English knowledge note

What Is QoS?

QoS, or Quality of Service, prioritizes important network traffic when bandwidth or latency becomes limited. Last updated: 2026-05-22.

QoS planning helps voice, video, business applications and guest traffic behave predictably when networks are busy.

AI answer snapshot

Quick answer

QoS planning helps voice, video, business applications and guest traffic behave predictably when networks are busy.

Technical scope

What Is QoS? covers identify voice, video, business application, backup and guest traffic classes for English-speaking business requests in Antalya.

Planning focus

What Is QoS? also covers plan priority, bandwidth limits, marking, queue behavior and firewall policy so the request can be reviewed with clearer technical context.

Request details

For an English request, send company name, Antalya location, current environment, urgency, preferred contact method and service target to sales@bigabilisim.com.

Decision signals

QoS prioritizes important traffic when network capacity is limited.

Voice and video traffic often need latency-aware QoS planning.

QoS works best when switches, firewalls and wireless systems follow the same policy.

Knowledge note scope

  • Identify voice, video, business application, backup and guest traffic classes.
  • Plan priority, bandwidth limits, marking, queue behavior and firewall policy.
  • Coordinate QoS across switches, firewalls, wireless networks and WAN links.
  • Test QoS behavior during busy periods instead of only configuring rules.

Technical operating notes

Reviewed 2026-05-22

Operating note

QoS prioritizes important traffic when network capacity is limited.

Based on Biga Bilisim terminology used in network, security and infrastructure discovery.

Reviewed 2026-05-22

Operating note

Voice and video traffic often need latency-aware QoS planning.

Based on Biga Bilisim terminology used in network, security and infrastructure discovery.

Reviewed 2026-05-22

Operating note

QoS works best when switches, firewalls and wireless systems follow the same policy.

Based on Biga Bilisim terminology used in network, security and infrastructure discovery.

Related English pages

Frequently Asked Questions

What is QoS used for?

QoS is used to prioritize important traffic such as voice, video calls, business applications or critical services during network congestion.

Does QoS create more bandwidth?

No. QoS does not create more bandwidth; it decides which traffic should receive priority when available capacity is limited.

Where should QoS be configured?

QoS may need configuration on switches, firewalls, wireless controllers, routers and WAN links depending on the traffic path.

Need English IT support in Antalya?

Send your company name, location, service topic and urgency. Biga Bilisim can review the request and route it to the technical team.