Can I have a unique id for each update for a RIC across multiple subscriptions ?

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Mani.A
Mani.A Explorer
in EMA

All,

For resiliency, we need to have multiple applications running at the same time that use EMA API to subscribe for real time data updates for a same list of RICs. Is there a way to get a unique id for each update for a RIC across these multiple subscriptions/client applications ?

Client A gets an update for RIC with update id say abc1234, it writes the update to DB.

Client B gets the same update for RIC with the update id abc1234. It checks whether it is already in DB. If it is already there it just discards the update

Thanks in advance

Mani

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Best Answer

  • nick.zincone
    nick.zincone admin
    Answer ✓

    Hi @Mani.A

    You may be able to utilize some sort of identifier such as the sequence number. If you refer to the data dictionary or review the data model specs, this will provide you a list of fields based on which venue you plan to retrieve. You have to be aware that because the data is ultimately sourced from hundreds of different exchanges, not all may adhere to the same canonical format. However, the data feeds will attempt to normalize the data where they can.

    I would suggest you reach out to the helpdesk - they should be able to bring in a content specialist who can provide/confirm if a standard field can be used. I would also suggest you narrow down your requirement by stating where you plan to retrieve your data.

Answers

  • umer.nalla
    umer.nalla LSEG

    Hi @Mani.A

    Might be a bit of a long shot, but...

    If you are able to develop your application using EMA-CPP then you may be able to use the WarmStandby functionality - as described in the EMACPP_DevGuide.pdf section 7. This could remove the need to implement the resiliency at the application code level - depending on your exact requirements...




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