A firm replacing or supplementing its FIX connectivity is choosing between four models, not between a list of brands. It can build on an open-source or commercial FIX engine, subscribe to a managed FIX connectivity network, deploy a connectivity platform or gateway configured by its own engineers, or run a FIX fabric that generates and certifies counterparty rules with AI. The first three all solve connectivity one counterparty at a time; the fabric solves it once, as a rule set reused across every connection. This page maps the six vendors this section compares onto those four models and links to a sourced comparison of each against Quazar.
Every vendor statement here is taken from the vendor's own published pages, checked on 22 September 2026 and cited on the linked comparison page. No page in this section makes a claim about what any option costs relative to another.
What are the alternatives to a managed FIX connectivity network?
There are four, and they differ on who does the work, where the order flow goes and what the unit of billing is.
| Model | Who does the connectivity work | Where order flow passes | How a counterparty is added | Typical billing unit |
|---|---|---|---|---|
| FIX engine or SDK (open source or commercial) | Your developers, in your application code | Direct, from your application | Code, test and certify a new adapter | Licence or subscription per engine; free for open source |
| Managed FIX connectivity network | The network operator | Through the operator's network | Request the connection from the operator | Contracted with the operator; billing structure not published |
| Connectivity platform or gateway | Your engineers, in configuration and scripts | Direct, from your gateway | Author and deploy rules in the platform's DSL or config UI | Licensed software; structure and figures not published |
| FIX fabric (Quazar) | AI generates the rules; your team reviews, or Quod Financial operates | Direct, from your deployment; Quazar to Quazar between counterparties | Generate rules from the counterparty's specification, certify automatically | Free for the buy side up to 10 inbound connections; fixed price for the sell side |
How does Quazar compare with the established FIX vendors?
Quazar differs from each incumbent on one structural attribute: adding a counterparty is a rule change generated from that counterparty's specification, rather than a new adapter, a network request or a script. The table places each vendor in its model and links to the detailed, sourced comparison. Categories and deployment models are as the vendors describe them; the "AI" column records only what each vendor states on its own site.
| Vendor | Model | What it is | Deployment | AI stated by the vendor | Comparison |
|---|---|---|---|---|---|
| QuickFIX (C++, Java, .NET, Go) | Open-source engine | Free FIX engine libraries under a permissive licence; paid support from Connamara Systems | Embedded in your application, self-hosted | None found | Quazar vs QuickFIX |
| OnixS | Commercial engine SDK | FIX engine SDKs in C++, .NET and Java, venue-specific connectivity packs, FIX Analyser | Embedded in your application, on-premise or your cloud | None found | Quazar vs OnixS |
| B2BITS (EPAM) | Engine plus gateway | FIX Antenna engines; FIXEdge application server with rule-based routing and normalisation; FIXICC monitoring | On-premise, Docker, Kubernetes, AWS and Azure Marketplace | Agent Skills that help coding assistants generate FIXEdge configurations | Quazar vs B2BITS |
| Rapid Addition | Connectivity platform | RA Platform: RA FIX Engine, RA Hub middleware, RA Monitor, RA FastLane FPGA, adapters | On-premise, cloud or hybrid | None found | Quazar vs Rapid Addition |
| Broadridge (NYFIX, former Itiviti and Ullink) | Managed network plus engine line | NYFIX order routing network as a fully managed service; FIX engines, normalisation and certification services | Hosted network; engine line on-premise or fully or partially managed | AI-automated certification and onboarding | Quazar vs Broadridge NYFIX |
| ION (Fidessa FIX network, FIX Connect) | Managed network | Hosted, broker-neutral FIX network delivered with the Fidessa trading platform | Hosted by ION | None found on the FIX pages reviewed | Quazar vs ION Fidessa |
| Quazar (Quod Financial) | FIX fabric | Routing, transformation, session management and monitoring in one platform, built on a hardened QuickFIX engine, written in C++ | On-premise, cloud-hosted, or fully managed by Quod Financial | AI-native: rule generation, triage, certification; bring your own LLM; MCP | How Quazar works |
Two things the table does not say. First, none of these vendors publishes its pricing, so no comparison of cost is possible from public sources, and none is made here. Second, the models are not exclusive: Quazar is designed to run alongside an incumbent rather than replace it, because any engine, gateway or platform in the table is a FIX-capable system, and any FIX-capable system connects to Quazar as a standard FIX session.
Which criteria should a firm use when comparing FIX connectivity providers?
Six attributes decide most comparisons, and most of them can often be verified from vendor documentation before a single call.
- Dialect and version coverage. Which FIX versions are supported, and whether custom tags and counterparty conventions are handled by configuration or by code. Quazar covers FIX 4.x and 5.0 with cross-version conversion inside a single flow.
- How a counterparty is added. A new adapter, a network request, a script, or a generated rule set. This is the attribute that determines what connectivity costs in engineering time over the life of the platform.
- Order lifecycle integrity through translation. Whether parent-child relationships, algo parameters and execution IDs survive rewriting between dialects. Quazar preserves them end to end.
- Routing topologies. Pass-through, fan-out, funnel-in, many-to-many, drop-copy, and whether routes change without a restart.
- Operational visibility. Session health, latency, alerting, audit trail, and message-level tracing from inbound message to applied rules to outbound result.
- Billing structure and data residency. Per connection or per platform; through a third-party network or within your own environment. This page states billing as structure, never as amounts.
Total cost of ownership is deliberately absent. It depends on figures none of the vendors publishes, and a comparison built on estimates would be worth less than the six criteria above.
Questions firms ask when shortlisting FIX connectivity vendors
What is a managed FIX connectivity network?
A network operated by a third party through which buy-side and sell-side firms connect to each other. The operator hosts the connections and contracts directly with each firm; neither Broadridge nor ION publishes its pricing. Broadridge NYFIX and ION's Fidessa network are examples.
Which FIX vendors should a mid-sized asset manager shortlist?
One from each model that fits its constraints: an engine if it builds its own application, a managed network if it wants no infrastructure, a platform if it has engineers to configure it, and Quazar if it wants direct broker connections without per-connection fees.
Which vendors offer managed services and support?
Broadridge and ION operate hosted networks. B2BITS states 24/7 enterprise support and Connamara sells commercial QuickFIX support. Quazar is maintained by Quod Financial on every deployment and can be fully operated as a managed service.
What is the best replacement for a traditional FIX gateway?
A fabric, if the gateway's cost is in per-counterparty adapters. Quazar replaces the web of bridges with one platform where each counterparty is a generated rule set, and any existing gateway can connect to it as a FIX session.
How does Quazar connect to my existing systems?
Your OMS or any FIX-capable application connects to Quazar as a standard FIX session, with no front-end changes. Quazar applies your rules and forwards each message in the receiving system's dialect.
Does any of this compare prices?
No. None of the vendors publishes pricing, and this section states billing structure only. Quazar's own terms are on the pricing page: free for the buy side up to 10 inbound connections, fixed price for the sell side.