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| -rw-r--r-- | unit5/unit5.typ | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/unit5/unit5.typ b/unit5/unit5.typ index 8e4da4d..2e0613e 100644 --- a/unit5/unit5.typ +++ b/unit5/unit5.typ @@ -334,6 +334,25 @@ _Quality of service is the capability of a nerwork to prioritize business critic ) === Traffic shaping #figure(image("./assets/trash.png")) +- Limits the traffic rate at a network interface such as node or router port. +- Limits the rate of low priority traffic. +- Improves latency and increases available network bandwidth. +- Ensures required service levels are met for business-critical applications. +- Controls traffic rate per client, avoiding network congestion. +- Traffic shaping can be done by a node or interconnecting device. +- Allows administrator to set a limit on traffic rate on a network interface. +- During a traffic burst, traffic shaping retains excess packets in a queue and schedules excess packets for later transmission. === Link aggregation +- Combines two or more parallel network links into a single logical link. +- This link is called port-channel. +- It yields higher bandwidth than a single network link. +- Link aggregation enables distribution of traffic across the links in case of link failure. +- If a link is lost, all traffic of that link is redistributed across the remaining links. +- Can be performed between two switches or a switch and a node. === NIC Teaming +- Link aggregation technique that groups NICs so they appear as one logical NIC. +- Distributes traffic across NICs and provides traffic failover in the event of NIC or link failure. === Multipathing +- Can perform load balancing by distributing I/O across all active paths. +- Standby paths become active if one or more active paths fail. +- Multipathing process detects the failed path and then redirects I/Os of failed path to another active path. |