Supported Applications
95
Structured versus Unstructured Summary
Use Table 30 to select whether to use structured or unstructured DS1 CBR.
Figure 59 depicts the effects of structured versus unstructured service on the
DS1/E1 framing.
Figure 59
Structured Versus Unstructured Effects on Transit DS1
Ethernet and Voice
Application
A typical configuration involves multiple PathBuilder S700s connected through an
ATM network that could consist an ATM switch or an ATM network consisting of
multiple switches. This configuration is shown in Figure 60.
Table 30
Selecting Structured Mode Versus Unstructured Mode
Structured
Unstructured
DSO midspan drop and insert
X
DSO access grooming
X
DS1 network management end to end
X
DS1 end to end
(no DSO access)
X
X
DS1 CBR 1.536 Mbps of bandwidth
X
X
DS1 CBR 1.544 Mbps of bandwidth
X
Dynamic Bandwidth Allocation (DBA)
X
DS1
ESF
FDL
AAL 1
DS0
DS0
DS0
DS0
ABCD
DS1 Structured N x 64 Kbps
Bit
Bucket
PathBuilder S700
Interface
DS1
ESF
FDL
AAL 1
DS1
DS1 Unstructured
PathBuilder S700
Interface
DTE
Timing
DS1 = 1,544 Mbps
DS0 = 64 Kbps
DS - Digital Signal
ESF - Extended Superframe
Содержание 3C63400-3AC-C - PathBuilder S700 Switch
Страница 14: ...xiv CHAPTER SUPPLEMENTARY REGULATORY INFORMATION ...
Страница 18: ...4 ABOUT THIS GUIDE ...
Страница 28: ...14 CHAPTER 1 SYSTEM DESCRIPTION ...
Страница 88: ...74 CHAPTER 3 GETTING STARTED ...
Страница 260: ...246 CHAPTER 6 PATHBUILDER S700 DIAGNOSTICS AND PERFORMANCE MONITORING ...
Страница 270: ...256 INDEX ...