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L7 switch <Layer 7 switch>
Alias:
layer 7 switch
Field:
Network technology > network control > L7 switch
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Among the multiple layer switches, application layer of the OSI reference model (7th layer) the equipment whose it is possible to do routing processing on the basis of the data. Also the application switch is called.
In many cases, routing processing is done data link layer MAC address and network layer making use of IP address, but in the layer 7 switch protocol of the application layer level of HTTP and FTP etc is recognized, it is possible to control destination on the basis of the concrete communication contents of the packet.
The unique product which does the record of the data in order fire wall and IDS does load balancing and redundancy conversion, to do contents rating has appeared. In addition, as the decoy server who takes the record of crime as of the server who receives attack there is also a product which had function.
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Label Gate CD <Label gate CD>
Field:
Security > right protection > Label Gate CD
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| The SONY group developed, CD standard of the copyright protection functional attachment. Because copy control CD (CCCD) in one kind, the technology which is not based on the specification of CD in part is used, “CD” it is not accurate and is.
The voice data to which the voice data which can be played back with the usual audio equipment was recorded and the and, using the private software of the copyright protection functional attachment can play back on the personal computer was recorded has divided into the
But as for the sound which is recorded to the first session area with the general audio equipment reproducible, in order reading not to be able to duplicate with the personal computer, there is a possibility where workmanship is administered, cannot play back even with the audio equipment of part. |
LAMP
Reading: Lamp
Full spelling: Linux+Apache+MySQL+PHP/Perl/Python
Field:
WWW > Server > LAMP
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Although Web application of database gearing type is developed, combination of the open source software whose popularity is high. Linux, it is the system which in the Web server uses PHP or Perl or Python for MySQL and programming in Apache and the database in OS. It is combination of the software which can be called fixed turn in the respective field. As for the combination which
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LAN <Local area network>
Reading: Run
Full spelling: Local Area Network
Field:
LAN > LAN
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From using twisted pair line and the coaxial cable and the optical fiber etc, the network which connects the computer and the printer etc which is in the same building, exchanges the data.
There is a type of star type LAN, ring type LAN and bus type LAN etc depending upon connected form, Ethernet, FDDI and Token there are Ring etc several types in addition depending upon communications control system.
Most as for having spread with Ethernet standard, even among them, used the twisted pair cable are the star type LAN which which is main current. |
LAN Manager <LAN manager>
Reading: Run manager
Field:
Windows > Network > LAN Manager |
| The Microsoft corporation and the 3Com corporation being joint, for the personal computer which was developed network operating system (NOS). From the eighties applying on nineties first half, NetWare and the like of the Novell corporation and it played the share dispute.
It is constituted from the LAN Manager server who operates with OS/2 and the LAN Manager client who operates with MS-DOS and Windows and Mac OS. LAN Manager server functional part was taken in by Windows NT afterwards, became the foundation of the technology which is known presently as
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