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Very basic way to define the correct Internet Speed is utilize the rule of thumb:

• 500 KBps is good, 5000 KBps is great, and 50 KBps is terrible.
• We have definitely moved past the age of dial-up internet.
• Have in mind at least ADSL internet, if not cable.

Edited by Narue because: Snipped fake signature
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A single “best” Internet speed for business does not exist — it depends on application mix, concurrency, latency sensitivity and the service-level commitments from the ISP. Several posters in this thread offered useful heuristics: and gave size-based presets, offered a quick rule-of-thumb (which mixed KBps and Kbps and can be misleading), and correctly emphasized that workload matters. A clear starting point is to stop using headline numbers alone and measure actual peak concurrency and application profiles.

A practical capacity method: estimate concurrent sessions per application, multiply by a sensible per-session bandwidth, sum the results, then add headroom. A compact formula:
Required_Mbps = (sum of concurrent_sessions * per_session_Mbps) * 1.25
Typical session guidance to use in that formula: light web/email 0.1–0.5 Mbps, remote desktop 0.5–1.5 Mbps, standard video conferencing 1–3 Mbps, HD video 3–6 Mbps, VoIP ~0.06–0.12 Mbps per active call. Cloud sync and backups are bursty and can consume large capacity unless scheduled or throttled.

Specific to ’s 0.8 Mbps fiber note: that level will be usable only for a handful of users doing light browsing and email. For multiple staff, VoIP, remote desktops, or cloud apps it will be an immediate bottleneck. Verify actual conditions by running peak-hour speed tests, checking upload vs download, and monitoring router/firewall throughput, CPU and concurrent sessions.

Operational checklist: profile real traffic with SNMP/NetFlow for a week; prioritize critical traffic with QoS; schedule and throttle backups; ensure firewall/NAT/VPN throughput exceeds link capacity; require ISP SLA and reasonable contention for business links; and plan redundancy for resilience. These steps turn vague “Mbps” rules into a capacity plan that matches real business needs.

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Member Avatar for Majestics

Small business dont require more then 2Mbps
Medium size business require atleast 10Mbps
Large Business already have a setup with ISP's So they posses multiple Wan Connection and a large Setup...

Member Avatar for Gloriahunt

2mbps would be good for small companies
10mbps would be better for more then 100 employees companies

Member Avatar for usahomegoods

Depends on the work load and work pattern of the organization. A small apparel shop having a 512kbps connection would be far more happy than a small IT company.

Member Avatar for commodity

Its depend on the work.

Member Avatar for carolyncole

Very basic way to define the correct Internet Speed is utilize the rule of thumb:

• 500 KBps is good, 5000 KBps is great, and 50 KBps is terrible.
• We have definitely moved past the age of dial-up internet.
• Have in mind at least ADSL internet, if not cable.

We use fiber-optic internet connection in our office.
Its 0.8mbps. Is is good or bad?

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