station and performs the Read or Write
operation on managed variables according to packet types and
generates response packets and sends them to the NM Station.
Authentication Header. A security protocol that provides data
authentication and integrity for IP packets. AH is used in the
transmission mode and in the tunneling mode.
Analogue Sensor Signal Processes. An error tolerance protocol
that provides the interface backup in the multiple access, multicast
and broadcast in LAN (such as Ethernet).
A method used to prove user identity.
A method used to prove identity of users to use the service.
A mechanism in which the interfaces on a device back up each
other and trace the status of the interface. If an interface is Down,
the backup center provides a backup interface to undertake the
service.
Bidirectional Forwarding Detection. A unified detection
mechanism that is used to detect and monitor the link or IP routes
forwarding at a fast pace.
A filtering mode that is used to filter the packet according to the
source IP address. Compared with the ACL, the black list can filter
the packet at a high speed because its matching region is simple.
It can shield the packet from the specified IP address.
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Glossary

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