tmobile network evolution
Tổng quan về NAT (Network Address Translation)
Ngày tải lên :
15/08/2012, 10:40
... cả các DNS data đã được relay bởi NAT
Phần I:
Giới thiệu tổng quan về NAT (Network Address Translation)
I : NAT (Network Address Translation) là gì ?
NAT giống như một router, nó chuyển tiếp ... truy tìm chỉ IP thì hoàn toàn không hiệu quả. Đó là trong các
ứng dụng virtual server và virtual network bởi vì traffic được sinh ra bởi một IP thì không thể nào
phân chia được nữa. Khi chúng ... thế cho nhiều host thật sự (real server) . Chúng ta cũng có thể tạo ra kết nối mạng ảo (virtual
network) gồm nhiều mạch thật sự (real wire) dùng kỹ thuật virtual server.
Chúng ta có thể làm điều...
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ORACLE NETWORK CONFIGURATION
Ngày tải lên :
01/09/2012, 09:45
... TRẢ LỜI BÀI TẬP ORACLE
CHƯƠNG 26
ORACLE VÀ CẤU HÌNH MẠNG
(ORACLE NETWORK CONFIGURATION)
1. Listener là gì? Cáùc Service chính nào được dùng để phục cho
việc truy...
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Network Managerment
Ngày tải lên :
12/09/2012, 15:05
... manager
of exceptional event
Network Management 9-17
SNMP protocol: message formats
Network Management 9-2
Chapter 9: Network Management
Chapter goals:
❒
introduction to network management
❍
motivation
❍
major ... Reserved
Network Management 9-5
Infrastructure for network management
agent
data
agent
data
agent
data
agent
data
managed device
managed device
managed device
managed device
managing
entity
data
network
management
protocol
definitions:
managed ... IP routes.”
REVISION “019331000Z”
………
::= {mib-2 48}
Network Management 9-4
What is network management?
❒
autonomous systems (aka network ): 100s or 1000s
of interacting hardware/software...
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Network Layer
Ngày tải lên :
12/09/2012, 15:06
... link
physical
network
data link
physical
network
data link
physical
network
data link
physical
network
data link
physical
network
data link
physical
network
data link
physical
application
transport
network
data link
physical
application
transport
network
data ... link
Network Layer 4-11
Network layer connection and
connection-less service
❒
datagram network provides network- layer
connectionless service
❒
VC network provides network- layer
connection ...
layer
❒
network layer protocols
in
every
host, router
❒
Router examines header
fields in all IP datagrams
passing through it
network
data link
physical
network
data link
physical
network
data...
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Network Security
Ngày tải lên :
12/09/2012, 15:06
...
K
A-KDC
(A,B)
K
A-KDC
(R1, K
B-KDC
(A,R1) )
8: Network Security
8-2
Chapter 8: Network Security
Chapter goals:
❒
understand principles of network security:
❍
cryptography and its
many
uses ... All Rights Reserved
Computer Networking:
A Top Down Approach
Featuring the Internet
,
3
rd
edition.
Jim Kurose, Keith Ross
Addison-Wesley, July
2004.
8: Network Security
8-47
Key Distribution ... create
a packet
“spoofing”
Alice’s address
“I am Alice”
Alice’s
IP address
8: Network Security
8-1
Chapter 8
Network Security
A note on the use of these ppt slides:
We’re making these slides...
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Windown 2003 network security
Ngày tải lên :
14/09/2012, 09:57
...
Topic 3G
Windown 2003 network security
Trong chủ đề này, bạn sẽ xem xét các tác động của biến bật / tắt các giao thức NetBIOS trên một
máy Windown 2003.NetBIOS là viết tắt của Network Basic Input ...
spooled để tăng tốc độ in ấn.
17. Chọn Keep Printed Documents, và click OK.
18. Nhấp đôi chuột vào My Network Places.
19. Nhấp đôi chuột vào Computers Near Me.
20. Nhấp đôi chuột vào printer server...
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Mobile Communication System Evolution
Ngày tải lên :
14/09/2012, 11:26
... developed to allow network to network interworking. With this in mind,
it has been decided that a more elegant solution to the requirements for the evolution of the
IS-136 network towards a packet-oriented ... is an
evolution of IS-136, makes use of the enhanced data rates for GSM evolution (EDGE)
radio interface.
Mobile Satellite Communication Networks24
duction of this new technology provided network ... System Evolution 7
Network Architecture A simplified form of the GSM network architecture is shown in
Figure 1.5.
Mobile Station (MS) A subscriber uses an MS to access services provided by the
network. ...
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Network Procedures
Ngày tải lên :
14/09/2012, 11:26
... network (serving network) to a terrestrial network or
vice versa due to one of the reasons identified during the handover initiation phase.
Handovers involved in two different but integrated networks ... networks. In designing a satellite network, the need
for inter-FES handover should be kept to a minimum.
Integrated Satellite-Terrestrial Network Scenario In an integrated network, an on-going
call may ... For a group usage terminal, access
to the network may still be maintained so that other users registered on this terminal can still
access the network.
Network Procedures 235
required. The path...
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Mobile Communication System Evolution
Ngày tải lên :
14/09/2012, 11:26
... Negative ACK
NAHO Network Assisted HO
NCC Network Control Centre
NCC PLMN Colour Code
NCHO Network Controlled HO
NGSO Non-Geostationary Satellite Orbit
NMS Network Management Station
NMSS Network Management ... Terminal
RHVN Registration Handler Visited Network
RIMS Ranging and Integrity Monitoring Station
Mobile Satellite Communication Networks342
BFN Beam Forming Network
BGAN Broadband GAN
BPSK Binary ... Point Code
Mobile Satellite Communication Networks348
RLM Rice-Lognormal Model
RMSS Receiver Maximum Segment Size
RNC Radio Network Controller
RNS Radio Network Subsystem
RPE-LPC Regular Pulse...
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Software evolution
Ngày tải lên :
14/09/2012, 11:41
... and evolution
Change proposalsNew system
Change identification
process
Software evolution
process
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 21 Slide 24
The system evolution ... in
software evolution
To discuss an approach to assessing
evolution strategies for legacy systems
©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 21 Slide 3
Topics covered
Program evolution ... ©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 21 Slide 22
Evolution processes
Evolution processes depend on
• The type of software being maintained;
• The development...
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Network Management Quản trị hệ thống mạng
Ngày tải lên :
15/09/2012, 10:03
... Introduction to Networking Management
3. Simple Network Management Protocol
4. Network Security
5. Outsourcing the Network I – Cloud Computing &
SaaS
6. Outsourcing the Network II – Green ... 10% (PF) + 50% (FE)
• Sinh viên đậu khóa học khi:
Tổng điểm ≥ 5 và
Thi cuối môn học ≥ 5 (of 10)
Network Management
Quản trị hệ thống mạng
Vũ Trí Dũng
dungvt@uit.edu.vn
Tài liệu tham khảo
• Dùng ... Cloud Computing &
SaaS
6. Outsourcing the Network II – Green IT and SAN
7. Managing Wireless Networks
...
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The network layer Addressing and routing
Ngày tải lên :
17/09/2012, 09:13
... supposed that 2 IP sub -network share physically the same LAN. The stations on each
sub -network then will see circulating all the packets diffused on the physic network.
1
The network layer
Addressing ... rental
lease)
7
- Engineers network link: 2B-14-62-91-C9-B1
- Engineers network link towards the external router: 2B-14-62-3F-39-21
- Commercial network link: 1C-96-AA-F4-C2-91
- Commercial network link towards ... 194.12.230.140.
1. Propose a mask of sub -network for the network of company.
194.12.230.0 is a Class C address, the last byte must be used to encode the numbers of
sub -network and the numbers of hosts...
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Securing the Network Infrastructure
Ngày tải lên :
17/09/2012, 10:43
... many false alarms
Network Monitoring and
Diagnostic Devices
•
SNMP enables network administrators to:
–
Monitor network performance
–
Find and solve network problems
–
Plan for network growth
•
Managed ... and network equipment
–
Can be used independently of the network and can
have their own applications installed
•
Server: computer on a network dedicated to managing
and controlling the network
•
Basic ... information and
infecting the network
Hardening Network Security Devices
•
The final category of network devices includes those
designed and used strictly to protect the network
•
Include:
–
Firewalls
–
Intrusion-detection...
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Outsourcing the Network II - Green IT and SAN
Ngày tải lên :
17/09/2012, 10:43
... giữa sáng kiến và
hiệu quả của nó
SAN solution
Hợp nhất việc lưu trữ
•
SAN (Storage Area Network) và NAS (Network Attached Storage)
là hai cách để tổ chức lại một hệ thống vào trong một nguồn ... chủ
thông qua một card adapter, và thiết bị lưu trữ chỉ phục vụ cho một
server duy nhất
•
NAS (network attached storage): là một dạng mạng LAN cơ bản
chạy trên máy chủ file server sử dụng giao...
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