}
        return buffer;
    }

    /**
     * Get local memory key
     *
     * @return local key for RDMA operations
     */
    public int getLocalKey() {
        return localKey;
    }

    /**
     * Get remote memory key
     *
     * @return remote key for RDMA operations
     */
    public int getRemoteKey() {
        return remoteKey;
    }