Glossary - Eads Astrium SMCS332SpW User Manual

13.6 Glossary

Communication Memory Part of a node's working memory reserved for communication.
Computing Node
Controlling Node
Level 0
Level 1
Level 2
Level 3
Level 4
Link Interface Unit
Link Interface
Node
Requester
Responder
Working Memory
SMCS332SpW
User Manual
A node which performs only computing tasks.
A node which is allowed to perform system control tasks.
A controlling node may also perform computing tasks.
Signal Level
Character Level
Exchange Level
Packet Level
Transaction Level
Integrated Unit (single chip / MCM) consisting of multiple link interfaces.
Circuitry to connect a node to one physical DS-SE link channel, consists generally
of a SpaceWire link frontend, a protocol controller and interfaces to the node CPU.
Entity of a multiprocessor system, consists of a CPU, memory and (multiple) link
interfaces. The term is used in the communication related view of a
multiprocessor system.
The link interface which sends a request packet on the link.
The link interface which sends a response packet on the link. The response packet
may be a simple acknowledge or a data packet.
Data storage part of a node's memory.
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EADS Astrium GmbH, ASE2
Doc No: SMCS_ASTD_UM_100
Issue: 1.4
Updated: 9-Sep-2006
Page: 129 of 131