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SNIA Developer Conference September 15-17, 2025 | Santa Clara, CA

SW Architect

VAST Data

I'm the protocols architect at VAST data for almost 8 years. I'm working on the wire protocols (NFS, SMB, S3), permission management, user management, multi tenancy, multi-protocol consideration and auditing. I also designed and implemented large portions of protocols code in VAST. Prior to VAST, I server as a storage architect in Velostrata (acquired by Google) for 2.5 years where I was involved in moving VMs to the public cloud and serving I/O over iSCSI. Prior to that, I spent 7 years in Kaminario as a storage developer. I was also involved in open-source projects: open-iscsi, Infiniband and SCST.

Related Sessions

File Systems & Protocols

Taming the Multi-Protocol Jungle: Unifying File and Object Access in Modern Data Workflows

Over the past 30+ years, I/O workflows have evolved and changed dramatically.  Data access via file protocols has morphed to Data access via object protocols. Permission granularity control requirements have grown from modebits to Access Control Lists to Identity Policies.  The sheer size of the datasets both in capacity and number of items has grown exponentially. Modern workflows, including those related to AI and Machine learning, involve access to data across multiple protocols with vastly different methods of permissioning and control. Building a bridge between file and object protocols in such a way to ensure the SAME access rights to SAME dataset regardless of protocol is challenging.  We believe that this can be solved by a protocol-agnostic approach where, internally, there are no NFS (or SMB) files, no S3 objects, no NTFS ACLs, and no NFS modebits. Instead, the permissioning model is flexible and provides consistent access for a user, regardless of protocol used, such that a user can create via NFS, analyze via SMB, and share via S3 without having to move, relocate, or re-permission data.

Erez Zilber
SW Architect
VAST Data
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