Chai-LX HP Chai-LX

Reading : Chai l x
Field :
Programming Java Chai-LX

The Hewlett-Packard corporation announced in 2001 August, it installs,the Java platform for Linux environment. As for "Chai" for the installed equipment of the same company makewithJava execution environment, as for Chai-LXit isthe development executionenvironmentof Java whichis directedtoportable telephoneand PDA andthe digitalhome appliance etc. which operate with Linux.

The Hewlett-Packard corporation developed, it installs, for the equipmentthe Java hypothetical machine. It was developed as the portion of Chai Appearance Platform.

The superiorinterchangeabilityof Personal Javaand correspondence to rial-time processing,the correspondenceto JNI and being smallest, the compact which it can mountfromapproximately 250KB and so on feature. In addition, if it combines with the Java cord/codecompressedtechnology "Chaifreezedry" which the same company developed,it can reducealso the size of Java application.

It is regardedthe rival of the Javahypotheticalmachine"KVM " of J2ME, but Chai without receiving the licenseof the Sun corporation, it was developed, because, is called the "Javaclone" different from KVM which the SunMicrosystemscorporation developed.

Chaoji VCD SVCD

Alias :
Super video CD
Field :
Storage optical disk CD Chaoji VCD

Specificationin orderto recordthe imagevoice data which in CD was compressed with the MPEG-2 format.Standardization job is advanced with ISO.

With Video CD 2.0 which is the standard which has become the cause, because you supposethe CD-ROMdrive of single speedas environment for playback, onlythe picture qualityof early VHS stream speed of the data which cannot be actualized, it was restricted to approximately 1.5Mbps (image 1.15Mpbs and sound 224kbps).

Then, presently widely utilizing the systemof CD which has spread that way,higherpicture quality treble quality than Video CD the fact that in order to offer image and sound it was developed in the Chinese country was "Chaoji VCD" (super class VideoCD), this came to the point of being called in the name, "Super Video CD " it is standardized internationally up to reaching

CHAP Challenge handshake certification protocol

Full spelling : Challenge Handshake Authentication Protocol
Field :
Security certification CHAP

Oneof the certification systems which are utilized with PPP and the like. Because exchanging the informationof certificationis encoded,is highersafety than such as PAP. With CHAP, the random number character string which is called "challenge" firstyou sendtothe clientfrom the server.The client returns this encoding itself password on the basis of.Because the server has remembered the password of the client, encodingin the same way, it is possibleto do the certification of the user by the fact that it compares with the resultandthe code which is returned from the client. Being wire tapped this exchanging with halfway route, as for entering into the hand because it is the information which is encoded, there are no times when it is stolen the password. In addition, even while connecting there are no with several degrees and by the fact that challenge is transmitted, also"the better behavior whichdoes to become " they can prevent.

Chernobyl

Field :
Security virus/worm Chernobyl