Language: English
Pages: 170
Selected papers from the 3rd international workshop on QoS in multiservice IP networks (QoS-IP 2005)......Page 1
Introduction......Page 4
Arrival curves......Page 5
The Legendre transform......Page 6
Convex and concave conjugates......Page 7
Properties of the Legendre transform......Page 8
Service curves......Page 9
Output bounds......Page 10
Performance bounds......Page 11
Rate-latency performance bounds......Page 13
Service-curve-based routing in the Legendre domain......Page 14
References......Page 16
Introduction......Page 18
Related study......Page 19
Adaptive models......Page 20
QoS requirements......Page 21
WRR scheduler......Page 22
QoS requirements......Page 23
Pricing criterion......Page 24
QoS requirements......Page 25
Upper constraints......Page 26
Integrated Services......Page 27
Differentiated Services......Page 28
Simulation environment......Page 29
Case 1......Page 30
Case 2......Page 33
References......Page 35
Introduction......Page 37
State-dependent arrival rates......Page 39
Packet-level balancing......Page 40
Fixed routes......Page 41
Separately balanced capacity allocation and routing......Page 42
Jointly balanced capacity allocation and routing......Page 43
Numerical results......Page 44
Conclusions......Page 45
References......Page 46
Introduction......Page 47
Network, traffic and problem description......Page 48
The BE traffic models......Page 49
The stationary model......Page 50
The dimensioning mechanism......Page 51
QoS traffic dimensioning......Page 52
BE traffic dimensioning......Page 53
The final dimensioning......Page 54
Numerical results......Page 55
Appendix A......Page 60
Appendix B......Page 61
References......Page 62
Introduction......Page 64
Transport-layer QoS translators......Page 66
Virtual private networks......Page 67
The Capacity Assignment problem......Page 68
The Buffer Assignment problem......Page 69
Numerical examples and simulations......Page 70
The capacity and flow assignment problem......Page 72
The Greedy Weight Flow Deviation method......Page 73
Numerical examples......Page 74
Numerical examples and simulations......Page 75
Acknowledgement......Page 77
Genetic algorithms......Page 78
References......Page 79
Introduction......Page 82
Model description......Page 84
Probability of losses in a block......Page 85
Performance analysis......Page 86
Constant average load case......Page 88
Constant average packet loss case......Page 94
On the accuracy of the Gilbert model......Page 98
Acknowledgements......Page 104
References......Page 105
Introduction......Page 108
An overview of MPLS......Page 109
Problem description and existing solutions......Page 110
Virtual Path Hopping (VPH) concept......Page 111
Dynamic Virtual Path Allocation (DVPA) algorithm......Page 113
DVPA algorithm......Page 115
VPH concept......Page 116
DVPA algorithm......Page 118
Conclusions......Page 120
References......Page 121
Introduction......Page 123
IPv4 and IPv6 multihoming......Page 124
Impact of PI and PA prefixes on available AS paths......Page 125
A two-level topology with delays......Page 126
Simulation results......Page 127
A new path diversity metric......Page 128
Internet topologies......Page 129
Simulation results......Page 130
Influence of topology on path diversity......Page 131
Acknowledgements......Page 134
References......Page 135
Introduction......Page 136
Micromobility protocol and resourcereservations......Page 137
Packet classifier and scheduler......Page 138
MEHROM handoff scheme......Page 139
Bandwidth table......Page 140
Bandwidth reservations (Fig. blank 5(1))......Page 141
Handoff phase 2 mdash route optimization (Fig. blank 5(3))......Page 142
Mobile host is sender......Page 143
Handoff (Fig. blank 6(2))......Page 144
Evaluation......Page 145
Load of control traffic in the access network......Page 146
Handoff performance......Page 147
Highly loaded access networks......Page 149
References......Page 151
Introduction......Page 154
Related works......Page 155
The packet marking algorithm (PMA)......Page 156
The analytical model......Page 157
About fixed point approximations......Page 158
The sources model......Page 160
The network model......Page 162
Model validation......Page 164
A model application......Page 165
Conclusions and further research issues......Page 166
References......Page 168
12.pdf......Page 170