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Each of the data transfer services has a set of requirements for the quality indicators. The RFC 4594 document includes the following service types:
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| Service | Indicator |
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| Losses | Delay | Jitter |
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Network Control
| low | low | low | | Telephony | very low | very low | very low | Signaling
| low | low | low | | Multimedia Conferencing | medium | very low | low | | Real-Time Interactive traffic | low | very low | low | | Multimedia Streaming | medium | medium | low | | Broadcast video | very low | medium | low | Low-Latency Data
| low | medium | very low | | Management | low | medium | medium | | High-Throughput Data | low | high | high | | Standard | undefined | | Low-Priority Data | high | high | high
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| title | In accordance to RFC 4594 |
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| Application Categories | Service Class | Signaled | Flow Behavior | G.1010 Rating |
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| Application Control | Signaling | Not applicable | Inelastic | Responsive | | Media-Oriented | Telephony | Yes | Inelastic | Interactive | | Real-Time Interactive | Yes | Inelastic | Interactive | | Multimedia Conferencing | Yes | Rate Adaptive | Interactive | | Broadcast Video | Yes | Inelastic | Responsive | | Multimedia Streaming | Yes | Elastic | Timely | | Data | Low-Latency Data | No | Elastic | Responsive | | High-Throughput Data | No | Elastic | Timely | | Low-Priority Data | No | Elastic | Non-critical | | Best Effort | Standard | Not Specified | Non-critical |
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QoS methods
The transmission of the various services is performed on a single network infrastructure, which has limited resources, therefore, mechanisms should be provided for distributing the resources between the services.
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Internal packet queuing
| Parameter | Description | InfiLINK 2x2 / InfiMAN 2x2 | InfiLINK XG / InfiLINK XG 1000 | Quanta 5 / Quanta 70 |
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| Marking criteria | A criteria that can be used to classify the incoming traffic. | PCAP expressions support (PCAP expressions allow flexible filtering based on any service header field, see the PCAP filters article) | vlan-id | vlan-id | | Auto recognition | Protocols for which the family of devices automatically recognizes the priority set in the header and puts the data in the appropriate queue. | RTP 802.1p IPIP/GRE tunnels MPLS DSCP ToS ICMP TCP Ack PPPoE | 802.1p | 802.1p | | Number of queues | The number of data queues used by the device. | 17 | 4 | 8 | | Queue management | Supported mechanisms for emptying the packets from the queues. | Strict Weighted | | QoS configuration via Web | Documentation about the traffic prioritization configuration using the Web interface.
| QoS options Traffic Shapping | Configuring QoS Switch Configuring per-VLAN | Switch settings | | QoS configuration via CLI | Documentation about the traffic prioritization configuration using the command line interface.
| qm command | Commands for switch configuration | - |
Correspondence between the priorities of the standard protocols and the internal priorities used by the InfiLINK 2x2 and InfiMAN 2x2 families of devices| Traffic class (in accordance with MINT) | InfiLINK 2x2, InfiMAN 2x2 | 802.1p | ToS (Precedence) | DSCP |
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| Background | 16 | 01 |
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| | Regular best effort | 15 | 00 | 00 | 0 | | Business 6 | 14 |
| 01 | 8, 10 | | Business 5 | 13 |
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| 12, 14 | | Business 4 | 12 |
| 02 | 16, 18 | | Business 3 | 11 |
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| 20, 22 | | Business 2 | 10 |
| 03 | 24, 26 | | Business 1 | 9 | 02 |
| 28, 30 | | QoS 4 | 8 |
| 04 | 32 | | QoS 3 | 7 |
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| 34 | | QoS 2 | 6 |
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| 36 | | QoS 1 | 5 | 03 |
| 38 | | Video 2 | 4 | 04 | 05 | 40, 42 | | Video 1 | 3 |
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| 44, 46 | | Voice | 2 | 05 | 06 | 48, 50 | | Control | 1 | 06 |
| 52, 54 | | NetCrit | 0 | 07 | 07 | 56, 58, 60, 62 |
Correspondence table between the priorities of the standard protocols and the internal priorities used by the InfiLINK XG, InfiLINK XG 1000, Quanta 5 and Quanta 70 families of devices| Traffic class (in accordance with 802.1p) | 802.1p | InfiLINK XG, InfiLINK XG 1000 | Quanta 5, Quanta 70 |
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| Background (lowest priority) | 00 | 1 | 0 | | Best Effort | 01 | 1 | | Excellent Effort | 02 | 2 | 2 | | Critical Applications | 03 | 3 | | Video | 04 | 3 | 4 | | Voice | 05 | 5 | | Internetwork Control | 06 | 4 | 6 | | Network Control (higher priority) | 07 | 7 |
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