private String createUniqueId(InternalDistributedMember member) {
    String address = member.getInetAddress().getHostAddress();
    String alphanumericAddress = address.replaceAll("\\.|:", "");
    int port = member.getMembershipPort();
    return alphanumericAddress + port;
  }
Combines the ip address and port of a distributed member to create a unique identifier for the
member. As this string will be used in file names, the periods (ipv4) and colons (ipv6) are
stripped out.

@param member the member to create a unique id for
@return a String based on the ip address and host of the member
geode-core/src/main/java/org/apache/geode/internal/cache/snapshot/ParallelSnapshotFileMapper.java