Computer Networking A Top-Down Approach Featuring the Internet phần 9 pptx
Computer Networking A Top-Down Approach Featuring the Internet phần 9 pptx
...
[RSA 199 9b] RSA Laboratories, "How fast is RSA,"
http://www.rsa.com/rsalabs/faq/html/3-1-2.html
[RSA 199 9c] RSA Laboratories, "RSA Labs FAQ,"
http://www.rsa.com/rsalabs/faq/index.html ... that:
● the sender of the data is as claimed, i.e., that the sender has signed the data and this
signature can be checked
● the transmitted data has not been changed sin...
Computer Networking A Top-Down Approach Featuring the Internet phần 1 pptx
... by paying more a state of affairs that some (particularly Americans!) find
odd. We'll take a look at state-of -the art Internet research that is aimed at changing this situation in Chapter ... media, electrical media, print media, and even oral and scribal culture.
References
[Almanac 199 8] Computer Industry Almanac, December 199 8, http://www.c-i -a. com/
[AT&T 199 8] &...
Computer Networking: A Top Down Approach Featuring the Internet - Chapter 9 Network Management potx
... 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 devices
contain
managed objects
whose
data ...
Request
Trap
Agent-to-mgr: inform manager
of exceptional event
Network
Management
9- 7
Chapter 9 outline
❒
What is network management?
❒
Internet- standa...
Computer Networking A Top-Down Approach Featuring the Internet phần 2 ppsx
... proach%2 0Featuring% 2 0the% 2 0Internet/ protocol_stacks.htm (6 of 7)20/11/2004 15:51:44
ATMover
(AAL), the ATM Layer, and the ATM Physical Layer:
ATM Adaptation Layer (AAL)
ATM Layer
ATM Physical Layer
... i.e., no data loss.
In particular, a loss of file data, or data in a financial transaction, can have devastating
consequences (in the latter case, for either the bank or...
Computer Networking A Top-Down Approach Featuring the Internet phần 3 doc
... half the program is almost identical to TCPServer.java. As
with TCPServer.java, we import the java.io and java.net packages. In addition to these two packages
we also import the java.util package, ... of the data. These retransmissions are completely transparent to the application programs.
The DNS lookup is also transparent to the application programs.
To test the program...
Computer Networking A Top-Down Approach Featuring the Internet phần 4 ppt
... msec. Assuming for simplicity that ACK packets are the same size as data
packets and that the receiver can begin sending an ACK packet as soon as the last bit of a data packet is received, the last ... integrity of the data in the datagrams. With IP service, datagrams can overflow router buffers and never
reach their destination, datagrams can arrive out of order, and bits in...
Computer Networking A Top-Down Approach Featuring the Internet phần 5 potx
... to "fragment" the data in the IP datagram among two or more smaller IP datagrams, and then send these smaller
datagrams over the outgoing link. Each of these smaller datagrams is referred ... data, whereas packets for many wide-area links can carry no more than 576 bytes. The maximum amount of data that a
link-layer packet can carry is called the MTU (maximum transfer...
Computer Networking A Top-Down Approach Featuring the Internet phần 6 pot
... forward the unicast packet to B,
blissfully unaware that the unicast datagram itself contains a multicast datagram. When the unicast
datagram arrives at B, B then extracts the multicast datagram. ... each of the receivers. What are the drawbacks of this approach compared to the
approach that provides native multicast support at the network layer? What are the advanta...
Computer Networking A Top-Down Approach Featuring the Internet phần 7 pps
... make Ethernet simple and cheap. But it also means that the stream of datagrams passed to the
network layer can have gaps.
If there are gaps due to discarded Ethernet frames, does the application-layer ... router. ATM in the entry router indexes an ATM table to determine the VCI for the VC that
leads to the ATM destination address. AAL5 then creates ATM cells out of the IP d...
Computer Networking A Top-Down Approach Featuring the Internet phần 8 docx
... phone application. The UDP segment is encapsulated in an IP datagram, and the IP
datagram makes it way through the network towards the receiver. As the datagram wanders through the network, it passes ... TCP.
Address translation is one of the more important gatekeeper services. Each terminal can have an alias address, such as the name of the person at the
terminal, the...
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