Network architecture & design
Physical and logical topology, routing and switching design, addressing plan, VLAN and VRF structure, and resilience model.
Service 02
Network Design & Consultancy
Network architecture, segmentation and performance engineering: designed on paper, validated in test, documented for the people who run it.
Overview
Built for year six, not year one.
A network is the one part of the estate where a design shortcut taken in year one is still costing you in year six. We design for the traffic you will have, not the traffic you had.
Solvidian provides independent IT network consultancy across campus, data centre, branch and hybrid-cloud environments. We design topologies, define addressing and segmentation, size the links and specify the equipment, then document all of it to a standard your operations team can maintain.
Where a network already exists, we run design reviews and performance investigations: reading configurations, tracing traffic paths, and identifying the specific bottleneck, loop, misconfiguration or capacity ceiling behind the symptoms people are reporting.
Scope
What's included
Scope is agreed in writing before an engagement starts. These are the components we most often build it from.
Segmentation & zero-trust design
Zone and conduit models, east-west policy design, and micro-segmentation strategy for sensitive or regulated workloads.
Performance & capacity engineering
Traffic profiling, link sizing, QoS policy, buffer and latency analysis, and headroom modelling against forecast growth.
Wireless & campus design
Predictive coverage design, channel and power planning, roaming behaviour, and validation surveys against the design intent.
Hybrid-cloud connectivity
Site-to-cloud interconnect, SD-WAN overlay design, transit routing and DNS strategy across on-premises and cloud regions.
Design review & remediation
Independent review of an existing or proposed network, with prioritised findings and a remediation plan that can be staged.
Deliverables
What you receive.
Tangible artefacts you own outright, in editable formats, with no dependency on us to read or maintain them.
- High- and low-level design documents (HLD / LLD)
- Physical and logical topology diagrams
- IP addressing, VLAN and routing plan
- Segmentation policy matrix
- Bill of materials and sizing rationale
- Test plan, cutover runbook and rollback procedure
Approach
How we run it.
Four stages, with a decision point at the end of each. You can stop after any of them.
01
Baseline
Configuration collection, traffic capture and interviews with the people who operate the network day to day.
02
Analysis
Traffic paths traced, failure domains mapped, and constraints identified with evidence attached to each finding.
03
Design
Topology, addressing and policy designed against explicit requirements, then reviewed with your engineers line by line.
04
Validation
Test plan executed in lab or pilot, cutover runbook written, and knowledge transferred before handover.
What changes
What you should expect to be true afterwards.
If these are not true at handover, the engagement has not finished.
- A network documented well enough to hand to a new engineer
- Failure domains that are understood rather than discovered
- Capacity decisions grounded in measured traffic, not vendor defaults
- Segmentation that satisfies audit without breaking applications
Questions
Common questions
Yes. We design against requirements, not a preferred vendor list, and we routinely work within an estate that is already standardised on a particular manufacturer. Where a change is warranted we say so and show the cost of both options.
We provide the design, the test plan and the cutover runbook, and we can work alongside your engineers or your chosen integrator during implementation in an advisory and assurance capacity.
Related
Other service lines
IT Strategy & Consulting
Independent advice on where your technology should go next, plus a costed, sequenced plan for getting there.
Systems & Communications Software Design
Design of software that runs on and around computer systems and communication equipment: device interfaces, control planes and the platforms that manage them.
Cloud & Infrastructure Advisory
Cloud adoption planned properly: landing zone design, migration sequencing and a cost model that still holds twelve months in.
Next step
Bring us the symptom. We will help you name the problem.
A short scoping call costs nothing and usually saves a great deal of specification work later.
At a glance
What a first conversation covers
- What is actually happening, in your words
- Which discipline the problem belongs to
- Whether we are the right firm for it
- Rough shape, effort and sequence if we are
Free, no obligation. Reply within one business day.