COMNET III CACI

More documents

Recommendations

Info

Higher Layer Protocols ATM Adaptation Layer YES PARTIAL Transport Protocol, Backbone Network & Transit Networks Transport Protocol / Basic Protocol Parameters & Rate Control ATM Layer Cells YES Transport Protocol / Basic Protocol Parameters Connection oriented service, PVC / SVC, VP’s / VC’s Connectionles s service YES YES Session Source, Routing Protocol Message Source, Routing Protocol Payloads IMPLIED Transport Protocol / Basic Protocol Parameters CLP, Cell Tagging Congestion Notification, Flow Control YES YES Transport Protocol / Policing Buffer Policies, Available Rate Control PTI YES Transport Protocol / Basic Protocol Parameters Physical Layer PARTIAL Point-to-Point Links SAR automatically modeled, CS only partially modeled VP’s and VCI’s are implicitly modeled not necessary to explicitly model payload typically only modeled with ABR services, can be modeled using COMNET III’s Flow Control algorithms Physical layer overheads modeled through effective bandwidth 3.2.3 A.3 3.2.2 A.3.1 3.2.2 A.3.2 3.2.2 A.1, A.3.2 3.2.2 A.1 3.2.2 A.3.2 3.2.2 A.3.2, B.2 3.6 A.3.2, B.2 3.2.2 A.3.2 3.2.1 A.3.3 10
Network Interfaces Connection Admission Control Routing Policies Address Structure IMPLIED PARTIAL COMNET III Topology, Transport Protocols, Triggers Interfaces are implied in the topology. Differences can be modeled through triggers and modeling different types of traffic No explicit modeling of resource management and CAC YES Backbone Routing, Transit Network Routing IMPLIED Node Names No explicit addresses used, instead routing based on node names UPC / NPC YES Transport Protocol / Policing Cell Tagging YES Transport Protocol / Policing Traffic Shaping EFCN, BECN YES YES Transport Protocol / Rate Control Transport Protocol / Available Rate Control GCRA YES built into COMNET III, used in Rate Control and Policing functions Conformance Definitions YES Transport Protocol / Policing 3.2.1 A.4 3.2.2 B.1 3.2.2 B.1.2 3.2.2 B.1.2 3.2.2 B.2 3.2.2 B.2 3.2.2 B.2 B.2 B.2.1 B.2.2 11
Page 1 and 2: COMNET III Application Notes: Model
Page 3 and 4: Appendices……………………
Page 5 and 6: 2.2 Underlying Assumptions A number
Page 7 and 8: only those details which are signif
Page 9: Table 1 gives you an overview of th
Page 13 and 14: 3.2 Overview of COMNET III’s Mode
Page 15 and 16: To generate ATM traffic, you would
Page 17 and 18: 3.2.3 Other Protocols over ATM The
Page 19 and 20: 3.4 Modeling CBR Services A fundame
Page 21 and 22: UPC/NPC conformance for the CBR tra
Page 23 and 24: 3.5 Modeling VBR Services To model
Page 25 and 26: Figure 5: VBR buffer limit. As illu
Page 27 and 28: The remarks made under the previous
Page 29 and 30: control parameters as well as to ex
Page 31 and 32: In order for the RM cells to indica
Page 33 and 34: 3.7 Modeling UBR Services As descri
Page 35 and 36: For the FM functions, a distinction
Page 37 and 38: Bus Bus 1..n CPU Ports Ports Line C
Page 39 and 40: 4. Example Applications In the firs
Page 41 and 42: The particular QoS parameters of in
Page 43 and 44: CBR AAL1 VBR AAL3/4 ABR AAL3/4 Basi
Page 45 and 46: After running the model under both
Page 47 and 48: 4.2 TCP/IP vs. ATM at the Desktop T
Page 49 and 50: Note that she has decided to reduce
Page 51 and 52: The voice mail traffic is given the
Page 53 and 54: 4.3 Modeling ATM LANE Networks This
Page 55 and 56: The model topology consists of a nu
Page 57 and 58: Connected to the LES is a single CO
Page 59 and 60: Figure 17 depicts a modified model
Page 61 and 62:
To model this architecture, COMNET
Page 63 and 64:
The OFF command is a global process
Page 65 and 66:
The respective connection utilizati
Page 67 and 68:
A. Perspectives on ATM - Brief Revi
Page 69 and 70:
This integration of the different n
Page 71 and 72:
available, or it will accept to est
Page 73 and 74:
Version 4.0 of the ATM Forum’s tr
Page 75 and 76:
A.3 The B-ISDN Protocol Reference M
Page 77 and 78:
Class A B C D AAL Type AAL1 AAL2 AA
Page 79 and 80:
Higher layer PDU (1-65535 bytes) Co
Page 81 and 82:
Link 1 ATM Switch VCI = 1 Link 2 VP
Page 83 and 84:
FDDI ATM Router ATM Switch Private
Page 85 and 86:
Input Ports Output Ports Figure 30:
Page 87 and 88:
In addition to the internal switchi
Page 89 and 90:
B.1.1 Resource Management Policies
Page 91 and 92:
Finally, the setup request is forwa
Page 93 and 94:
intermediary node, the local CAC fu
Page 95 and 96:
Arrival of a cell at time ta(k) X
Page 97 and 98:
CLP value? 0 1 GCRA using PCR(CLP=0
Page 99 and 100:
B.2.2.3 Available Bit Rate Conforma
Page 101 and 102:
control scheme requires more compli
Page 103 and 104:
B.3 Management Services We will now
Page 105 and 106:
In the second dimension, the OAM ce
Page 107 and 108:
• SECBR = Severely Errored Cell B
Page 109 and 110:
Note that the node detecting the fa
Page 111 and 112:
Glossary and Acronyms: The terms in
Page 113 and 114:
NNI* nrt-VBR OAM cells PCR PDU* PT
show all

COMNET III CACI

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?