energy optimization in ip over wdm networks
các giải pháp truyền tải ip over wdm
Ngày tải lên :
20/06/2014, 22:49
... 32
λ
WDM
STM16c/ATM
interface
IP
router
STM16c/ATM interface
STM16c
interfaces
STM1/ATM
interface
Hình 4: Biểu diễn kiến trúc mạng khả thi sử dụng IP/ ATM/SDH over WDM.
Theo cách này, các gói IP ...
tuyÕn
Lí p
truyÒn t¶i
IP
POS SDH
WDM
IP
Ethernet
GbE SDH
WDM
IP
MAPOS
WDM
SDL
RPR Ethernet SDH
SDH (VCnc)/LAPS
IP ATM
ATM
Cell Based SDH
WDM
ATM
IP ATM
DTM
SDH frame
DTM frame
based
WDM
DTM
Lí p
m¹ng ... thời gian ngắn. Điều này đảm bảo
14
• IP/ DTM/SDH(khung) /WDM
• IP/ LAPS/SDH(khung) /WDM
• IP- MPLS/SDH(khung) /WDM
• IP- MPLS/quang (Digital Wrapper -G.907)
• IP- GMPLS/quang
Cần biết rằng nguyên lý...
- 86
- 842
- 1
báo cáo hóa học: " Handoff optimization in 802.11 wireless networks" pot
Ngày tải lên :
21/06/2014, 02:20
... data link layer determines a target access
point (AP). In order to reduce the time in processing a
handoff, its operations must be integrated across layers.
Even though lower-laye r protocols involved ... [4], was proposed using session initiation proto-
col (SIP) [5], some network and data link layer opera-
tions can be integrated, for example an IP address pre-
fetching and link layer call admission.
The ... potential hidden terminal effect; RTTs:
round-trip times; SIP: session initiation protocol; SNR: signal-to-noise ratio.
Competing interests
The authors declare that they have no competing interests.
Received:...
- 16
- 605
- 0
Quality of Service in IP Networks
Ngày tải lên :
06/04/2013, 11:05
... flows sending large packets get more
l cost of flow classification
Queue Management
3
Improving QOS in IP Networks
o IETF groups are working on proposals to provide better QOS
control in IP networks, ... details in Network Calculus course
Queue Management
2
Contents
o Principles
o Traffic shaping
l leaky bucket
l token bucket
o Scheduling strategies
l FIFO
l Priority
l Round Robin
l Fair Queueing
l ... give priority to audio over FTP
o PRINCIPLE 1: Marking of packets is needed for router to
distinguish between different classes; and new router policy to treat
packets accordingly
Queue Management
11
Token...
- 26
- 456
- 0
Addressing in IP Networks
Ngày tải lên :
07/11/2013, 06:15
... unique within all interconnected network segments. TCP /IP
uses IP addresses as the logical addressing method. The following sections look at IP
addresses in more detail.
IP Addressing
An IP address ...
identifying from a global perspective. What we mean by global perspective is that the
address is unique on all interconnected networks, such as all internal networks in an
organization, or in a ... sense on all networks across the Internet.
The 32-bit IP address is separated into four 8-bit octets, allowing each octet to have a
value ranging from 0 to 255. Furthermore, the IP address is...
- 6
- 305
- 0
Tài liệu AN ALGORITHMIC FRAMEWORK FOR PROTECTION SWITCHING IN WDM NETWORKS doc
Ngày tải lên :
20/01/2014, 23:20
... understanding of link restoration algorithms for
mesh networks, ” in Proceedings of IEEE INFOCOM ’01.
[7] R. Barry, S. Finn and M. Medard, WDM loop-back in mesh networks, ” in Proceedings of IEEE
INFOCOM ... survivable WDM photonic network,” in
Proceedings of IEEE INFOCOM ’97.
[14] E. Modiano and A. Narula-Tam, “Survivable routing of logical topologies in WDM networks, ” in
Proceedings of IEEE INFOCOM ... find a partition for the family F, obtaining a pair of F-
disjoint paths is straightforward. This suggests a way of finding F-disjoint paths between a pair of nodes.
In particular, the disjoint...
- 9
- 299
- 0
Tài liệu Implementing Service Quality in IP Networks doc
Ngày tải lên :
24/01/2014, 14:20
... Transfer
Protocol
ICMP Internet Control
Message Protocol
IETF Internet Engineering
Task Force
IGP Interior Gateway
Protocol
IN Intelligent Networks
IntServ Integrated Services
IP Internet Protocol
IPDV Instantaneous ... Variation /IP
delay variation
IPER IP Error Rate
IPLR IP Loss Rate
IPPM IP Performance
Metrics (working
group)
IPTD IP Transfer Delay
ISDN Integrated Services
Digital Network
IS-IS Intermediate ... 265
8.2.1.1 Signalling interface 266
8.2.1.2 Internal bandwidth broker operation 267
8.2.2 Domain control 268
8.2.2.1 Link to traffic engineering 269
8.2.2.2 Means of maintaining information about
resource...
- 354
- 768
- 0
optimization in the energy industry (energy systems)
Ngày tải lên :
01/04/2014, 11:40
... E. R. Braziel. Trading hubs: Where power is traded and why. PMA OnLine
Magazine 12, 1998
3. X. Cai. An evaluation of investment incentives for maintaining system adequacy
in deregulated markets ... description of the GAs and
their properties may be found, e.g. in [28].
For solving the Single Hub Selection Problem we use the binary represen-
tation of solutions in the GA, i.e. an individual in ... Up-
ravlenija, 3:72–83, 2004. (in Russian)
6. Energy Information Administration. Derivatives and risk management in energy
industries, chapter Derivatives and risk management in the petroleum, natural
gas,...
- 533
- 423
- 0
báo cáo hóa học:" Performance assessment of IP over vehicular delay-tolerant networks through the VDTN@Lab testbed EURASIP Journal on Wireless Communications and Networking 2012, 2012:13 " pptx
Ngày tải lên :
21/06/2014, 17:20
...
Different combinations of scheduling and dropping policies are enforced on
Epidemic and Binary Spray and Wait routing protocols. As may be seen in
Figure 8a, for Epidemic routing RC combination presents ... Routing classes are connected to BSC class. The Signaling
class is responsible for generating and processing signaling messages. The
Routing class generates and processes routing protocols information, ... same location.
In [31], the authors were interested in assessing the possibility of exploring
open Wi-Fi networks in urban and suburban areas to allow data uploads
from cars to Internet servers....
- 50
- 395
- 0
Báo cáo hóa học: "Research Article An Energy-Efficient Link Layer Protocol for Reliable Transmission over Wireless Networks" pdf
Ngày tải lên :
21/06/2014, 22:20
... Yarvis, J. Heidemannt, and R. Govindan,
“Interaction of retransmission, blacklisting, and routing met-
rics for reliability in sensor network routing,” in Proceedings of
the IEEE Communications ... bits and,
consequently, the energy efficiency is an inverse function of
the probability of staying in the good state. In other words,
and as can be argued intuitively, the energy efficiency is
directly ... for reliable downstream data delivery
in wireless sensor networks, ” in Proceedings of the ACM
International Symposium on Mobile Ad Hoc Networking and
Computing (MobiHOC ’04), pp. 78–89, Roppongi...
- 10
- 329
- 0
Báo cáo hóa học: " Research Article Bandwidth Impacts of Localizing Peer-to-Peer IP Video Traffic in Access and Aggregation Networks" ppt
Ngày tải lên :
21/06/2014, 23:20
... Generation Internet Design and Engineering
(NGI ’06), pp. 255–262, Valencia, Spain, April 2006.
[11] V. Janardhan and H. Schulzrinne, “Peer assisted VoD for set-
topboxbasedIPnetwork,”inProceedings ... examines the burgeoning impact of peer-to-peer (P2P) traffic IP video traffic. High-quality IPTV or Internet TV has
high-bandwidth requirements, and P2P IP video could severely strain broadband networks. ... [11]
Localizing P2P has been discussed previously. It is not
uncommon to use the IP hop count or TTL value to localize
somewhat when choosing peering sources. Current routing
schemes in P2P networks...
- 7
- 332
- 0
Báo cáo hóa học: " Research Article Performance Optimization for Delay-Tolerant and Contention-Based Application in IEEE 802.16 Networks" pptx
Ngày tải lên :
21/06/2014, 23:20
... UL-MAP contain the correlative
information of the intervals’ usage in the following downlink
and uplink subframes, respectively, and are broadcast to all
SSs. The following downlink bursts carry ... messages: unicast polling, and
contention-based polling including multicast or broadcast
polling. In the first case each SS station is polled individually
by the BS to send the request; in the latter ... request uplink bandwidth before transmitting
data in a corresponding bandwidth grant. This means that
if an SS wants to do uplink transmission, it first sends a
request to BS during the polling interval....
- 14
- 370
- 0
Báo cáo hóa học: " Energy Efficient AODV Routing in CDMA Ad Hoc Networks Using Beamforming" potx
Ngày tải lên :
22/06/2014, 22:20
... the increase in the energy con-
sumption with the enhanced interference level caused by a
higher-density network. Figure 2 shows an energy gain with
the increase in the SIR threshold. Increasing ... 10.1155/WCN/2006/76709
Energy Efficient AODV Routing in CDMA Ad Hoc
Networks Using Beamforming
Nie Nie and Cristina Comaniciu
Depar tment of Electrical and Computer Engineering, Stevens Institute of Technology, ... beam-
forming, the energy metric routing gives a longer average
path length, which explains the higher latency obtained over
the entire SIR threshold range. The beamforming antennas
again overcome...
- 8
- 245
- 0
