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HP e-Commerce Server Accelerator sa7120 User Manual

Page 186

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G L O S S A R Y

HP e-Commerce Server Accelerator SA7100/SA7120 User Guide

176

Fulfillment Server

A server that stores content used to satisfy user requests.

HTTP

Hypertext Transfer Protocol: the protocol used between a Web
browser and a server to request a document and transfer its contents.

HTTPS

HTTP exchanged over an SSL-encrypted session.

Inline

When the SA7100/SA7120 is able to process SSL traffic, the Inline
LED on the front panel is lit (blinking or steadily illuminated).

IP

Internet Protocol

IP Address

A unique identifier for a node on an IP network. Expressed in “dotted
decimal” notation. For example: 10.0.0.1.

IP Service

A network-accessible, IP-accessible Application Protocol. For
example: HTTP, FTP, and the like.

Key

A public key and private key pair used to encrypt/decrypt messages.

Key Strength

Length, in bits, of keys used in data encryption or authentication. For
example: 56, 128, 512.

Keypair

Matching public and private keys.

Load Balancing

The distribution of processing and communications activity across a
computer network so that no single device is overwhelmed. Load
balancing is particularly important for networks on which it is
difficult to predict the volume of requests likely to be issued to a
server. Busy Web sites typically employ two or more Web servers in
load balancing roles.

Port

In the context of TCP/IP sessions, a unique protocol-specific handle.

Private Key

The part of a key in a public key system that is kept secret and used
only by its owner. It is used for decrypting messages and for making
digital signatures.

Public Key

The part of a key in a public key system that is distributed widely, and
is not kept secure. Used for encryption or for verifying signatures.

Service

A service is an IP application paired with a port number. For
example: “HTTP:80.” This describes a service consisting of a
server's HTTP application listening on port 80. Another example of a
service: “FTP:21.”

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