Information Technology Reference
In-Depth Information
RSVP
Signaling protocol that enables end stations or applications to obtain guaranteed
bandwidth and low delays for their data flows.
RTCP
RTP Control Protocol. Session layer protocol that monitors the delivery of data and
provides control and identification functions.
RTP
Real-time Transport Protocol. RTP is a transport layer protocol that carries digitized
voice in its payload RTP operates over UDP.
SCCP
Skinny Client Control Protocol. Cisco proprietary client/server signaling protocol for
call setup and control. Also known as “skinny.”
secondary WAN link
The addition of a secondary WAN link makes the network more fault
tolerant.
secure
Identification, authentication, ACLs, stateful packet inspection (SPI), encryption, and
VPNs.
security management policy
Security management policy explains how to manage the
security infrastructure.
service level agreement (SLA)-networked applications
SLA-networked applications rely on
the underlying network between the client and server to provide its functions.
services edge
Services edge ensures the right services are accessible the intended users,
groups, or devices.
shadow PVC
Service providers can offer shadow PVCs that provide an additional PVC for
use if needed.
SIP
Session Initiation Protocol. IETF framework for multimedia protocols.
small branch design
Design for a site that has up to 50 users.
SNMP
Simple Network Management Protocol. IP application layer protocol that has
become the standard for the exchange of management information between network devices.
SONET/SDH
SONET/SDH is circuit-based and delivers high-speed services over an optical
network.
split-MAC
AP mode that splits MAC functions between the WLC and the remote AP.
SS7
Signaling 7. Allows voice calls to be routed and controlled by central call controllers.
Permits modern consumer telephone services. Protocol used in the PSTN.
SSID
Service set identifier.
stub area
In a stub area, OSPF external LSAs (Type 5) are prevented from being flooded
into that area. A default router is used instead.
Superscan
Superscan (made for Windows) provides high-speed scanning, host detection,
and Windows host enumeration and banner grabbing.
syslog
Tran s mits event not ific at ion me s s age s over the net work. Net work dev ice s s end the
event messages to an event server for aggregation.
