A Professional’s Guide to Data Communication in a TCP/IP World phần 4 ppsx
A Professional''''s Guide To Data Communication In a TCP/IP World pptx
... contain additional facilities that are used to detect and isolate line
and equipment problems.
2.2 Making a Data Call
Consider a host (Host A) in a multilocation company that needs a data file to ... enough information to identify the
datagram, the message includes the IP header and the first 8 bytes of the datagram
payload. A listing of a destination unreachable fram...
A Professional’s Guide to Data Communication in a TCP/IP World phần 3 pptx
... accommodated, and a header and trailer
are constructed. Added to the IP datagram, they form the IP frame.
ã
In the physical sublayer the logical data stream is converted to a signal stream
to match ... modem mediated analog telephone lines), so that a
flag character or an escape character within the IP datagram payload shall not inter-
rupt transmission, PPP employs character...
A Professional’s Guide to Data Communication in a TCP/IP World phần 4 ppsx
... delivered to the Internet layer at
72 Wide Area Networks
ATM
adaptation
layer
ATM layer
Physical
layer
AAL Convergence sublayer
AAL Segmentation and
reassembly sublayerAAL
IP datagram
48 byte cells
53 ... IPdatagram
AAL type
Bit rate
Connection
mode
12
3 /4
5
Con-
stant
Variable
CO
CO
CL
CO
Voice Video
Data IPdgm
Application
ATM network interface layer
ATM adaptation layer parameters
Fi...
A Professional’s Guide to Data Communication in a TCP/IP World phần 5 ppt
... datagrams.
Encapsulating
header
Authentication
header
Original datagram D(1)
IPSec authentication tunneling datagram D(2)
ESP
authentication
ESP
header
ESP
trailer
Original datagram D(1)
IPSec encapsulating ... generates an IP datagram addressed to an enterprise destination. This
datagram is encapsulated in a PPP frame and may be encrypted. It becomes the users
data in a second IP...
A Professional’s Guide to Data Communication in a TCP/IP World phần 6 potx
... bytes
23 data bytes
23 data bytes
23 data bytes
23 data bytes
23 data bytes
23 data bytes
23 data bytes
23 data bytes
23 data bytes
23 data bytes
23 data bytes
23 data bytes
23 data bytes
23 data bytes
23 ... The transport overhead contains data that monitors
and manages the optical line between the originating and terminating SONET
multiplexers.
Payloads that or...
A Professional’s Guide to Data Communication in a TCP/IP World phần 7 pdf
... Voice and Data
Transporting the caller’s voice and the response of the called party between
originating and terminating terminals is straightforward. Setting up and managing
the call requires a ... Control Point (IN)
SS7 Signaling System #7
STP Signal Transfer Point
Analog signal
associated
in- band
signaling
(DTMF)
TDM signal
associated common
channel signaling
Inter-office disassocia...
A Professional’s Guide to Data Communication in a TCP/IP World phần 8 ppt
... Frame
HEADER
PREAMBLE (8 bytes): 0ìAA-AA-AA-AA-AA-AA-AA-AB
DESTINATION ADDRESS (6 bytes): If address is unicast, contains the hardware
address of a specific station. If address is multicast, carries ... standard
PAYLOAD: IP Datagram
IEEE 80 2.5 TRAILER: standard
B.4.2 Tag for IEEE 80 2.3 (Ethernet) Frame Encapsulating an IP Datagram
IEEE 80 2.3 MAC HEADER: standard
IEEE 80 2.2 LLC HEAD...
A Professional’s Guide to Data Communication in a TCP/IP World phần 9 doc
... The act of sharing data among devices. The act of transfer
-
ring data among data processing machines over communication links under the
control of communication protocol(s).
Datagram A protocol ... follows
as a Token Ring MAC management frame or a Token Ring data frame. The address
fields contain the hardware addresses of the destination and source.
IEEE 802.5 LAN Token Rin...
A Professional’s Guide to Data Communication in a TCP/IP World phần 10 ppt
... datagram.
Server A device that stores data, organizes and maintains databases, and delivers
copies of data files to clients on demand. A process that stores and distributes data.
Service access point A port ... observing traffic flow, the switch maps
VLANs to ports to ensure an up -to- date database.
Protocol data unit Data exchanged between peer layers in a protocol...
artech house a professionals guide to data communication in a tcp ip world 2004 phần 1 pps
... World? 18 1
B .1. 1 UDP Header 18 1
B .1. 2 TCP Header 18 1
B .1. 3 IPv4 Header 18 2
B .1. 4 IPv6 Header 18 3
B .1. 5 ICMP Frame 18 3
B .1. 6 Echo Request and Reply Messages 18 4
B .1. 7 Destination Unreachable Message ... 16 8
A. 4 .1 Signal Classification 16 9
A. 4.2 Baseband Signal Formats 17 0
x Contents
TLFeBOOK
A Professional’s Guide to Data
Communication in...
artech house a professionals guide to data communication in a tcp ip world 2004 phần 2 ppsx
... contain additional facilities that are used to detect and isolate line
and equipment problems.
2. 2 Making a Data Call
Consider a host (Host A) in a multilocation company that needs a data file to ... that supported many terminals (often
characterized as dumb terminals).
Server: A data processing device that stores data, organizes and maintains
databases, and delivers...
artech house a professionals guide to data communication in a tcp ip world 2004 phần 3 pdf
... Figure 3. 13 shows an FDDI frame that encapsulates an IP datagram.
Intentionally, it is very similar to frames for IEEE 802 .3 and IEEE 802.5. Like them,
when transporting IP datagrams and ARP messages, ... modem mediated analog telephone lines), so that a
flag character or an escape character within the IP datagram payload shall not inter-
rupt transmission, PPP employs characte...
artech house a professionals guide to data communication in a tcp ip world 2004 phần 4 pot
... 802.3 Token Ring FDDI
Preamble Variable
0ìAA-AA -A
A-AA-AA -A
A-AA-AB
0ìAA-AA-AA-AA-
AA-AA-AA-AA
No
0ìAA-AA
MAC Header
Starting delimiter 1 byte No 0ìAB JK JK
Access control 1 byte No No Yes No
Frame ... over link AG. Because frame 3 takes
the path AGC, and frames 1 and 2 take the path AEFGC, frame 3 arrives at C
ahead of frames 1 and 2.
4. 2 Nonbroadcast Multiple Access Links 67
321
6 54...
artech house a professionals guide to data communication in a tcp ip world 2004 phần 5 potx
... in IPv4 and IPv6 datagrams.
Encapsulating
header
Authentication
header
Original datagram D(1)
IPSec authentication tunneling datagram D(2)
ESP
authentication
ESP
header
ESP
trailer
Original datagram ... and wrapped (encapsulated) in a second IP datagram. I will call this
datagram D[D(1)]2 to symbolize an encrypted IP datagram [D(1)] encapsulated by a
second datagram D(2). D(2) c...
artech house a professionals guide to data communication in a tcp ip world 2004 phần 6 potx
... The transport overhead contains data that monitors
and manages the optical line between the originating and terminating SONET
multiplexers.
Payloads that originate from the T-carrier family consist ... contains data
that monitors and manages the electrical and optical connections between originat-
ing and terminating multiplexers. To the SPE are added 27 bytes of transport
overhead to...