Spirent SmartBits System - Page 30

Chapter 2: System Architecture
Traffic Generation and Performance Analysis
22 SmartBits System Reference
The following table highlights the various types of Traditional cards.
Table 2-4. General Characteristics of Traditional Cards
Processor
Type
Used with
Max Number
of Streams
Per Port
Max
Number
of Flows
Per Port
Frame Variations
Traffic
Loading
Method
Limitation/
Benefit
Traditional Ethernet
and Token
Ring cards
1plus1or2
alternate
streams
n/a Thousands of frame
blueprints through
VFDs (variable field
definitions), that can
increment and
decrement source
and destination
MAC fields, and
alter content.
Round-
Robin
sequence
Full wire-rate
with varied traffic.
Varied frames can
be generated but
individual frames
cannot be tracked.
No signature
field.
Enhanced
Traditional
GX-1420B
LAN-
3100A
1plus1or2
alternate
streams
n/a Thousands of frame
blueprints through
VFDs (variable field
definitions), that can
increment and
decrement source
and destination
MAC and IP fields,
and alter content.
Round-
Robin
sequence
Full wire-rate
with varied traffic.
Varied frames can
be generated but
individual frames
cannot be tracked.
No signature
field.
Traditional
Plus
ATM -1
Cards
ATM -2
Cards
1 stream per
port with
Up to 256
PVCs/SVCs
1
Up to 2048
PVCs/SVCs
1
1 In SmartWindow, SmartLib, and SmartApplications. In SmartSignaling, up to 8.38 million VCCs can be
generated for tests. See other applications for maximum PVCs/SVCs supported.
n/a Thousands of frame
blueprints through
the individual
addresses of PVCs/
SVCs.
Round-
Robin
sequence
Full wire-rate
with varied traffic.
Varied frames can
be generated but
individual frames
cannot be tracked.
No signature
field.