[Documents Index] All you need for Sangfor WANO

Sangfor Jojo Lv4Posted 26 Oct 2021 10:47

All thedocuments you need to know about Sangfor WAN Optimization.

The Basics




TechnicalSupport Certification Materials



1. What is LAN?
LAN stands for local area network and is a computer network with a group of computers and devices that are interconnected within a limited area through a common link.

2. What is WAN?
WAN refers to Wide Area Network, which is a computer network that expands to a large geographical area, and usually consists of two or more LANs. WAN is used to connect LANs together so users in different locations can be gathered into one location to communicate and exchange data. It is usually done through leased lines or satellites.

3. What is Packet Loss?
Packet loss occurs when a packet of data fails to reach a specific destination. This can cause an obvious effect in certain scenarios such as video conferences by affecting its quality.

4. What is Network Latency?
Network latency is the time it takes for a packet of data to reach a specific destination. Low network latency describes small delay times, while high network latency describes long delay times.

5. What is Protocol Chattiness?
Protocol Chattiness (or Chatty Protocol) is an application or protocol that requires an acknowledgment between a client or server before the next packet can be sent.

6. What is Redundant Data?
PIn data transmission, data redundancy refers to data additionally created to the actual data. This is usually used to correct errors in transmitted data. However, sometimes it can create a large amount of data and affect the network speed.

7. What is TCP?
Transmission Control Protocol (TCP) is one of the main transport layer protocols which applications are using to exchange data packets over the internet.
TCP will ensure that the data packets sent are received in their entirety, and recover them if any packet is lost during the transmission.

8. What is UDP?
User Datagram Protocol (UDP) is an alternative to TCP used for applications that do not require error checking and can accept some packet loss. It is not as reliable as the TCP protocol, however, its low latency and loss tolerating characteristics make it suited for applications such as streaming and VoIP.

9. What is HTP?
HTP (High-Speed Transmission Protocol) technology is an optimization technology based on the transmission layer. It can improve link quality and transmission performance of applications and therefore help users gain a better experience.

10. What is FEC?
Forward Error Correction (FEC) technology is an optimization technology to enhance data reliability. It can correct data errors prior to data transmission.

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