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Techniques & Architecture
Redundancy network and haute disponibilité
Redundancy HA : 99.99%-99.999%, hardware, LACP/MC-LAG, HSRP/VRRP, BGP multi-homing, géo-redundancy.
April 15, 2026
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Guides, comparisons and news for networking professionals.
Redundancy HA : 99.99%-99.999%, hardware, LACP/MC-LAG, HSRP/VRRP, BGP multi-homing, géo-redundancy.
April 15, 2026
DC spine-leaf vs 3-tier : scale, latence, résilience, sizing, super-spine, disaggregation SONiC.
April 15, 2026
Architecture ZTNA : principes Zero Trust, vs VPN, SDP vs agent, déploiement phasé, Zscaler/Prisma/Cloudflare.
April 15, 2026
Architecture MPLS WAN : L3VPN with VRF/RD/RT, L2VPN/VPLS, Segment Routing, Traffic Engineering, FRR.
April 15, 2026
QoS entreprise : DiffServ DSCP, clasits voix/vidéo/ERP, LLQ, CBWFQ, WRED, WiFi WMM, SD-WAN app-aware.
April 15, 2026
Design OSPF entreprise : areas, LSAs, stub/NSSA, route summarization, BFD, authentification, troubleshooting.
April 15, 2026
Configuration BGP entreprise : eBGP/iBGP, path attributes, communities, BFD, RR, multi-homing, Cisco/Juniper.
April 15, 2026
Design fabric EVPN-VXLAN spine-leaf : eBGP/iBGP underlay, symmetric IRB, multi-homing ESI, multi-site.
April 15, 2026
Déploiement VXLAN : underlay L3, BGP EVPN, ingress replication vs multicast, configuration Cisco/Juniper, troubleshooting.
April 15, 2026
Concevoir SD-WAN : 8 étapes de l'inventaire au rollout. Topologies hub-spoke/full-mesh/hybrid, sizing, vendors.
April 15, 2026
Architecture campus 3-couches (access/distribution/core) : rôles, collapsed-core, SD-Access, EVPN-VXLAN campus, sizing.
April 15, 2026
Juniper Apstra : intent-based automation fabric EVPN-VXLAN multi-vendor (Cisco/Arista/SONiC).
April 15, 2026