Computer Networking A Top-Down Approach Featuring the Internet phần 6 pot
Computer Networking A Top-Down Approach Featuring the Internet phần 6 pot
...
carried as the payload of an IP unicast datagram - a complete multicast IP dagram inside of a unicast IP
datagram! The unicast datagram is then addressed to the unicast address of router B and ... When the unicast
datagram arrives at B, B then extracts the multicast datagram. B may then forward the multicast
datagram on to one of its attached hosts, forward the packet to...
Computer Networking A Top-Down Approach Featuring the Internet phần 5 potx
... data, whereas packets for many wide-area links can carry no more than 5 76 bytes. The maximum amount of data that a
link-layer packet can carry is called the MTU (maximum transfer unit). Because ... 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 datag...
Computer Networking A Top-Down Approach Featuring the Internet phần 1 pptx
... 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 6.
Our ... Daytona Beach another gas station attendant
also extracts the Orlando portion of the address and tells Joe that he should take I-4 directly to Orlando.
Joe takes I-4 and gets of...
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 o...
Computer Networking A Top-Down Approach Featuring the Internet phần 3 doc
... 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, which contains ... 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 pair...
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 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...
Computer Networking A Top-Down Approach Featuring the Internet phần 9 pptx
... to authenticate Alice by verifying that the source address on the IP datagram carrying the
authentication message matches Alice's well-known address. If so, then Alice would be authenticated. ... 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 since th...
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