Trading and information access
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This section is intended as an introduction to the different connectivity options for access to the London Stock Exchange markets.
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Each firm will have different requirements in terms of access to the London Stock Exchange’s markets. Some may develop bespoke trading and information applications and some make use of accredited software.
The Exchange has awarded 'Accredited' status to those Independent Software Vendors (ISVs) who have developed systems and conformed to the minimum requirements specified by the Exchange. These ISVs provide a valuable service to our clients who may not wish to develop interfaces to our feeds themselves.
To view our list of ISVs please visit the following link ISVs.
Connecting to the Exchange
The Exchange currently offers three types of connectivity with varying levels of management and performance. These range from a full host to host solution to a Vendor Access Network connection, these are described below.
Extranex
Customers with their own trading and information systems can connect directly to the Exchange via Extranex. Extranex provides customers of the Exchange with dedicated point to point connections for market data and trading. Extranex is fully supported by us and provides the highest reliability and lowest latency connectivity to the London Stock Exchange.
The London Stock Exchange Extranex connection provides a single point of access to support a wide number of trading and market data services. Extranex lines can be sized to suit the information and trading service requirements of the firm. The scalability of Extranex allows information services to be added as required.
For more information on ISVs providing accredited software solutions for host to host clients please click here.
Network Service Providers (NSP)
The Exchange has extended our network reach globally by partnering with accredited network partners. NSP’s act as carriers of Exchange information and trading services to our end clients, who contract with the NSP for provision of network connectivity and sign agreements directly with the Exchange for access to trading and information. Customers of NSP’s will have service enablements set up on our trading and information systems in exactly the same way as a direct Extranex customer. The data and trading feeds are in exactly the same format as those received by a direct Extranex customer and are subject to the same testing requirements.
End customers employing NSP connectivity will either deploy an accredited ISV solution or develop bespoke interfaces to our feeds.
For more information on accredited NSP’s click here
Vendor Access Network providers (VAN)
In order to extend the connectivity options available to our customers, the London Stock Exchange introduced the Vendor Access Network model under which market data vendors are accredited for the transmission of secured trading data across their proprietary networks. Vendor Access Network providers (VANs) provide network connectivity and pre-conformed application’s through which clients can interface with the Exchange.
This solution allows customers who do not have a need for a full Extranex solution to utilise an accredited provider’s network and applications for trading connectivity to the Exchange.
For more information on accredited VAN providers click here
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