With its Solace PubSub+ appliances, Solace has embedded data movement logic and protocols into high-speed FPGAs and Network Processors to eliminate the latency and unpredictability associated with OS interrupts and context switching. Solace PubSub+ appliances are easy to deploy, manage and upgrade over time, and feature an admin framework that’s easy to integrate with existing management tools and security systems so you can secure your system and troubleshoot faults.


Solace PubSub+ 3530

The PubSub+ 3530 offers world-class messaging in a compact, easy to use form factor that meets the needs of mid-sized businesses, multiple departments and remote datacenters.

Solace PubSub+ 3560

The PubSub+ 3560 has the capacity and robustness to support even the most demanding enterprise messaging, big data, cloud computing and Internet of Things applications.

Expansion Cards
Slots 6 8
Field Serviceable Yes Yes
Control Plane Standard High Performance
I/O Card 4x1GE 8x1GE, 2x10GE, 8x10GE
Max Enterprise/JMS Connections 6,000 30,000
Max IoT/Web/REST Connections 6,000 200,000
Non-Persistent (Direct) Messaging
Max Point to Point Rate 4,700,000 msgs/sec 9,290,000 msgs/sec
Max Fan-out Rate 4,700,000 msgs/sec 28,400,000 msgs/sec
Average Latency 28µs at 1M msgs/sec 18µs at 1M msgs/sec
Persistent (Guaranteed) Messaging
Max Point to Point Rate 75,000 msgs/sec 645,000 msgs/sec
Max Fan-out Rate 450,000 msgs/sec 5,530,000 msgs/sec
Max Data Throughput 1 Gbps 9 Gbps
Max Queue 240M messages, 800GB 10B messages, 6TB
Average Latency 75µs at 30k msgs/sec 75µs at 140k msgs/sec

Common Capabilities and Features

Enterprise Messaging

  • Publish/Subscribe and Request/Reply
  • Reliable and guaranteed delivery
  • Transport over TCP and/or HTTP

Web Messaging

  • WebSocket, HTTP streaming and Comet long polling
  • APIs: JavaScript/HTML5, iOS, .NET, Flash and Silverlight

Open Protocols


High Availability

  • 99.999% availability for an appliance pair
  • Active-Active or Active-Standby redundancy
  • Chassis based system with discrete data and control planes
  • Integrated replication for disaster recovery


  • Per client authentication via Radius, LDAP, TLS Certificate, Kerberos, or Local
  • Publisher, subscriber and IP layer access control lists
  • TLS for client and inter-broker connections


  • Integrated routing protocols for WAN between data centers, with support for reliable and guaranteed messaging
  • Per topic, per subscriber rate control (eliding) for consumers who can’t consume messages at real-time rate
  • Streaming GZIP compression with clients and/or between appliances


  • Ability to virtualize application groups on the same PubSub+ appliance with complete message isolation.


  • API support for Java, C, .NET, Node.js
  • Java Messaging Service (JMS) with integrated JNDI
  • Full API interoperability
  • Structured data types

Monitoring & Management

  • Deep per-client and per-message statistics from layer 1 to layer 7
  • Syslog, SNMP and SEMP for logging and monitoring
  • SolAdmin GUI, Web Manager
  • Hands-off management with wake-on LAN


  • Integrated ITRS plug-in for full Solace monitoring
  • Last value caching with all request/ reply semantics built into the API.
  • TS Associates integration for latency monitoring

Hardware and Networking Specifications

Safety Approvals

  • IEC 60950-1 2nd Ed. (Including AM 1:2009 + AM 2:2013)
  • CSA 22.2 No. 60950-1-07 (Including Amendment 1 and 2)

EMC Approvals

  • FCC Part 15 Class A
  • EN61000-3-2/3
  • CISPR 22: Ed. 6.0 2008-09
  • EN55032: 2012/AC: 2013


  • Ethernet 1000BaseT
  • Ethernet 10G Base SR (3560 only)
  • Fibre Channel 8/4Gbps auto-negotiation
  • RS232


  • TCP/IP
  • Fibre Channel
  • Ethernet IEEE Std 803.2ab
  • Ethernet IEEE Std 802.3ae
  • Ethernet Link Aggregation IEEE Std 802.3ad